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Journal Articles

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071015.
Paper No: TURBO-22-1238
DOI: https://doi.org/10.1115/1.4056863
Published Online: March 2, 2023
View Article titled, Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Rotors
Proceedings Papers

Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A014, June 13–17, 2022
Paper No: GT2022-82101
DOI: https://doi.org/10.1115/GT2022-82101
View Paper titled, Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor
Click here to open pdf in another window PDF for Influence of Casing Groove on Rotating Instabilities in a Low-Speed Axial Compressor
Topics: Compressors, Flow (Dynamics)
Journal Articles

Effects of Rotation on the Flow Structure in a Compressor Cascade

Jordi Ventosa-Molina, Björn Koppe, Martin Lange, Ronald Mailach, Jochen Fröhlich
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081006.
Paper No: TURBO-21-1247
DOI: https://doi.org/10.1115/1.4053537
Published Online: March 3, 2022
View Article titled, Effects of Rotation on the Flow Structure in a Compressor Cascade
Click here to open pdf in another window PDF for Effects of Rotation on the Flow Structure in a Compressor Cascade
Topics: Blades, Coriolis force, Flow (Dynamics), Rotation, Vortices, Cascades (Fluid dynamics), Pressure, Simulation
Proceedings Papers

Effects of Rotation on the Flow Structure in a Compressor Cascade

Jordi Ventosa-Molina, Björn Koppe, Martin Lange, Ronald Mailach, Jochen Fröhlich
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A016, June 7–11, 2021
Paper No: GT2021-58793
DOI: https://doi.org/10.1115/GT2021-58793
View Paper titled, Effects of Rotation on the Flow Structure in a Compressor Cascade
Click here to open pdf in another window PDF for Effects of Rotation on the Flow Structure in a Compressor Cascade
Topics: Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Rotation, Turbulence, Coriolis force, Engineering simulation, Rotors, Simulation, Blades
Proceedings Papers

Performance of Unsteady Reynolds-Averaged Navier-Stokes and Hybrid Scale-Resolving Simulation Approaches in Simulating a Low-Speed Axial Compressor Rotor

Xiangyi Chen, Björn Koppe, Martin Lange, Wuli Chu, Ronald Mailach
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A010, June 7–11, 2021
Paper No: GT2021-59028
DOI: https://doi.org/10.1115/GT2021-59028
View Paper titled, Performance of Unsteady Reynolds-Averaged Navier-Stokes and Hybrid Scale-Resolving Simulation Approaches in Simulating a Low-Speed Axial Compressor Rotor
Click here to open pdf in another window PDF for Performance of Unsteady Reynolds-Averaged Navier-Stokes and Hybrid Scale-Resolving Simulation Approaches in Simulating a Low-Speed Axial Compressor Rotor
Topics: Aerodynamics, Compressors, Large eddy simulation, Rotors, Simulation, Turbomachinery
Journal Articles

Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator

Björn Koppe, Martin Lange, Ronald Mailach
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091016.
Paper No: TURBO-20-1402
DOI: https://doi.org/10.1115/1.4050628
Published Online: May 12, 2021
View Article titled, Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator
Click here to open pdf in another window PDF for Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator
Topics: Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), Pressure, Stators, Vortices, Compressors, Leakage, Boundary layers
Journal Articles

Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve

Christian Windemuth, Martin Lange, Ronald Mailach
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081017.
Paper No: GTP-20-1603
DOI: https://doi.org/10.1115/1.4049763
Published Online: March 31, 2021
View Article titled, Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve
Click here to open pdf in another window PDF for Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve
Topics: Flow (Dynamics), Pressure, Valves, Diffusers
Proceedings Papers

Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve

Christian Windemuth, Martin Lange, Ronald Mailach
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A009, September 21–25, 2020
Paper No: GT2020-14632
DOI: https://doi.org/10.1115/GT2020-14632
View Paper titled, Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve
Click here to open pdf in another window PDF for Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve
Topics: Fluctuations (Physics), Pressure, Steam turbines, Valves, Stress, Flow (Dynamics), Shapes, Boilers, Couplings, Diffusers
Proceedings Papers

Study of Relative Endwall Motion Effects in a Compressor Cascade Through Direct Numerical Simulations

Jordi Ventosa-Molina, Martin Lange, Ronald Mailach, Jochen Fröhlich
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A025, September 21–25, 2020
Paper No: GT2020-14612
DOI: https://doi.org/10.1115/GT2020-14612
View Paper titled, Study of Relative Endwall Motion Effects in a Compressor Cascade Through Direct Numerical Simulations
Click here to open pdf in another window PDF for Study of Relative Endwall Motion Effects in a Compressor Cascade Through Direct Numerical Simulations
Topics: Cascades (Fluid dynamics), Compressors, Computer simulation, Blades, Flow (Dynamics), Leakage, Pressure, Turbomachinery, Vortices, Wakes
Proceedings Papers

Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator

Björn Koppe, Martin Lange, Ronald Mailach
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A061, September 21–25, 2020
Paper No: GT2020-15940
DOI: https://doi.org/10.1115/GT2020-15940
View Paper titled, Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator
Click here to open pdf in another window PDF for Influence of Boundary Layer Skew on the Tip Leakage Vortex of an Axial Compressor Stator
Topics: Boundary layers, Compressors, Leakage, Stators, Vortices, Flow (Dynamics), Chords (Trusses), Clearances (Engineering), Computational fluid dynamics, Engineering simulation
Journal Articles

Study of Relative Endwall Motion Effects in a Compressor Cascade Through Direct Numerical Simulations

Jordi Ventosa-Molina, Martin Lange, Ronald Mailach, Jochen Fröhlich
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. January 2021, 143(1): 011005.
Paper No: TURBO-20-1227
DOI: https://doi.org/10.1115/1.4049101
Published Online: December 28, 2020
View Article titled, Study of Relative Endwall Motion Effects in a Compressor Cascade Through Direct Numerical Simulations
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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Vortices, Cascades (Fluid dynamics), Computer simulation
Journal Articles

Experimental Study on the Influence of Film Cooling Hole Extraction on Heat Transfer and Flow Field in Internal Ribbed Cooling Channels of Turbine Blades

Marlene Böttger, Martin Lange, Ronald Mailach, Konrad Vogeler
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101005.
Paper No: TURBO-19-1166
DOI: https://doi.org/10.1115/1.4047608
Published Online: September 14, 2020
View Article titled, Experimental Study on the Influence of Film Cooling Hole Extraction on Heat Transfer and Flow Field in Internal Ribbed Cooling Channels of Turbine Blades
Click here to open pdf in another window PDF for Experimental Study on the Influence of Film Cooling Hole Extraction on Heat Transfer and Flow Field in Internal Ribbed Cooling Channels of Turbine Blades
Topics: Cooling, Flow (Dynamics), Heat transfer, Film cooling
Proceedings Papers

The Influence of Circumferential Grooves on the Flutter Stability of a Transonic Fan

Matthias Kniefs, Martin Lange, Ronald Mailach, Senad Iseni, Derek Micallef, Francesca di Mare
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT36A017, June 11–15, 2018
Paper No: GT2018-76422
DOI: https://doi.org/10.1115/GT2018-76422
View Paper titled, The Influence of Circumferential Grooves on the Flutter Stability of a Transonic Fan
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Topics: Flutter (Aerodynamics), Stability, Computational fluid dynamics, Blades, Fluid structure interaction, Simulation, Traveling waves, Vibration, Aerodynamic noise, Aerodynamics
Journal Articles

Periodic Unsteady Tip Clearance Vortex Development in a Low-Speed Axial Research Compressor at Different Tip Clearances

Martin Lange, Matthias Rolfes, Ronald Mailach, Henner Schrapp
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2018, 140(3): 031005.
Paper No: TURBO-17-1181
DOI: https://doi.org/10.1115/1.4038319
Published Online: December 20, 2017
View Article titled, Periodic Unsteady Tip Clearance Vortex Development in a Low-Speed Axial Research Compressor at Different Tip Clearances
Click here to open pdf in another window PDF for Periodic Unsteady Tip Clearance Vortex Development in a Low-Speed Axial Research Compressor at Different Tip Clearances
Topics: Blades, Clearances (Engineering), Compressors, Flow (Dynamics), Pressure, Rotors, Stators, Vortices, Wakes, Design
Journal Articles

Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low-Speed Axial Research Compressor at Different Tip Clearances

Matthias Rolfes, Martin Lange, Konrad Vogeler, Ronald Mailach
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121009.
Paper No: TURBO-17-1125
DOI: https://doi.org/10.1115/1.4037822
Published Online: October 3, 2017
View Article titled, Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low-Speed Axial Research Compressor at Different Tip Clearances
Click here to open pdf in another window PDF for Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low-Speed Axial Research Compressor at Different Tip Clearances
Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Pressure, Rotors, Blades, Leakage, Computational fluid dynamics, Chords (Trusses), Vortices
Proceedings Papers

Periodic Unsteady Tip Clearance Vortex Development in a Low Speed Axial Research Compressor at Different Tip Clearances

Martin Lange, Matthias Rolfes, Ronald Mailach, Henner Schrapp
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A023, June 26–30, 2017
Paper No: GT2017-64256
DOI: https://doi.org/10.1115/GT2017-64256
View Paper titled, Periodic Unsteady Tip Clearance Vortex Development in a Low Speed Axial Research Compressor at Different Tip Clearances
Click here to open pdf in another window PDF for Periodic Unsteady Tip Clearance Vortex Development in a Low Speed Axial Research Compressor at Different Tip Clearances
Topics: Clearances (Engineering), Compressors, Vortices, Rotors, Stators, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Turbulence, Wakes
Proceedings Papers

Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low Speed Axial Research Compressor at Different Tip Clearances

Matthias Rolfes, Martin Lange, Konrad Vogeler, Ronald Mailach
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A003, June 26–30, 2017
Paper No: GT2017-63051
DOI: https://doi.org/10.1115/GT2017-63051
View Paper titled, Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low Speed Axial Research Compressor at Different Tip Clearances
Click here to open pdf in another window PDF for Experimental and Numerical Investigation of a Circumferential Groove Casing Treatment in a Low Speed Axial Research Compressor at Different Tip Clearances
Topics: Compressors, Clearances (Engineering), Pressure, Rotors, Chords (Trusses), Blades, Flow (Dynamics), High pressure (Physics), Pressure measurement, Probes
Proceedings Papers

Effects of Turbulent Boundary Conditions on the Prediction of the Secondary Flow Field in a Linear Compressor Cascade

Peter Busse, Andreas Krug, Martin Lange, Konrad Vogeler, Ronald Mailach
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A011, June 13–17, 2016
Paper No: GT2016-56455
DOI: https://doi.org/10.1115/GT2016-56455
View Paper titled, Effects of Turbulent Boundary Conditions on the Prediction of the Secondary Flow Field in a Linear Compressor Cascade
Click here to open pdf in another window PDF for Effects of Turbulent Boundary Conditions on the Prediction of the Secondary Flow Field in a Linear Compressor Cascade
Topics: Boundary-value problems, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Turbulence, Boundary layers, Channel flow, Clearances (Engineering), Differential equations, Energy dissipation
Proceedings Papers

Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor

Matthias Rolfes, Martin Lange, Konrad Vogeler
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A021, June 15–19, 2015
Paper No: GT2015-42646
DOI: https://doi.org/10.1115/GT2015-42646
View Paper titled, Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor
Click here to open pdf in another window PDF for Experimental Investigation of Circumferential Groove Casing Treatments for Large Tip Clearances in a Low Speed Axial Research Compressor
Topics: Compressors, Rotors, Annulus, Chords (Trusses), Clearances (Engineering), Flow (Dynamics), High pressure (Physics), Probes, Transients (Dynamics)
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
View Paper titled, An Experimental Investigation of a Tandem Stator Flow Characteristic in a Low Speed Axial Research Compressor
Click here to open pdf in another window PDF for An Experimental Investigation of a Tandem Stator Flow Characteristic in a Low Speed Axial Research Compressor
Topics: Compressors, Flow (Dynamics), Stators, Design, Blades, Fluids, Guide vanes, High pressure (Physics), Jet engines, Power density