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Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A027, June 13–17, 2022

Paper No: GT2022-82418

DOI: https://doi.org/10.1115/GT2022-82418

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Topics: Airfoils, Cavities, Compressors, Leakage, Optimization, Stators, Flow (Dynamics), Design, Leakage flows, Geometry

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

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

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

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

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

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

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

Journal citation

NARROW

Manuscript

The New Chapter of Transonic Compressor Cascade Design at the DLR

Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage

Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage

Numerical Analysis of Blade Platform Leakage in Axial Compressors

Design of a Blowing Type Flow Treatment to Complement Casing Treatments for Compact High-Pressure Compressor Rear Stages

Analysis of Cavity Leakage Effects on Coupled Non-Axisymmetric Endwall-Airfoil Optimization in a Low-Speed Compressor Tandem Stator

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

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

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

Reduced-Order Modelling of Rotating Stall

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

Optimization Design Analysis of Primary Surface Recuperator for Rotorcraft Powerplant Applications

Evaluation of the Fuel Saving Potential Regarding Recuperated Helicopter Flight Conditions

Influencing Parameters of Tip Blowing Interacting With Rotor Tip Flow

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