08:00am-09:30am

ETC Registration

Bldg. 8130 / Entrance Hall

09:30am-10:15am

Opening Ceremony

Bldg. 8130 / Rm. 030

10:15am-11:15am

ETC2025-IL01

The wise experimental input received from Professor Claus Sieverding to help the validation of CFD predictions in the field of turbine

Prof. Tony Arts - Honorary Professor — von Karman Institute for Fluid Dunamics

Bldg. 8130 / Rm. 030

11:30am-1:00pm

A-01:
Axial Turbines - Numerical Simulations (I)

Chair: Thomas Polklas — MAN Energy Solutions SE, Germany

Bldg. 8130 / Rm. 030

B-01:
Fans

Chair: Roque Corral — Universidad Politecnica de Madrid, Spain

Bldg. 8130 / Rm. 031

C-01:
Hydraulic Turbines (I)

Chair: Antoine Dazin — ENSAM, France

Bldg. 8132 / Rm. 131

D-01:
Aero-acoustics, noise generation and reduction

Chair: Jérôme Boudet — Ecole Centrale de Lyon, France

Bldg. 8132 / Rm. 002

11:30am - 12:00pm

ETC2025-229

Effects of streamwise oriented riblets on a LPT blade: a numerical study

Sebastian Schulze, Federico Lo Presti, Wojciech Sadowski, Francesca Di Mare

Ruhr University Bochum, Germany

ETC2025-123

Goals and Strategies for Open Fan Design

Carola Rovira Sala^1,2, Thomas Dygutsch¹, Christian Frey¹, Rainer Schnell¹, Raul Martinez Luque³

1: German Aerospace Center (DLR), Germany; 2: Universidad Politécnica de Madrid, Spain; 3: Safran Aircraft Engines, France

ETC2025-241

Influence of the sediment transportation on the performance of a Pelton nozzle: a novel Eulerian approach for a CFD-based comparison

Francesco Nascimben¹, Giacomo Zanetti^1,2, Giovanna Cavazzini¹

1: University of Padova, Italy; 2: 45 Engineering S.R.L., Italy

ETC2025-126

Computational and analytical modelling of vortex shedding from a low-speed axial flow rotor blade profile from the perspectives of noise generation and blade vibration

Gábor Daku, Bence Békési, János Vad

Budapest University of Technology and Economics, Faculty of Mechanical Engineering, Department of Fluid Mechanics, Hungary

12:00pm - 12:30pm

ETC2025-188

Time, Space and Dynamic Split of Loss Sources in LPT by Means of Phase-locked Proper Orthogonal Decomposition

Matteo Russo¹, Matteo Dellacasagrande¹, Francesca Satta¹, Davide Lengani¹, Daniele Simoni¹, Juri Bellucci², Matteo Giovannini², Angelo Alberto Granata², Monica Gily³

1: University of Genoa, Genova, Italy; 2: Morfo Design SRL, Sesto Fiorentino, Italy; 3: Avio Aero, Torino, Italy

ETC2025-206

Experimental Studies of Shock Wave Boundary Layer Interaction on suction side of fan representative profile

Ahmed H. Hanfy, Pawel Flaszyński, Piotr Doerffer, Piotr Kaczyński

Institute of Fluid-Flow Machinery, Polish Academy of Sciences (IMP PAN), Poland

ETC2025-201

In-Pipe Micro-Cycloidal Water Turbine for Energy Harvesting

Giorgio Pavesi¹, Tingyun Yin²

1: University of Padova, Italy; 2: University of Cagliari, Italy

ETC2025-185

Numerical investigation of the vortex shedding phenomenon from a circular-arc-cambered plate profile relevant to low-speed axial flow rotor blades

Kinga Andrea Kovács¹, Gábor Daku¹, Esztella Balla¹, Gábor Janiga², János Vad¹

1: Budapest University of Technology and Economics, Faculty of Mechanical Engineering, Department of Fluid Mechanics, Hungary; 2: Otto von Guericke University Magdeburg, Faculty of Process and Systems Engineering, Institute of Fluid Dynamics and Thermodynamics, Germany

12:30pm - 1:00pm

ETC2025-101

Scale-Resolved Modeling of Gas Turbine Vanes: A Wall-Modeled LES and Immersed Boundary Approach

Francesco De Vanna, Ernesto Benini

University of Padova, Italy

ETC2025-298

Aerodynamics of a Short Intake at High Incidence

Fernando Tejero¹, David MacManus¹, Josep Hueso Rebassa¹, Yuri Frey Marioni², Ian Bousfield²

1: Cranfield University; 2: Rolls-Royce plc

ETC2025-351

Optimization and Experimental Validation of Savonius Turbines with Integrated Deflector for Enhanced Low-Speed Hydropower Efficiency

Emeel Botrous Shafik Kerikous, Péter Kováts, Stefan Hoerner, Dominique Thévenin

OVGU, Germany

ETC2025-227

Effects of solidity on the acoustic and aerodynamic characteristics of a low-speed axial fan

Tayyab Akhtar, Edward Canepa, Andrea Cattanei, Matteo Dellacasagrande, Alessandro Nilberto

University of Genoa, Italy

1:00pm-2:30pm

Lunch

Bldg. 8140 / Assembly Hall

2:30pm-4:00pm

A-02:
Axial Turbines - Numerical Simulations (II)

Chair: Francesco Montomoli — Imperial College of London, United Kingdom

Bldg. 8130 / Rm. 030

B-02:
Axial compressor - Numerical Simulations

Chair: Michel Dumas — Safran Aircraft Engines, France

Bldg. 8130 / Rm. 031

C-02:
Hydraulic Pumps (I)

Chair: Frank-Hendrik Wurm — Universität Rostock, Germany

Bldg. 8132 / Rm. 131

D-02:
Design and Optimisation methods

Chair: Nicolas Binder — ISAE-SUPAERO, France

Bldg. 8132 / Rm. 002

2:30pm - 3:00pm

ETC2025-193

Study on Aerodynamic Loss of HP Turbine Blade Coolant Ejection

Shota Moriguchi, Hiroki Sato, Masaaki Hamabe

IHI, Japan

ETC2025-159

Body Force Modelling of a Multi-Stage High-Pressure Compressor under Inlet Distortion

Chiara Crea¹, Julien Marty², Raphaël Barrier², Sébastien Cochon¹, Guillaume Dufour³

1: Safran Aircraft Engines, 77550 Moissy Cramayel, France; 2: DAAA, ONERA, Institut Polytechnique de Paris, 92190 Meudon, France; 3: ISAE-SUPAERO, Université de Toulouse, 31055 Toulouse, France

ETC2025-103

Problems related to the energy transfer in co-rotating radial disc pumps.

Gérard Bois, Meng FAN

ENSAM-Arts et Métiers Institute of Technology, France

ETC2025-331

Optimization of a Volute downstream of a Vaned Radial Compressor

Nicolas Lachenmaier, Tobias Maennle, Friedrich Fröhlig

Rolls-Royce Solutions GmbH, Germany

3:00pm - 3:30pm

ETC2025-213

Experimental and numerical investigation of suction side fences for turbine NGVs

Virginia Bologna¹, Daniele Petronio¹, Francesca Satta¹, Luca De Vincentiis², Matteo Giovannini², Gabriele Cattoli^1,2, Monica Gily³, Andrea Notaristefano³

1: University of Genova, Genova, Italy; 2: Morfo Design, Sesto Fiorentino, Firenze, Italy; 3: Avio Aero, Torino, Italy

ETC2025-192

Estimation of intra-scale transfer rates within a compressor flowfield using high-fidelity data

Pawel Jan Przytarski, Matteo Dellacasagrande, Davide Lengani

University of Genova, Italy

ETC2025-306

Design and Numerical Analysis of a Four Stage Centrifugal Pump For the Fuel System of a Hydrogen Fueled Turbofan Engine

Narmin Hushmandi¹, Donato Palermo², Magnus Genrup¹, Anders Lundbladh²

1: Lund university, Sweden; 2: GKN Aerospace, Sweden

ETC2025-339

A multi-point preliminary design method for centrifugal compressor stages of fuel cell-based propulsion systems

Alessandro Cappiello¹, Viviane Ciais², Matteo Pini¹

1: Delft University of Technology, The Netherlands; 2: Liebherr-Aerospace Toulouse SAS

3:30pm - 4:00pm

ETC2025-309

High-fidelity sliding mesh method for moving geometries in turbomachinery applications

Junjie Ye¹, Guglielmo Vivarelli¹, João Isler¹, David Moxey², Spencer Sherwin¹, Chris Cantwell¹

1: Department of Aeronautics, Imperial College London, South Kensington Campus, London, SW7 2AZ, United Kingdom; 2: Department of Engineering, King’s College London, Strand Campus, London, WC2R 2LS, United Kingdom

ETC2025-198

Application of a novel pseudo-spectral time-marching method to turbomachinery

Jesus Matesanz-Garcia, Roque Corral

Universidad Politécnica de Madrid, Spain

ETC2025-104

Minimizing gas accumulation in two-phase flow within a diverging horizontal channel using cross-flow millimeter-size steps

Michael Mansour^1,2, Nicola Zanini³, Mena Shenouda², Michele Pinelli³, Alessio Suman³, Dominique Thévenin²

1: Mechanical Power Engineering Department, Faculty of Engineering—Mataria, Helwan University, Cairo 11718, Egypt; 2: Laboratory of Fluid Dynamics & Technical Flows, University of Magdeburg “Otto Von Guericke”, 39106 Magdeburg, Germany; 3: University of Ferrara - Department of Engineering, Via Saragat 1, 44122, Ferrara, Italy

ETC2025-211

Pushing the Limits: Enhancing Turbomachinery Efficiency by Riblet Application

Konrad Hartung¹, Udo Löschner², Stefan Mauersberger², Karsten Oehlert¹

1: Jade University of Applied Sciences, Germany; 2: University of Applied Sciences Mittweida, Germany

4:00pm-4:30pm

Coffee break

Bldg. 8140 / Assembly Hall

4:30pm-6:00pm

A-03:
Axial Turbines - Design, Analysis and performance

Chair: Tony Arts — von Karman Institute, Belgium

Bldg. 8130 / Rm. 030

B-03:
Axial compressor - Unsteady flows and interactions (I)

Chair: Monica Veglio — Cenaero, Belgium

Bldg. 8130 / Rm. 031

C-03:
Hydraulic pumps (II)

Chair: Giorgio Pavesi — University of Padova, Italy

Bldg. 8132 / Rm. 131

D-03:
Electric and Hybryd propulsion

Chair: Erik Janke — Rolls-Royce Deutschland Ltd. & Co. KG, Germany

Bldg. 8132 / Rm. 002

4:30pm - 5:00pm

ETC2025-214

Aerodynamic scaling of a high-speed low-pressure turbine cascade, optimized for boundary layer similarity in a low-speed test rig

Giacomo Pastorino^1,2, Elissavet Boufidi¹, Koen Hillewaert², Fabrizio Fontaneto¹

1: von Karman Institute for Fluid Dynamics, Belgium; 2: Université de Liège, Faculté des Sciences appliquées, Belgium

ETC2025-137

Variation of tip clearance and incidence to induce rotating instabilities in a linear compressor cascade

Christoph Jasmund, Martin Lange, Ronald Mailach

Technische Universität Dresden, Germany

ETC2025-136

Numerical Pump Head Curve Stability Prediction

Laurent Chatagny¹, Daniele Cimmino¹, Tobias Röseler², Stefan Berten¹

1: Sulzer Management Ltd, Switzerland; 2: Sulzer Pumpen (Deutschland) GmbH

ETC2025-224

Performance analysis of a fuel cell propulsion system with micro gas turbine under realistic environmental conditions

Sebastian Lück, Maximilian Bień, Patrick Meyer, Jan Göing, Jens Friedrichs

Technische Universität Braunschweig, Germany

5:00pm - 5:30pm

ETC2025-225

Experimental Measurements of Ingress in a Turbine Stator-Rotor Cavity

Lorenzo Orsini¹, Alessio Picchi¹, Bruno Facchini¹, Dario Barsi²

1: University of Florence; 2: University of Genova

ETC2025-143

Experimental investigation by Particle Image Velocimetry of the active flow control of the stall inception of an axial compressor

Olha Alekseik², Pierric Joseph¹, Olivier Roussette¹, Antoine Dazin¹

1: Arts et Métiers; 2: AMVALOR

ETC2025-295

Numerical simulations of pump/intake interactions under non-uniform incoming streamtubes for Outboard Dynamic-inlet Waterjets

Filippo Avanzi, Francesco De Vanna, Andrea Magrini, Ernesto Benini

Department of Industrial Engineering, Università degli Studi di Padova, Italy

ETC2025-132

Coupled design of fuel cell-powered aircraft, propulsion system, and turbo components

Philipp Nachtigal¹, Christoph Küstner¹, Marcel Stöwer¹, Stanislav Karpuk², Sebastian Lück³, Göing Jan³, Dajan Mimic¹

1: Leibniz University Hannover, Institute of Turbomachinery and Fluid Dynamics, Germany; 2: Technical University Braunschweig, Institute of Aircraft Design and Lightweight Structures, Germany; 3: Technical University Braunschweig, Institute of Jet Propulsion and Turbomachinery, Germany

5:30pm - 6:00pm

ETC2025-271

Thermodynamic Design of an Aeroengine for Sustainable Aviation Fuels with a Focus on 3D Components Conception: High Pressure Turbine

Jan Donndorf, Federico Lo Presti, Francesca di Mare

Ruhr-University Bochum, Germany

ETC2025-174

The Effect of a Variable Cantilevered Stator on 1.5-stage Transonic Compressor Performance

Benedikt Radermacher¹, Fabian Klausmann¹, Felix Jung¹, Jonas Bargon¹, Heinz-Peter Schiffer¹, Bernd Becker², Patrick Grothe²

1: TU Darmstadt, Germany; 2: Rolls-Royce Deutschland

ETC2025-230

Influence of design-condition and gap width on secondary flows in pumps – Focused on side chamber and exchange flows

Mario Hahne, Benjamin Torner, Frank-Hendrik Wurm

University of Rostock, Germany

6:00pm-8:00pm

Welcome reception

Bldg. 8131 / Dining Hall

7:30am - 8:15am

EVI-GTI Registration

Bldg. 8130 / Entrance Hall

7:30am -8:15am

EVI-GTI Registration

Bldg. 8130 / Entrance Hall

8:30am - 9:30am

ETC2025-IL02

Challenges in delivering sustainable aviation: Propulsion perspective

Prof. Marko Bacic - Professor of Engineering Science at University of Oxford and Engineering Fellow in Control Systems and Gas Turbine Functionality at Rolls-Royce

Bldg. 8130 / Rm. 030

9:30am - 10:00am

Coffee break

Bldg. 8140 / Assembly Hall

10:00am - 12:30pm

A-04:
Heat Transfer (I)

Chair: Giovanna Barigozzi — Università di Bergamo, Italy

Bldg. 8130 / Rm. 030

B-04:
Axial Compressor - Unsteady flows and interaction (II)

Chair: Fabrizio Fontaneto — VKI, Belgium

Bldg. 8130 / Rm. 031

C-04:
Wind turbines

Chair: Pawel Flaszyński — IMP PAN, Poland

Bldg. 8132 / Rm. 131

10:00am -10:15am

Conference Chair Welcome

Welcome to Hannover

Ralf Obertacke — President EVI-GTI

10:50am -10:30am

Elevator Pitches: 5 x 3 Minutes
Company and Product Presentations

Ralf Obertacke — Siemens Energy Global GmbH & Co. KG, Germany

10:00am - 10:30am

ETC2025-164

An experimental and numerical investigation into compressor casing heat shield effectiveness

Andrew Pilkington¹, Vinod Gopalkrishna², Chris Barnes², Leo Lewis¹, Marko Bacic^1,2

1: University of Oxford, United Kingdom; 2: Rolls-Royce Plc, United Kingdom

ETC2025-304

How inlet flow inhomogeneities can affect the transition to stall in an axial compressor?

Francesco Romanò¹, Clemence Rannou^1,2, Alberto Baretter¹, Julien Marty², Pierric Joseph¹, Antoine Dazin¹

1: Université de Lille, CNRS, ONERA, Arts et Métiers Institute of Technology, Lille, France;
2: ONERA, Université Paris-Saclay, Meudon, France

ETC2025-280

CFD analysis of an optimized tilted H-shaped VAWT at three different scales

Otman Kouaissah¹, Nicoletta Franchina¹, Muhammad Salman Siddiqui², Haris Hameed Mian², Giacomo Persico³

1: University of Bergamo, Italy; 2: Norwegian University of Life Sciences, Norway; 3: Politecnico di Milano, Italy

D-04 (EVI-GTI):
Aerodynamic and Vibration Measurements

Chair: Hanspeter Zinn — GE Vernova Power, Switzerland

Bldg. 8132 / Rm. 002

10:30am - 11:00am

ETC2025-226

Development of a reduced order model for turbine blade cooling design

Andrea Pinardi, Noraiz Mushtaq, Paolo Gaetani

Politecnico di Milano, Italy

ETC2025-231

A comparative study of varying incidence angle effects on a low-Reynolds-number compressor cascade based on experiments, low-fidelity and high-fidelity numerical simulations

Michael Bergmann, Christian Morsbach, Felix M. Möller, Alexander Hergt, Georgios Goinis, Björn Klose

German Aerospace Center (DLR), Germany

ETC2025-305

Assessment of numerical methods for ducted wind turbines

Rodolfo Bontempo, Marcello Manna

Università degli Studi di Napoli Federico II, Italy

1041

E25-01 Turbocharged Innovation: Exploring Advanced Aerodynamic Measurement in Turbomachinery

Katharina Kreitz

Vectoflow GmbH, Germany

11:00am - 11:30am

ETC2025-346

Topology Optimization for Internal Cooling of Gas Turbine Guide Vanes - A Conjugate Heat Transfer Study

Hossein Nadali Najafabadi¹, Sadegh Fatahi¹, Jonas Lundgren², Carl-Johan Thore¹

1: Linköping University, Sweden; 2: SAAB

ETC2025-319

Liquid droplet breakup mechanisms during the aero-engine washing process

Alessio Suman¹, Andrea Cordone¹, Nicola Zanini¹, Mattia Piovan¹, Michele Pinelli¹, Max Koster², Stefan Kuntzagk², Henrik Weiler², Christian Werner-Spatz²

1: University of Ferrara, Italy; 2: Lufthansa Technik AG, Hamburg

ETC2025-178

Parameter Study of Dynamic Stall under High Reynolds Numbers

Hye Rim Kim, Daniel Schwarzer, Lars Wein

Leibniz University Hannover, Germany

10135

E25-39 We make a Turbine speak and this physics based with hybrid modelling

Jagannath Marathi

Bosch Digital Twin Industries, Germany

11:30am - 12:00pm

ETC2025-293

Fluid Topology Optimization of Film Cooling: a Design Exploration

Francesco Montomoli^1,2, Thomas Rees², Stefano Furino², Ruben Tomlin²

1: Imperial College of London, United Kingdom; 2: ToffeeX, United Kingdom

ETC2025-274

High Fidelity Turbomachinery CFD Simulations Using General-Purpose GPU

Qingyuan Zhuang

Siemens, Netherlands

ETC2025-194

Sinusoidal Leading Edge for Passive Flow Control in VAWTs

Lorenzo Tieghi, Giovanni Delibra, Giulia Gaeta, Alessandro Corsini

Sapienza University of Rome, Italy

1043

E25-28 Source localisation measurements with microphone arrays on turbofan and open rotor engines

Henri Siller

German Aerospace Center (DLR), Institute of Propulsion Technology, Germany

12:00pm - 12:30pm

ETC2025-252

Aerodynamic design of wind turbine blades using multi-fidelity analysis and surrogate models

Rosalba Cardamone¹, Riccardo Broglia², Alessandro Bianchini³, Francesco Papi³, Franco Rispoli¹, Alessandro Corsini¹, Alessio Castorrini¹

1: Sapienza University of Rome, Italy; 2: CNR-INM Institute of Marine Engineering, Italy; 3: University of Florence, Italy

1044

E25-20 Visualization system for the contact behavior in turbine shrouds during operation

Stefan von Hößlin

MTU Aero Engines AG, Germany

12:30pm - 2:00pm

Lunch

Bldg. 8140 / Assembly Hall

12:35pm - 1:55pm

Turbomachinery Lab Lunch Break Tours

Tour A: 12:35am -1:00pm
Tour B: 1:30pm -1:55pm

Bldg. 8130 / foyer

2:00pm - 4:00pm

A-05:
Axial Turbines - Numerical Simulation (III)

Chair: Guillermo Paniagua — Purdue University, United States of America

Bldg. 8130 / Rm. 030

B-05:
Sponsors presentations

Bldg. 8130 / Rm. 031

C-05:
Hydraulic pumps and marine propeller

Chair: Friedrich Benra — Universität Duisburg-Essen, Germany

Bldg. 8132 / Rm. 131

D-05 (EVI-GTI):
Temperature and combustion measurement

Chair: Bjorn Karlsson — Siemens-Energy AB, Sweden

Bldg. 8132 / Rm. 002

2:00pm - 2:30pm

ETC2025-321

Influence of Radial Pressure Gradient on Secondary Flows: Numerical Study and Design Optimization for High-Speed Annular Sector Cascades

Moritz Klappenberger¹, Christian Landfester², Robert Krewinkel³, Martin Böhle¹

1: University of Kaiserslautern and Landau, Germany; 2: German Aerospace Center (DLR), Institute of Future Fules, Cologne; 3: Graz University of Technology, Institute of Thermal Turbomachinery and Machine Dynamics

ETC2025-111

Application of Potential Theory for the Design of Radial Guide Vanes of Impeller Pumps

Martin Böhle¹, Tim Schwarz¹, Andreas Baum²

1: Rheinland-Pfälzische Technische University, Germany; 2: KSB SE & Co. KGaA

1051

E25-34 Total Temperature Measurement with High Density FBG Sensor Array

Andreas Zeisberger , Andrea Stadler, Johannes Roths

Photonics Laboratory, Munich University of Applied Sciences, Germany MTU Aero Engines AG, Germany

2:30pm - 3:00pm

ETC2025-272

All Mach flows density-based / pressure-based coupling: method and preliminary results on the example of a rim seal flow in a one-stage axial turbine

Federico Lo Presti, Francesca di Mare

Ruhr University Bochum, Germany

ETC2025-124

The influence of leading edge tubercle on the transient pressure fluctuations at the propeller blades as well in the wake and the resulting hydro acoustic noise emissions of a hubless propeller

Max Hieke, Matthias Witte, Frank-Hendrik Wurm

University of Rostock, Germany

1052

E25-16 IR Camera Measurements During Engine Delivery Tests of an SGT-750 Gas Turbine Engine

Andreas Lantz

Siemens Energy AB, Sweden

3:00pm - 3:30pm

ETC2025-292

Assessment of Large-Eddy Simulations to simulate a high-speed low-pressure turbine cascade

Florent Duchaine, Xavier Delon

CERFACS, France

ETC2025-287

Experimental Investigation of the Influence of the Axial Gap Width in the Back Shroud Cavity on the Clogging Behavior of a Wastewater Pump

Tobias Rinnert, Paul Uwe Thamsen

Technische Universität Berlin, Germany

1053

E25-19 UCTS: Technical Update 2025

Anastasia Thomas

LGTechLink, US

3:30pm - 4:00pm

ETC2025-121

Hybrid RANS-LES Simulation of the MTU-T161 LPT Profile - Forcing LES in the Endwall Boundary Layer by Grid Refinement

Jakob Voigt¹, Felix M. Möller², Patrick Bechlars³, Lars Wein¹

1: Leibniz University Hannover, Institute of Turbomachinery and Fluid Dynamics; 2: German Aerospace Center (DLR); 3: MTU Aero Engines

1054

E25-10 Data Acquisition and Process Control in Optically Accessible Combustion Test Rig for Next-Generation Fuels

Otto Gansner

PI Electronics AG, Switzerland

4:00pm - 4:30pm

Coffee break

Bldg. 8140 / Assembly Hall

4:30pm - 6:00pm

A-06:
Combustor-Turbine Interaction

Chair: Franz Heitmeir — Graz University of Technology, Austria

Bldg. 8130 / Rm. 030

B-06:
MTU Visit

Headquarter Company VisitAn exclusive opportunity to visit MTU Aero Engines, a global leader in aircraft engine technology
All info

C-06

Bldg. 8132 / Rm. 131

D-06 (EVI-GTI):
Novel Rigs and Methods I

Chair: Ralf Obertacke — Siemens Energy Global GmbH & Co, Germany

Bldg. 8132 / Rm. 002

4:30pm - 5:00pm

ETC2025-175

Numerical performance analysis of a turbine operated by a rotating detonation combustor

Majid Asli¹, Mosaab Mhgoub², Klaus Höschler¹

1: Brandenburg University of Technology; 2: Technical University of Berlin

1061

E25-32 Virtual Sensing for Rocket Engine Turbines

Sarah Kramer¹, Louis Souverein², Stefan Schlechtriem³

1: ArianeGroup GmbH, Munich, Germany; 2: Institute of Space Systems, University of Stuttgart, Germany; 3: Institute of Space Propulsion, German Aerospace Center (DLR), Lampoldshausen, Germany

5:00pm - 5:30pm

ETC2025-335

Precise Prediction of Supersonic Passage Starting Process via Fast 1D Modeling

Kevin Boes, Lukas Inhestern, Guillermo Paniagua

Purdue University, United States of America

1062

E25-29 Aerothermodynamic turbine tests at DLR

Frank Kocian

DLR, Germany

5:30pm - 6:00pm

ETC2025-154

Evaluation of RANS and URANS approaches for the prediction of hot streak migration in a high-pressure turbine stage

Christopher Wingel¹, Nicolas Binder¹, Yannick Bousquet¹, Jean-François Boussuge², Nicolas Buffaz³, Sébastien Le Guyader³

1: Institut Supérieur de l'Aéronautique et de l'Espace (ISAE-SUPAERO), France; 2: Centre Européen de Recherche et de Formation Avancée en Calcul Scientifique (CERFACS), France; 3: Safran Helicopter Engines, France

1063

E25-30 Experimental Validation of Hydrogen Burners at realistic Aero Engine Conditions

Bertram Janus

DLR, Germany

6:00pm - 10:00pm

Conference Night Session at Exhibition Area

Bldg. 8140 / Assembly Hall

6:30pm - 8:00pm

Euroturbo General Assembly

Bldg. 8140 / Rm. 117

8:30pm - 10:30pm

Euroturbo Committee Dinner

Restaurant Pier 51 at Lake Maschsee

8:30am - 9:30am

ETC2025-IL03

Advancing spectral/hp element high fidelity simulations: What is required to make them suitable for industrial application?

Prof. Spencer Sherwin - Head of Department and Professor of Computational Fluid Mechanics in the Department of Aeronautics at Imperial College London

Bldg. 8130 / Rm. 030

9:30am - 10:00am

Coffee break

Bldg. 8140 / Assembly Hall

10:00am - 12:30pm

A-07:
Heat Transfer (II)

Chair: Sergio Lavagnoli — von Karman Institute for Fluid Dynamics, Belgium

Bldg. 8130 / Rm. 030

B-07:
Workshop: Open Test Case Fan ECL5 – CATANA

Chair: Xavier Ottavy — LMFA / CNRS / Centrale Lyon, France

Bldg. 8130 / Rm. 031

C-07
Guided Tour Laboratory

Guided Tour at Turbomachinery Laboratory
www.tfd.uni-hannover.de
Guided Tour at Laboratory for Dynamics and Vibration Research
www.ids.uni-hannover.de
Guided Tours at Laboratory for Technical Combustion Research
www.itv.uni-hannover.de

Bldg. 8130 / foyer

D-07 (EVI-GTI):
Fast Dynamic Pressure Measurement

Chair: Bjorn Karlsson — Siemens-Energy AB, Sweden

Bldg. 8132 / Rm. 002

10:00am - 10:30am

10:00am - 10:30am

ETC2025-106

On the impact of Off-Design Condition on the Thermal Performance of Rotor Platform Cooling

Giovanna Barigozzi, Giovanni Brumana, Nicoletta Franchina, Elisa Ghirardi

Università di Bergamo, Italy

10:00am - 10:30am

10137

Introduction and presentation of the test case

Xavier Ottavy², Christoph Brandstetter¹

1: Ecole Centrale de Lyon, CNRS, Universite Claude Bernard Lyon 1, INSA Lyon, LMFA, UMR5509, F-69134 Ecully, France; 2: CNRS, Ecole Centrale de Lyon, INSA Lyon, Universite Claude Bernard Lyon 1, LMFA, UMR5509, F-69134 Ecully, France

10:00am - 10:30am

1071

E25-11 Applications and development update - optical pressure and temperature instrumentation

Ian Macafee

WIKA Optical Sensing Ltd, United Kingdom

10:30am - 11:00am

10:30am - 11:00am

ETC2025-107

On the impact of Reynolds number on the performance of a trenched shaped hole

Giovanna Barigozzi¹, Ali Zamiri², Giovanni Brumana¹, Nicoletta Franchina¹, Jin Taek Chung²

1: Università di Bergamo, Italy; 2: Korea University, Republic of Korea

10:30am - 11:00am

ETC2025-176

ECL5/CATANA: Comparative Analysis of Advanced Blade Vibration Measurement Techniques

Christoph Brandstetter¹, Alexandra Schneider¹, Anne-Lise Fiquet¹, Benoit Paoletti², Kévin Billon³, Xavier Ottavy²

1: Ecole Centrale de Lyon, CNRS, Universite Claude Bernard Lyon 1, INSA Lyon, LMFA, UMR5509, F-69134 Ecully, France; 2: CNRS, Ecole Centrale de Lyon, INSA Lyon, Universite Claude Bernard Lyon 1, LMFA, UMR5509, F-69134 Ecully, France; 3: Univ. Lyon, Ecole Centrale de Lyon, LTDS UMR 5513, F-69134 Ecully, France

10:30am - 11:00am

1072

E25-09 Packaging and Integration Concept for Surface Pressure Measurement on Airfoils

Jürgen Gründmayer

MTU Aero Engines AG, Germany

11:00am - 11:30am

11:00am - 11:30am

ETC2025-318

Impact of turbine inlet temperature distortion on rotor blade heat transfer using infrared thermography and Computational Methods

Manuela Sisti¹, Richard S. Adoua², Chiara Falsetti³, Haidong Li², Paul F. Beard¹

1: University of Oxford, United Kingdom; 2: Rolls-Royce; 3: Delft University of Technology

11:00am - 11:30am

ETC2025-190

ECL5/CATANA: Transition from Non-Synchronous Vibration to Rotating Stall at transonic speed

Alexandra Patrizia Schneider, Anne-Lise Fiquet, Nathalie Grosjean, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter

Ecole Centrale de Lyon, CNRS, Universite Claude Bernard Lyon 1, INSA Lyon, LMFA, UMR5509, 69130, Ecully, France

11:00am - 11:30am

1073

E25-21 AI-based Condition Monitoring of Gas Turbine Combustors Using High-Resolution Dynamic Pressure Sensor Data

Daniel Hümmer, Jakob Hermann

IfTA Ingenieurbüro für Thermoakustik GmbH, Germany

11:30am - 12:00pm

11:30am - 12:00pm

ETC2025-119

Experimental Investigation of high pressure shroud components with disruptive cooling structures manufactured by SLM

Bernhard V. Weigel¹, Robert Krewinkel², Gunter Eschmann¹, Stefan Odenbach¹, Wieland Uffrecht¹

1: TU Dresden, Germany; 2: MAN Energy Solutions SE, TU Graz Austria

11:30am - 12:00pm

ETC2025-162

Some experiences about the RANS modeling of UHBR fan: the case of ECL5/CATANA

Lorenzo Pinelli, Maria Malcaus, Giovanni Giannini, Michele Marconcini

Department of Industrial Engineering, University of Florence, Italy

11:30am - 12:00pm

1074

E25-15 Verification of dynamic pressure sensors in hot environment

Jonas Deurell

Siemens Energy AB, Sweden

12:00pm - 12:30pm

12:00pm - 12:30pm

ETC2025-140

Architecture of a Coupling Framework for Multi-Fidelity Aero-Thermal Simulations for Aero Engines

Ute Israel, Francois Cottier

MTU Aero Engines AG, Germany

12:00pm - 12:30pm

10138

ECL5/CATANA: Stability prediction at design and part speed

Ewan Gunn

Turbostream

12:00pm - 12:30pm

1075

E25-17 Fast Response Aerodynamic Probe: Design, Sensor Integration & First Time Application (FTA)

Jan Mihalyovics

Siemens Energy Global GmbH & Co. KG, Germany

12:30pm - 2:00pm

Lunch

Bldg. 8140 / Assembly Hall

12:35pm - 1:55pm

Turbomachinery Lab Lunch Break Tours

Bldg. 8130 / foyer

-Tour A: 12:35am -1:00pm
-Tour B: 1:30pm -1:55pm

2:00pm - 4:00pm

A-08:
Seals flow

Chair: Joerg Reinhart Seume — Leibniz University Hannover, Germany

Bldg. 8130 / Rm. 030

B-08:
Workshop: Open Test Case Fan ECL5 – CATANA

Chair: Xavier Ottavy — LMFA / CNRS / Centrale Lyon, France

Bldg. 8130 / Rm. 031

C-08:
Visit Aerzener Maschinenfabrik

Headquarter Company Visit: An exclusive opportunity to visit AERZEN, a global leader in compression technology
All info

D-08 (EVI-GTI):
Experimental and measuring techniques

Chair: Andreas Zeisberger — MTU Aero Engines AG, Germany

Bldg. 8132 / Rm. 002

2:00pm - 2:30pm

2:00pm - 2:30pm

ETC2025-210

The effect of purge-mainstream density ratio on rim seal fluid mechanics

Jason S. Boldero, Simon Vella, Hui Tang, James A. Scobie, Gary D. Lock, Carl M. Sangan

Department of Mechanical Engineering, University of Bath, Bath, United Kingdom

2:00pm - 2:30pm

10139

Prediction of the Operation Point Influence on ECL5/Catana Fan Blade Geometry

Marc Kainz

ANSYS

2:00pm - 2:30pm

ETC2025-270

Non-Reactive Experimental Analysis of an Exhaust Section downstream of a CVC

Panagiotis Gallis¹, Daniela Anna Misul¹, Bastien Boust², Marc Bellenoue², Simone Salvadori¹

1: Department of Energy, Politecnico di Torino, Corso Duca degli Abruzzi 24 10129, Torino, Italy; 2: PPRIME Institute, CNRS-ENSMA-University of Poitiers, Avenue Clèment Ader 1 86961, Chasseneuil, France

2:30pm - 3:00pm

2:30pm - 3:00pm

ETC2025-239

Numerical Analysis Front Deflector at Outer Air Seal of Low Pressure Turbine

Kacper Palkus^1,2

1: MTU Aero Engines Polska, Tajecina 108, 36-002, Jasionka, Poland; 2: Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland

2:30pm - 3:00pm

ETC2025-166

Identification of Tip-Leakage Vortex Wandering in Large-Eddy Simulation of ECL5/CATANA Transonic Fan Stage

Allan Beurville¹, Valentin Caries^1,2, Jérôme Boudet¹, Vincent Clair¹, Alexis Giauque¹

1: École Centrale de Lyon, CNRS, Universite Claude Bernard Lyon 1, INSA Lyon, LMFA, UMR5509, 69130, Ecully, France; 2: Safran Aircraft Engines, Moissy-Cramayel, France

2:30pm - 3:00pm

ETC2025-245

Development and Commissioning of the M250-C40B Engine Test Rig

Sergio Grasa¹, Andrew Eifert², Guillermo Paniagua¹, Tim Unton², Michael Butzen¹

1: Purdue University; 2: Rolls-Royce North America

3:00pm - 3:30pm

3:00pm - 3:30pm

ETC2025-203

Numerical Study of the Interaction between the Sealing Flow Rate and the Main Flow in a Gas Turbine Stage

Daniele Biassoni¹, Dario Barsi¹, Lorenzo Orsini², Davide Lengani¹

1: University of Genova; 2: University of Florence

3:00pm - 3:30pm

ETC2025-263

Flutter Analysis of the ECL5 Open Fan Testcase Using Harmonic Balance

Christian Frey¹, Stéphane Aubert², Pascal Ferrand², Anne-Lise Fiquet²

1: German Aerospace Center (DLR), Germany; 2: Ecole Centrale de Lyon, France

3:00pm - 3:30pm

ETC2025-189

Application of atomic layer thermopile (ALTP) sensors in organic vapor flows

Leander Hake¹, Stefan aus der Wiesche¹, Simon Kaneider², Tim Rödiger²

1: Muenster University of Applied Sciences, Germany; 2: Landshut University of Applied Sciences, Germany

3:30pm - 4:00pm

3:30pm - 4:00pm

ETC2025-209

Overview of the influence of parameters and failures on Dry Gas Seals

Till Martin Brockmann, Sebastian Schuster, Dieter Brillert

Chair of Turbomachinery at the University of Duisburg-Essen, Germany

3:30pm - 4:00pm

10140

Open discussion and conclusion

Xavier Ottavy¹, Christoph Brandstetter ²

1: Ecole Centrale de Lyon, CNRS, Universite Claude Bernard Lyon 1, INSA Lyon, LMFA, UMR5509, F-69134 Ecully, France; 2: CNRS, Ecole Centrale de Lyon, INSA Lyon, Universite Claude Bernard Lyon 1, LMFA, UMR5509, F-69134 Ecully, France

3:30pm - 4:00pm

ETC2025-160

Test rig design for the aeroacoustic investigation of a 1½-stage low-pressure turbine

Johanna Schuler, Niklas Maroldt, Joerg R. Seume

Leibniz University Hannover, Institute of Turbomachinery and Fluid Dynamics, Germany

4:00pm - 4:30pm

Coffee break

Bldg. 8140 / Assembly Hall

4:30pm - 6:00pm

A-09:
Axial Turbine - Unsteady flows and interactions (I)

Chair: Felix Fischer — MTU, Germany

Bldg. 8130 / Rm. 030

B-09:
Radial Compressor

Chair: Dieter Brillert — University Duisburg-Essen, Germany

Bldg. 8130 / Rm. 031

C-09:
Visit Aerzener Maschinenfabrik

Headquarter Company Visit: An exclusive opportunity to visit AERZEN, a global leader in compression technology
All info

D-09 (EVI-GTI):
Novel Rigs and Methods II

Chair: Ralf Obertacke — Siemens Energy Global GmbH & Co. KG, Germany

Bldg. 8132 / Rm. 002

4:30pm - 5:00pm

4:30pm - 5:00pm

ETC2025-246

Impact of tip clearance on the performance of a highly loaded unshrouded gas turbine rotor

Nitikorn Chanahan, Jens Fridh

KTH-Royal Institute of Technology, Sweden

4:30pm - 5:00pm

ETC2025-294

Design of a small-scale, high rotational speed centrifugal compressor operating with R-290

Renan Emre Karaefe, Sönke Teichel, Ahmet Çokşen

ebm-papst Mulfingen GmbH & Co. KG, Germany

4:30pm - 5:00pm

1091

E25-07 Gas leak detection in oil & gas: improving site reliability and safety using ultrasonic imaging

Walter Umbricht

Distran-Zürich, Switzerland

5:00pm - 5:30pm

5:00pm - 5:30pm

ETC2025-150

Analysis of interactions among loss-generating mechanisms in axial flow turbines

Greta Raina^1,2, Yannick Bousquet², David Luquet¹, Eric Lippinois¹, Nicolas Binder²

1: Safran Aircraft Engines, 77550 Moissy-Cramayel, France; 2: ISAE-SUPAERO, Université de Toulouse, 31400 Toulouse, France

5:00pm - 5:30pm

ETC2025-142

Compressor Surge and Positive-Slope Performance Modelling

Ola Ilseth Pronk, Alberto Serena, Lars Eirik Bakken

Norwegian University of Science and Technology (NTNU)

5:00pm - 5:30pm

1092

E25-25 The INFRa Rig: Enabling extensive investigations of fan intake interactions

Jonas Grubert, Jan Göing

Institute of Jet propulsion and Turbomachinery, TU Braunschweig, Germany

5:30pm - 6:00pm

5:30pm - 6:00pm

ETC2025-251

Prediction of the Unsteady Flow Field in a Turbine including Air Seal Cavities with Time and Frequency Domain Methods

Maximilian Hartmann¹, Marcel Oettinger¹, Daniel Schluess¹, Georg Geiser², Florian Herbst²

1: MTU Aero Engines AG, Germany; 2: Institute of Propulsion Technology, German Aerospace Center (DLR)

5:30pm - 6:00pm

1093

E25-26 IRON LIQORNE: Issues and Challenges in Monitoring Cryogenic Hydrogen Aviation Fuel Systems

Fynn Thilker

FH | JOANNEUM Gesellschaft mbH, Austria

7:30pm - 10:00pm

Gala dinner

Restaurant 6Sinne-Riverside

8:30am - 9:30am

ETC2025-IL04

Dr. Axel Schaberg - Siemens Energy Global GmbH & Co. KG Muelheim an der Ruhr, Germany

Bldg. 8130 / Rm. 030

9:30am - 10:00am

Coffee break

Bldg. 8140 / Assembly Hall

10:00am - 12:30pm

A-10:
Modelling of Physical Phenomena

Chair: Marcello Manna — Università degli Studi di Napoli Federico II, Italy

Bldg. 8130 / Rm. 030

B-10:
Fans (and propeller)

Chair: Janos Vad — Budapest University of Technology and Economics, Faculty of Mechanical Engineering, Hungary

Bldg. 8130 / Rm. 031

C-10:
Vibration Flutter Instability

Chair: Damian Vogt — University of Stuttgart, Germany

Bldg. 8132 / Rm. 131

D-10 (EVI-GTI):
Telemetry and dynamic pressure measurement

Chair: Hanspeter Zinn — GE Vernova Power, Switzerland

Bldg. 8132 / Rm. 002

10:00am - 10:30am

ETC2025-120

RANS Turbulence Modeling of Multistage Compressors using a Combination of Recent Model Extensions

Dominik Anton Suchla¹, Alexander Führing², Pascal Franke¹, Dajan Mimic¹, Lars Wein¹

1: Leibniz Universität Hannover, Germany; 2: MTU Aero Engines AG

10:00am - 10:30am

ETC2025-205

The INFRa-Rig: A Novel Experimental Setup for Investigating Closely Coupled Propulsors under Varying Operational Conditions

Patrick Brunow¹, Jonas Grubert¹, Jan Gößling³, Maximilian Mennicken², Rainer Schnell², Nick Gottschalk¹, Christoph Bode¹, Jens Friedrichs¹

1: TU Braunschweig, Germany; 2: German Aerospace Center (DLR), Germany; 3: Leibniz University Hannover, Germany

10:00am - 10:30am

ETC2025-342

The aeroelastic response of the IEA 15-MW wind turbine’s blades impinged by a turbulent inflow

Pietro De Palma¹, Claudio Bernardi¹, Stefania Cherubini¹, Giacomo Della Posta², Stefano Leonardi³

1: Politecnico di Bari, Italy; 2: Sapienza University of Rome; 3: University of Texas at Dallas

10:00am - 10:30am

10101

E25-36 A new design approach for a fan telemetry system in flight testing

Stefan Gier

Rolls-Royce Deutschland, Germany

10:30am - 11:00am

ETC2025-191

Improved turbine flow prediction using a vortex-reactive turbulence-model extension

Dajan Mimic^1,3, Tim Kluge¹, Marcel Oettinger²

1: Leibniz Universität Hannover, Germany; 2: MTU Aero Engines; 3: Cluster of Excellence SE²A – Sustainable and Energy Efficient Aviation TU Braunschweig, Braunschweig, Germany

10:30am - 11:00am

ETC2025-235

Evaluation of a Body Force Model for an aerodynamic evaluation of fan intake interactions

Jonas Grubert, Jens Friedrichs, Jan Göing

TU Braunschweig, Germany

10:30am - 11:00am

ETC2025-153

Influence of varying tip gaps and cooling air parameters on the aeroelasticity of a two-stage axial turbine.

Felix Ludeneit, Niklas Maroldt, Joerg R. Seume

Leibniz University Hannover, Institute of Turbomachinery and Fluid Dynamics

10:30am - 11:00am

10102

E25-14 Operational experiences with touchless torsional vibration measurements including real SSR-events

Ingo Balkowski

Siemens Energy Global GmbH & Co. Kg, Germany

11:00am - 11:30am

ETC2025-102

Numerical Modelling of pressure losses and heat transfer of a vaporizer tube bundle with quantification of fins effects with CFD and generation of correlations

Francois Cottier, Oliver Beck, Silke Wanzek, Bernhard Jäppelt

MTU Aero Engines AG, Germany

11:00am - 11:30am

ETC2025-122

Optimising blade profiles to extend the operating range in BLI fan application

Andrea Magrini, Marco Casoni, Ernesto Benini

Università Degli Studi di Padova, Italy

11:00am - 11:30am

ETC2025-163

Study of the unsteady interaction between turbine rows using linear and non-linear RANS methods

Juan Manuel Gallardo, Óscar Bermejo, Óscar Pérez, Javier Crespo

ITP Aero, Spain

11:00am - 11:30am

10103

E25-04 Compressor Blade Vibration Measurement Strategy Employing Strain Gauge (Telemetry) and Tip Timing for Advanced Small Frame Size Turbochargers with Vaned Diffuser

Takashi Ando

Accelleron Switzerland Ltd. Switzerland

11:30am - 12:00pm

ETC2025-169

Droplet-laden flows in multi-stage compressors – an overview of the impact of modeling depth on calculated compressor performance

Geist Silvio, Markus Schatz

Helmut-Schmidt-University Hamburg, Germany

11:30am - 12:00pm

ETC2025-161

A Comparative Investigation of Tip-Loss and Compressibility Correlations for Blade Element Momentum Theory Propeller Performance Analysis

Manuel Casablanca, Andrea Magrini, Francesco De Vanna, Ernesto Benini

Università Degli Studi di Padova, Italy

11:30am - 12:00pm

ETC2025-247

Mechanisms of Vibration and Noise in the First Stage Compressor Rotor of a Multi-Axial GasTurbineEngine

Nhat-Minh Hoang, Quoc-Huy Nghiem, Duy-Lanh Chu, Phi-Minh Nguyen

Viettel Aerospace Institute, Vietnam

11:30am - 12:00pm

10104

E25-22 High Bandwidth Telemetry System for Rotor Temperature Measurement Reducing Parasitic Noise

Jan Hausknecht

Datatel

12:00pm - 12:30pm

ETC2025-204

Validation of a Dual-Mesh method for hybrid URANS-LES

Dario Amirante¹, Ilias Vasilopoulos², Marcus Meyer², Nick Hills¹

1: University of Surrey, United Kingdom; 2: Rolls-Royce Deutschland

12:00pm - 12:30pm

ETC2025-336

Total Pressure Distortion Reconstruction Methods from Velocimetry Data within an Aero-engine Intake at Crosswind

Tommaso Piovesan, Pavlos Zachos, David MacManus

Cranfield University, United Kingdom

12:00pm - 12:30pm

ETC2025-344

Numerical Investigation of IGV–Rotor Flutter of a Modern Transonic Compressor: On the Assessment of the Nonlinear Harmonic Method

Bruno A. C. Barata¹, Johan Prinsier¹, Loïc Martin², Frank Eulitz¹

1: von Karman Institute for Fluid Dynamics, Belgium; 2: Safran Aero Boosters, Belgium

12:00pm - 12:30pm

10105

E25-12 Intelligent monitoring of a Recursive Sequential Combustor applied to hydrogen

Fabrice Giuliani¹, Alexander Schricker², Vojislav Petrovic³, Wolfgang Waldhauser³

1: Combustion Bay One e.U; 2: Piezocryst GmbH; 3: Joanneum Research GmbH, Austria

12:30pm - 2:00pm

Lunch

Bldg. 8140 / Assembly Hall

12:35pm - 1:55pm

Turbomachinery Lab Lunch Break Tours

- Tour A: 12:35am -1:00pm - Tour B: 1:30pm -1:55pm

Bldg. 8130 / foyer

2:00pm - 4:00pm

A-11:
Axial Turbine - Unsteady flows and interactions (II)

Chair: Francesco Martelli — University Florence, Italy

Bldg. 8130 / Rm. 030

B-11:
Workshop: TFD 4AC Open test Case: 4 1/2 -stage high-speed axial compressor-geometry and performance data

Chair: Dajan Mimic — Leibniz Universität Hannover, Germany

Bldg. 8130 / Rm. 031

C-11:
Hydraulic Turbines (II)

Chair: Gérard Bois — ENSAM-Arts et Métiers Institute of Technology, France

Bldg. 8132 / Rm. 131

D-11
(EVI-GTI): Operational experience of turbomachinery and integrated system

Chair: Ralf Obertacke — Siemens Energy Global GmbH & Co. KG, Germany

Bldg. 8132 / Rm. 002

2:00pm - 2:30pm

ETC2025-133

Trailing edge loss of choked organic vapor turbine blades

Leander Hake, Stefan aus der Wiesche

Muenster University of Applied Sciences, Germany

2:00pm - 2:30pm

ETC2025-269

Influence of the Blade Lean Angle on fluid-dynamic Stability at Runaway in a Reversible Pump Turbine

Giacomo Zanetti^1,2, Monica Siviero¹, Giovanna Cavazzini¹, Alberto Santolin²

1: University of Padova, Italy; 2: 45 Engineering S.r.l, Italy

2:00pm - 2:30pm

ETC2025-234

Semi-supervised deep learning framework for predictive maintenance in offshore wind turbines

Valerio Francesco Barnabei, Tullio Carlo Maria Ancora, Giovanni Delibra, Alessandro Corsini, Franco Rispoli

Sapienza University of Rome, Italy

2:30pm - 3:00pm

ETC2025-127

Annular high pressure turbine cascade test rig for the investigation of secondary flow structures

Hans Alexander Hager¹, Anna-Lisa Laufer², Marios Patinios², Martin Lange¹, Ronald Mailach¹

1: Chair of Turbomachinery and Flight Propulsion, Technische Universität Dresden, Dresden 01062, Germany; 2: GE Aerospace, Advanced Aviation Technology, 85748 Garching bei München, Germany.

2:30pm - 3:00pm

ETC2025-212

Study on straight cavitating vortex dynamics generated due to increase in the axial flux of angular momentum

David Štefan, Martin Hudec, Vladimír Habán, Jiří Bezdíček, Pavel Rudolf

Brno University of Technology, Faculty of Mechanical Engineering, Czech Republic

2:30pm - 3:00pm

ETC2025-141

Detection of faulty machine behavior using acoustic measurements: A predictive maintenance approach demonstrated by means of IGV misalignment

Nick Linnemann, Dieter Brillert

University of Duisburg-Essen, Germany

3:00pm - 3:30pm

ETC2025-291

Cavity Flow Instabilities in a Purged High-Pressure Turbine Stage

Lorenzo Da Valle^1,2, Sergio Lavagnoli¹

1: von Karman Institute for Fluid Dynamics, Belgium; 2: University of Liege, Belgium

3:00pm - 3:30pm

ETC2025-254

Experimental results in a variable-pitch Wells rotor

Fabio Licheri, Tiziano Ghisu, Francesco Cambuli, Pierpaolo Puddu, Mario Carta

Department of Mechanical, Chemical and Materials Engineering (DIMCM), University of Cagliari, Italy

3:00pm - 3:30pm

ETC2025-237

Performance and Emission Analysis of Aircraft Engines under Realistic Conditions

Daniel Lieder, Maximilian Bien, Erik Seume, Sebastian Lück, Federica Ferraro, Jens Friedrichs, Jan Göing

Technische Universität Braunschweig, Germany

3:30pm - 4:00pm

ETC2025-167

Influence of Hub Purge flow rate on Forced Response in a Low Pressure Turbine

Alex Trafford¹, Sergio Lavagnoli², Sina Stapelfeldt¹, Gustavo Lopes²

1: Imperial College London, United Kingdom; 2: Von Karman Institute, Belgium

3:30pm - 4:00pm

ETC2025-138

Analysis of Operation and Measurement Uncertainty of a Rebuilt 1.5 – Stage Test Turbine on the Investigation of Hot Gas Ingestion

Lukas Pehle¹, Sophia Jörg¹, Stephan Stotz², Manfred Wirsum¹

1: Institute of Power Plant Technology, Steam and Gas Turbines, RWTH Aachen University, Germany; 2: MTU Aero Engines AG

4:00pm - 4:30pm

Coffee break

Bldg. 8140 / Assembly Hall

4:30pm - 6:00pm

A-12:
Design and Optimisation methods

Chair: Raul Vazquez — Rolls-Royce plc, United Kingdom

Bldg. 8130 / Rm. 030

B-12:
MTU Visit

Headquarter Company VisitAn exclusive opportunity to visit MTU Aero Engines, a global leader in aircraft engine technology
All info

C-12:
Radial Turbine

Chair: Rodolfo Bontempo — Università degli Studi di Napoli Federico II, Italy

Bldg. 8132 / Rm. 131

D-12 (EVI-GTI):
Novel Rigs and Methods III

Chair: Bjorn Karlsson — Siemens-Energy AB, Sweden

Bldg. 8132 / Rm. 002

4:30pm - 5:00pm

ETC2025-109

Multi-objective optimization of an S-type compressor cascade at low transonic inlet conditions

Marco Casoni, Andrea Magrini, Ernesto Benini

Università di Padova, Italy

4:30pm - 5:00pm

ETC2025-273

Detached Eddy Simulation of a Radial Turbine operated with supercritical CO2

Benedikt Lea, Federico Lo Presti, Wojciech Sadowski, Francesca di Mare

Ruhr-University-Bochum, Germany

4:30pm - 5:00pm

10121

E25-08 Test rig for flow validation of Industrial Gas Turbine combustors and discharge nozzles

Sam Mason, Matthew Biggs, Marios Christodoulou

SCITEK Consultants Ltd. United Kingdom

5:00pm - 5:30pm

ETC2025-297

On the Effectiveness of Low-Fidelity Optimization Methods for Propeller Design

Manuel Casablanca, Francesco De Vanna, Andrea Magrini, Ernesto Benini

Università Degli Studi di Padova, Italy

5:00pm - 5:30pm

ETC2025-183

Gas turbine multi-disciplinary optimization for additive manufacturing

Victor Loir, Tom Verstraete, Bayindir Saracoglu

The von Karman Institute for Fluid Dynamics, Belgium

5:00pm - 5:30pm

10122

E25-05 Oil debris and condition sensors

Joe Kirkup, Kam Chana

University of Oxford, United Kingdom

5:30pm - 6:00pm

10123

E25-31 Compressortesting at DLR - an overview about testbeds and capabilities, DHL

Christian Tiedemann

DLR, Germany

6:00pm - 6:30pm

ETC2025-290

E25-40 Design of a near-infrared multi-wavelength light-field (MWLF) imager for wide temperature measurement

Chunhui Yao¹, Hailong Liu², Yang Qing², Yumeng Zhao¹, Wei Zhang¹, Hua Fang¹, Gao Shan², Shengxian Shi¹

1: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China
2: School of Information and Communication Engineering, Harbin Engineering University, China

6:30pm - 7:30pm

EVI-GTI General Assembly Meeting

Bldg. 8132 / Rm. 002

6:30pm - 8:30pm

Committee Meeting

Bldg. 8140 / Rm. 117

8:30am - 9:30am

ETC2025-IL05

Propulsion system innovations for climate-friendly aviation - a cost perspective

Dr Jan von Frohwein - Director of Innovations Propulsion - MTU Aeroengine AG, Munich

Bldg. 8130 / Rm. 030

9:30am - 10:00am

Coffee break

Bldg. 8140 / Assembly Hall

10:00am - 12:30pm

A-13:
Transition and turbulence Modeling

Chair: Edmund Kügeler — German Aerospace Center (DLR), Germany

Bldg. 8130 / Rm. 030

B-13:
Axial Compressor - Design Analysis and performance

Chair: Frank Eulitz — von Karman Institute for Fluid Dynamics, Belgium

Bldg. 8130 / Rm. 031

C-13:
Steam Turbines

Chair: G Hermle — MAN ES, Germany

Bldg. 8132 / Rm. 131

D-13 (EVI-GTI):
Novel Rigs and Methods IV

Chair: Bjorn Karlsson — Siemens-Energy AB, Sweden

Bldg. 8132 / Rm. 002

10:00am - 10:30am

10:00am - 10:30am

ETC2025-144

Validation of an Eddy-viscosity-based Roughness Model using High-fidelity Simulations

Kenan Cengiz, Hendrik Seehausen, Lars Wein

Leibniz University Hannover, Germany

10:00am - 10:30am

ETC2025-135

Variable Amplitude Leading Edge Tubercle Optimization of Rotor 37

Yannik Schulz, Christoph Kuestner, Joop Moritz Kohl, Dajan Mimic

Institute of Turbomachinery and Fluid Dynamics (TFD), Leibniz University Hanover, Germany

10:00am - 10:30am

ETC2025-177

Two-Dimensional Flow in a Linear Cascade of Throttling Nozzles for an Adaptive Turbine Stage

Reinhard Willinger¹, Khoiri Rozi², Mohammad Reza Kariman³

1: TU Wien, Austria; 2: Diponegoro University, Semarang, Indonesia; 3: TU Wien, Austria

10:00am - 10:30am

10131

E25-24 Linear High Temperature Cascade for Turbine Heat Transfer Research Above 1000 K - Insights and Outlook

Jan Lemmer¹, Peter Jeschke¹, Michael Rabs²

1: Institute of Jet Propulsion and Turbomachinery, RWTH Aachen University; 2: MAN Energy Solutions SE, Oberhausen, Germany

10:30am - 11:00am

10:30am - 11:00am

ETC2025-217

Investigation of the laminar-turbulent transition mechanisms of low pressure turbine boundary-layers with Linear Stability Theories

Alice Fischer, Frank Eulitz

von Karman Institute for Fluid Dynamics, Chaussée de Waterloo 72, 1640 Rhode-St-Genèse, Belgium

10:30am - 11:00am

ETC2025-325

A Quasi-Direct Numerical Simulation of a Compressor Blade with Separation Bubbles and Inflow Turbulence.

Guglielmo Vivarelli¹, Joao Anderson Isler¹, Chris Cantwell¹, Francesco Montomoli¹, Spencer Sherwin¹, Yuri Frey-Marioni², Marcus Meyer³, Iftekhar Naqavi², Raul Vazquez-Diaz²

1: Imperial College London, United Kingdom; 2: Rolls-Royce plc Derby; 3: Rolls-Royce Deutschland

10:30am - 11:00am

ETC2025-118

Experimental and numerical Investigation of heat transfer of a side space of a steam turbine casing at full and partial load

Bernhard V. Weigel¹, Oliver Brunn², Thomas Polklas², Stefan Odenbach¹, Wieland Uffrecht¹

1: TU Dresden, Germany; 2: MAN Energy Solutions SE

10:30am - 11:00am

10132

E25-35 Design and Development of Continuum Robots for Aero-Engine Inspection

Tim-David Job, Martin Bensch, Thomas Seel, Moritz Schappler

Leibniz University Hannover, Germany

11:00am - 11:30am

11:00am - 11:30am

ETC2025-315

Source-term based synthetic turbulence generator applied to compressible DNS of the T106A low-pressure turbine

João Isler¹, Guglielmo Vivarelli¹, Chris Cantwell¹, Francesco Montomoli¹, Spencer Sherwin¹, Yuri Frey², Marcus Meyer³, Raul Vazquez²

1: Department of Aeronautics, Imperial College London, London, UK; 2: Rolls-Royce plc, Derby, UK; 3: Rolls-Royce Deutschland, Dahlewitz, Germany

11:00am - 11:30am

ETC2025-300

Compressor tandem blade: investigation into actuation strategies

Mathias Brach¹, Andrea Rocca², Koen Alfons Hillewaert^1,2

1: Université de Liège, Belgium; 2: Cenaero

11:00am - 11:30am

ETC2025-130

Experimental and numerical study on pressure losses and pressure fluctuations in a valve assembly with three control valves in one chamber

Vaclav Slama¹, Simurda David², Bartolomej Rudas¹, Jindrich Hala²

1: Doosan Skoda Power, Czech Republic; 2: Institute of Thermomechanics, Czech Academy of Sciences, Czech Republic

11:00am - 11:30am

10133

E25-37 Rotating vane-row clocking device for the application of extensive instrumentation in gas and steam turbines

Eike Helmsen, Josué-Inocente Camarero Pueyo, Michael Henke

Leibniz University Hannover, Germany

11:30am - 12:00pm

11:30am - 12:00pm

ETC2025-146

An Aggregated Turbulence-Transition Model for the Prediction of Short and Long Separation Bubbles

Andrea Carlucci, Daniele Petronio, Matteo Dellacasagrande, Daniele Simoni, Francesca Satta

University of Genoa, Italy

11:30am - 12:00pm

ETC2025-288

Experimental and numerical characterization of the stable operating range of a highly-loaded axial compressor stage

Riccardo Toracchio^1,2, Koen Hillewaert², Fabrizio Fontaneto¹

1: von Karman Institute, Turbomachinery and Propulsion Dept., Rhode-St-Genèse, Belgium; 2: University of Liège, Aerospace and Mechanical Engineering Dept., Liège, Belgium

11:30am - 12:00pm

ETC2025-158

WET Concept: Design Considerations For The Steam Turbine

Josué-Inocente Camarero Pueyo¹, Stephan Behre², Nelli Steinkamp², Jörg Seume¹

1: Leibniz University Hannover, Institute of Turbomachinery and Fluid Dynamics; 2: MTU Aero Engines AG

11:30am - 12:00pm

10134

E25-33 Extention of the Operational Range of a Compressor Testbed Driveline

Rayk Schoenbeck

AneCom AeroTest, Germany

12:00pm - 12:30pm

12:00pm - 12:30pm

ETC2025-282

Direct Numerical Simulations of the Spleen cascade: a study of the impact of compressibility on transition and separation in a low-pressure turbine passage

Maxime Borbouse¹, Nathan Deneffe¹, Mars Thys¹, Margaux Boxho^1,2, Michel Rasquin², Gustavo Lopes³, Sergio Lavagnoli³, Koen Hillewaert^1,2,3

1: Université de Liège, Belgium; 2: Cenaero, Belgium; 3: von Karman Institute for Fluid Dynamics, Belgium

12:00pm - 12:30pm

12:00pm - 12:30pm

12:00pm - 12:30pm

1042

E25-02 Design, Performance Analysis and Validation of a New High Speed Calibration Wind Tunnel for Aerodynamic Probes

Niklas Dohme, Michael Henke, Henning Rätz, Arne Vorreiter, Joerg R. Seume

Aerzener Maschinenfabrik GmbH, Institute of Turbomachinery and Fluid Dynamics, Leibniz University Hannover, Volkswagen AG, Germany

12:30pm - 12:45pm

Closing Ceremony

Bldg. 8130 / Rm. 030