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Journal Articles

Numerical Calibration and Investigation of the Influence of Reynolds Number on Measurements With Five-Hole Probes in Compressible Flows

Christian Schäffer, Konstantin Speck, Volker Gümmer

J. Turbomach. September 2022, 144(9): 091010.

Paper No: TURBO-21-1169

DOI: https://doi.org/10.1115/1.4053835

Published Online: March 4, 2022

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Topics: Calibration, Pressure, Probes, Reynolds number, Yaw, Errors, Geometry

Proceedings Papers

Coupling of Endwall and Aerofoil Optimisation on a Low-Speed Compressor Tandem Stator

Mattia Straccia, Volker Gümmer

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A009, June 7–11, 2021

Paper No: GT2021-59058

DOI: https://doi.org/10.1115/GT2021-59058

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Topics: Airfoils, Compressors, Optimization, Stators, Flow (Dynamics), Geometry, Blades, Design, Shapes, Algorithms

Proceedings Papers

Numerical Investigation of the Aerodynamic Performance of Hybrid Aerofoils in a 1.5-Stage Low-Speed Compressor

Jannik Eckel, Volker Gümmer

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A008, June 7–11, 2021

Paper No: GT2021-58657

DOI: https://doi.org/10.1115/GT2021-58657

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Topics: Airfoils, Compressors, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Steady state

Proceedings Papers

Endwall Boundary Layer Development in a Multistage Low-Speed Compressor With Tandem Stator Vanes

Michael Hopfinger, Volker Gümmer

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A014, June 7–11, 2021

Paper No: GT2021-58742

DOI: https://doi.org/10.1115/GT2021-58742

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Topics: Boundary layers, Compressors, Stators, Flow (Dynamics), Airfoils, Design, Shear stress

Proceedings Papers

Numerical Evaluation of Losses in Shrouded and Cantilevered Stators of a Multi-Stage Axial Compressor

Ilaria De Dominicis, Sebastian Robens, Volker Gümmer

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A003, June 7–11, 2021

Paper No: GT2021-58388

DOI: https://doi.org/10.1115/GT2021-58388

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Topics: Compressors, Stators, Flow (Dynamics), Leakage, Pressure, Cavities, Computational fluid dynamics, Engineering simulation, Engineers, Entropy

Proceedings Papers

Numerical Calibration and Investigation of the Influence Of Reynolds Number on Measurements With Five-Hole Probes In Compressible Flows

Christian Schäffer, Konstantin Speck, Volker Gümmer

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A002, June 7–11, 2021

Paper No: GT2021-58618

DOI: https://doi.org/10.1115/GT2021-58618

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Topics: Calibration, Compressible flow, Probes, Reynolds number

Proceedings Papers

Experimental Investigation of the Starting Procedure of a Helicopter Gas Turbine Featuring an Impingement Quick-Start System

Niklas Kuen, Volker Gümmer

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A038, September 21–25, 2020

Paper No: GT2020-16231

DOI: https://doi.org/10.1115/GT2020-16231

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Topics: Gas turbines, Engines, Flight, Fuels, Helicopters, Safety, Weight (Mass)

Proceedings Papers

Reduced-Order Modelling of Rotating Stall

Dominik Schlüter, Robert P. Grewe, Fabian Wartzek, Alexander Liefke, Jan Werner, Christian Kunkel, Volker Gümmer

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A011, September 21–25, 2020

Paper No: GT2020-14459

DOI: https://doi.org/10.1115/GT2020-14459

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Topics: Clocks, Compressors, Computation, Computational fluid dynamics, Computer simulation, Errors, Flow (Dynamics), Modeling, Pressure, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Optimization Design Analysis of Primary Surface Recuperator for Rotorcraft Powerplant Applications

Chengyu Zhang, Volker Gümmer

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT22A004, June 17–21, 2019

Paper No: GT2019-90842

DOI: https://doi.org/10.1115/GT2019-90842

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Topics: Design, Optimization, Power stations, Aircraft engines, Fuel consumption, Gas turbines, Genetic algorithms, Pressure drop, Shapes, Stress

Proceedings Papers

New Methods for Secondary Flow Phenomena Visualization and Analysis

Mattia Straccia, Rodolfo Hofmann, Volker Gümmer

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A029, June 17–21, 2019

Paper No: GT2019-91378

DOI: https://doi.org/10.1115/GT2019-91378

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Topics: Flow (Dynamics), Visualization, Vortices, Turbulence, Boundary layers, Rotors, Shock (Mechanics), Design, Engineering simulation, Equilibrium (Physics)

Proceedings Papers

Structural Analysis of an Auxetic Casing Structure Incorporating Tip Blowing Casing Treatment Modification

Tobias Schmidt, Jan Lorenz, Volker Gümmer, Andreas Hupfer

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT30A006, June 17–21, 2019

Paper No: GT2019-91272

DOI: https://doi.org/10.1115/GT2019-91272

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Topics: Structural analysis, Stress, Clearances (Engineering), Compressors, Design, Additive manufacturing, Stability, Aircraft engines, Construction, Fatigue

Proceedings Papers

Reducing Compressor Shroud Leakage Flows by Raising the Stator Hub Line: Low Speed Tests

Henner Schrapp, Arne Dodegge, Volker Gümmer, Neil W. Harvey, Jörn Städing, Jens Friedrichs

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT39A032, June 17–21, 2019

Paper No: GT2019-91611

DOI: https://doi.org/10.1115/GT2019-91611

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Topics: Compressors, Leakage flows, Stators, Pressure, Flow (Dynamics), Cavities, Design, Wind, Annulus, Boundary layers

Proceedings Papers

Evaluation of the Fuel Saving Potential Regarding Recuperated Helicopter Flight Conditions

Chengyu Zhang, Martin Kerler, Volker Gümmer

Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A012, June 11–15, 2018

Paper No: GT2018-75637

DOI: https://doi.org/10.1115/GT2018-75637

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Topics: Flight, Fuels, Weight (Mass), Cycles, Engines, Electromagnetic weapons, Gas turbines, Simulation, Aircraft, Compressed air

Journal Articles

Influencing Parameters of Tip Blowing Interacting With Rotor Tip Flow

Cyril Guinet, André Inzenhofer, Volker Gümmer

J. Turbomach. February 2017, 139(2): 021010.

Paper No: TURBO-16-1111

DOI: https://doi.org/10.1115/1.4034699

Published Online: October 26, 2016

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Topics: Blades, Design, Flow (Dynamics), Nozzles, Pressure, Rotors, Compressors, Simulation

Proceedings Papers

Influencing Parameters of a Tip Blowing Interacting With Rotor Tip Flow

Cyril Guinet, André Inzenhofer, Volker Gümmer

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A005, June 15–19, 2015

Paper No: GT2015-42039

DOI: https://doi.org/10.1115/GT2015-42039

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Topics: Flow (Dynamics), Rotors, Design, Compressors, Stability, Nozzles, Axial flow, Engineering simulation, Geometry, Levers

Proceedings Papers

An Experimental Investigation of a Tandem Stator Flow Characteristic in a Low Speed Axial Research Compressor

Alrik Tesch, Martin Lange, Konrad Vogeler, Jens Ortmanns, Erik Johann, Volker Gümmer

Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A029, June 16–20, 2014

Paper No: GT2014-26104

DOI: https://doi.org/10.1115/GT2014-26104

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Topics: Compressors, Flow (Dynamics), Stators, Design, Blades, Fluids, Guide vanes, High pressure (Physics), Jet engines, Power density

Proceedings Papers

Tip Gap Variation on a Transonic Rotor in the Presence of Tip Blowing

Cyril Guinet, J. Anton Streit, Hans-Peter Kau, Volker Gümmer

Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A002, June 16–20, 2014

Paper No: GT2014-25042

DOI: https://doi.org/10.1115/GT2014-25042

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Topics: Rotors, Stability, Design, Compressors, Aircraft engines, Axial flow, Clearances (Engineering), Control systems, Cycles, Engineering simulation

Proceedings Papers

Impact of Manufacturing Variability on Multi–Stage High–Pressure Compressor Performance

Alexander Lange, Matthias Voigt, Konrad Vogeler, Henner Schrapp, Erik Johann, Volker Gümmer

Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 417-426, June 11–15, 2012

Paper No: GT2012-69571

DOI: https://doi.org/10.1115/GT2012-69571

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Topics: Compressors, High pressure (Physics), Manufacturing, Blades, Electromagnetic scattering, Pressure, Rotors, Computational fluid dynamics, Computer simulation, Density

Journal Articles

Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal

Sascha Pönick, Dragan Kožulović, Rolf Radespiel, Bernd Becker, Volker Gümmer

J. Turbomach. March 2013, 135(2): 021030.

Paper No: TURBO-11-1190

DOI: https://doi.org/10.1115/1.4006570

Published Online: November 8, 2012

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Topics: Blades, Flow (Dynamics), Pressure, Compressors, Design, Vortices, Computational fluid dynamics, Turbulence, Cascades (Fluid dynamics)

Journal Articles

Impact of Manufacturing Variability on Multistage High-Pressure Compressor Performance

Alexander Lange, Matthias Voigt, Konrad Vogeler, Henner Schrapp, Erik Johann, Volker Gümmer

J. Eng. Gas Turbines Power. November 2012, 134(11): 112601.

DOI: https://doi.org/10.1115/1.4007167

Published Online: September 24, 2012

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Topics: Blades, Compressors, Computational fluid dynamics, Electromagnetic scattering, Geometry, High pressure (Physics), Manufacturing, Pressure, Rotors, Simulation

Journal citation

NARROW

Numerical Calibration and Investigation of the Influence of Reynolds Number on Measurements With Five-Hole Probes in Compressible Flows

Coupling of Endwall and Aerofoil Optimisation on a Low-Speed Compressor Tandem Stator

Numerical Investigation of the Aerodynamic Performance of Hybrid Aerofoils in a 1.5-Stage Low-Speed Compressor

Endwall Boundary Layer Development in a Multistage Low-Speed Compressor With Tandem Stator Vanes

Numerical Evaluation of Losses in Shrouded and Cantilevered Stators of a Multi-Stage Axial Compressor

Numerical Calibration and Investigation of the Influence Of Reynolds Number on Measurements With Five-Hole Probes In Compressible Flows

Experimental Investigation of the Starting Procedure of a Helicopter Gas Turbine Featuring an Impingement Quick-Start System

Reduced-Order Modelling of Rotating Stall

Optimization Design Analysis of Primary Surface Recuperator for Rotorcraft Powerplant Applications

New Methods for Secondary Flow Phenomena Visualization and Analysis

Structural Analysis of an Auxetic Casing Structure Incorporating Tip Blowing Casing Treatment Modification

Reducing Compressor Shroud Leakage Flows by Raising the Stator Hub Line: Low Speed Tests

Evaluation of the Fuel Saving Potential Regarding Recuperated Helicopter Flight Conditions

Influencing Parameters of Tip Blowing Interacting With Rotor Tip Flow

Influencing Parameters of a Tip Blowing Interacting With Rotor Tip Flow

An Experimental Investigation of a Tandem Stator Flow Characteristic in a Low Speed Axial Research Compressor

Tip Gap Variation on a Transonic Rotor in the Presence of Tip Blowing

Impact of Manufacturing Variability on Multi–Stage High–Pressure Compressor Performance

Numerical and Experimental Investigations of a Compressor Cascade Flow With Secondary Air Removal

Impact of Manufacturing Variability on Multistage High-Pressure Compressor Performance

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