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

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

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

Francesco De Vanna, Ernesto Benini

University of Padova, Italy

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

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

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

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

In-Pipe Micro-Cycloidal Water Turbine for Energy Harvesting

Giorgio Pavesi¹, Tingyun Yin²

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

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

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

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

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

Study on Aerodynamic Loss of HP Turbine Blade Coolant Ejection

Shota Moriguchi, Hiroki Sato, Masaaki Hamabe

IHI, Japan

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

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

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

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

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

Jesus Matesanz-Garcia, Roque Corral

Universidad Politécnica de Madrid, Spain

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

Gérard Bois, Meng FAN

ENSAM-Arts et Métiers Institute of Technology, France

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

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

Optimization of a Volute downstream of a Vaned Radial Compressor

Nicolas Lachenmaier, Tobias Maennle, Friedrich Fröhlig

Rolls-Royce Solutions GmbH, Germany

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

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

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

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

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

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

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

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

Numerical Pump Head Curve Stability Prediction

Laurent Chatagny¹, Daniele Cimmino¹, Tobias Röseler², Stefan Berten¹

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

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

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

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

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

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

Development of a reduced order model for turbine blade cooling design

Andrea Pinardi, Noraiz Mushtaq, Paolo Gaetani

Politecnico di Milano, Italy

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

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

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: Univ. Lille, CNRS, ONERA, Arts et Métiers Institute of Technology, Centrale Lille, UMR 9014-LMFL-Laboratoire de Mécanique des Fluides de Lille - Kampé de Fériet, Av. Paul Langevin, Villeneuve-d’Ascq, Lille, F-59000, Hauts de France, France; 2: Département Aérodynamique, Aéroélasticité, Acoustique, Office National d’Études et de Recherches Aérospatiales (ONERA), Université Paris Saclay, F-92190 Meudon, France

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

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

High Fidelity Turbomachinery CFD Simulations Using General-Purpose GPU

Qingyuan Zhuang

Siemens, Netherlands

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

Assessment of numerical methods for ducted wind turbines

Rodolfo Bontempo, Marcello Manna

Università degli Studi di Napoli Federico II, Italy

Parameter Study of Dynamic Stall under High Reynolds Numbers

Hye Rim Kim, Daniel Schwarzer, Lars Wein

Leibniz University Hannover, Germany

Sinusoidal Leading Edge for Passive Flow Control in VAWTs

Lorenzo Tieghi, Giovanni Delibra, Giulia Gaeta, Alessandro Corsini

Sapienza University of Rome, Italy

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

CONFERENCE CHAIR WELCOME, Welcome to Hannover

Ralf Obertacke

EVI-GTI

Elevator Pitches: 5 x 3 Minutes Company and Product Presentations

Ralf Obertacke

EVI-GTI

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

Katharina Kreitz

Vectoflow GmbH, Germany

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

Jagannath Marathi

Bosch Digital Twin Industries, Germany

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

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

Stefan von Hößlin

MTU Aero Engines AG, Germany

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

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

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

Florent Duchaine, Xavier Delon

CERFACS, France

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

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

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

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

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

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


Andreas Lantz

Siemens Energy AB, Sweden

E25-19 UCTS: Technical Update 2025


Anastasia Thomas

LGTechLink, US

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


Otto Gansner

PI Electronics AG, Switzerland

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

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

Kevin Boes, Lukas Inhestern, Guillermo Paniagua

Purdue University, United States of America

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

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

E25-29 Aerothermodynamic turbine tests at DLR


Frank Kocian

DLR, Germany

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


Bertram Janus

DLR, Germany

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

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

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

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

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

Ute Israel, Francois Cottier

MTU Aero Engines AG, Germany

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

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

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

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

ECL5/CATANA: Stability prediction at design and part speed

Ewan Gunn

Turbostream

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

Ian Macafee

WIKA Optical Sensing Ltd, United Kingdom

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


Jürgen Gründmayer

MTU Aero Engines AG, Germany

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

E25-15 Verification of dynamic pressure sensors in hot environment


Jonas Deurell

Siemens Energy AB, Sweden

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


Jan Mihalyovics

Siemens Energy Global GmbH & Co. KG, Germany

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

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

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

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

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

Marc Kainz

ANSYS

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

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

Open discussion and conclusion

Xavier Ottavy¹, Christoph Brandstetter²

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

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

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

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

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

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

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

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)

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

Compressor Surge and Positive-Slope Performance Modelling

Ola Ilseth Pronk, Alberto Serena, Lars Eirik Bakken

Norwegian University of Science and Technology (NTNU)

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


Walter Umbricht

Distran-Zürich, Switzerland

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

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


Fynn Thilker

FH | JOANNEUM Gesellschaft mbH, Austria

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

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

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

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

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

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

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

Jonas Grubert, Jens Friedrichs, Jan Göing

TU Braunschweig, Germany

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

Andrea Magrini, Marco Casoni, Ernesto Benini

Università Degli Studi di Padova, Italy

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

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

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

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

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

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

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

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

Stefan Gier

Rolls-Royce Deutschland, Germany

E25-36 Operational experiences with touchless torsional vibration measurements including real SSR-events

Ingo Balkowski

Siemens Energy Global GmbH & Co. KG, Germany

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

E25-22 AI-based Condition Monitoring of Gas Turbine Combustors Using High-Resolution Dynamic Pressure Sensor Data


Jan Hausknecht

Datatel

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

Trailing edge loss of choked organic vapor turbine blades

Leander Hake, Stefan aus der Wiesche

Muenster University of Applied Sciences, Germany

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.

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

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

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

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

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

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

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

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

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

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

Marco Casoni, Andrea Magrini, Ernesto Benini

Università di Padova, Italy

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

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

Gas turbine multi-disciplinary optimization for additive manufacturing

Victor Loir, Tom Verstraete, Bayindir Saracoglu

The von Karman Institute for Fluid Dynamics, Belgium

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

E25-05 Oil debris and condition sensors


Joe Kirkup, Kam Chana

University of Oxford, United Kingdom

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


Christian Tiedemann

DLR, Germany

Design of a multi-spectral light-field imager for high temperature measurement

Chunhui Yao¹, Hua Fang^1,2, Mingrui Huang¹, Fei Zeng², Shengxian Shi¹

1: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2: Aero-Engine Corporation of China, Hunan Aviation Powerplant Research Institute, China

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

Kenan Cengiz, Hendrik Seehausen, Lars Wein

Leibniz University Hannover, Germany

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

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

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

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

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

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

Compressor tandem blade: investigation into actuation strategies

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

1: Université de Liège, Belgium; 2: Cenaero

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

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

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

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

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

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

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

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

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

Rayk Schoenbeck

AneCom AeroTest, Germany

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