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Journal Articles

Effects of Rotation on the Flow Structure in a Compressor Cascade

Jordi Ventosa-Molina, Björn Koppe, Martin Lange, Ronald Mailach, Jochen Fröhlich

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

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Topics: Blades, Coriolis force, Flow (Dynamics), Rotation, Vortices, Cascades (Fluid dynamics), Pressure, Simulation

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

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Topics: Aerodynamics, Compressors, Large eddy simulation, Rotors, Simulation, Turbomachinery

Proceedings Papers

Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level

Andriy Prots, Matthias Voigt, Ronald Mailach, Philip Magin, Florian Danner

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A012, June 7–11, 2021

Paper No: GT2021-59442

DOI: https://doi.org/10.1115/GT2021-59442

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Topics: Uncertainty, Computational fluid dynamics, Boundary-value problems, Geometry, Compressors, Design, Jet engines, Measurement uncertainty, Sensors

Proceedings Papers

Multidisciplinary Sensitivity Analysis of the Cooling System of a High-Pressure Turbine Blade in the Pre-Design Phase

Barbara Fiedler, Yannick Muller, Matthias Voigt, Ronald Mailach

Paper No: GT2021-58507

DOI: https://doi.org/10.1115/GT2021-58507

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Topics: Cooling, Cooling systems, Design, High pressure (Physics), Sensitivity analysis, Turbine blades

Proceedings Papers

Improved Rotor Design With Combined 3D-2D Probabilistic Approach

Lukas Schuchard, Matthias Voigt, Ronald Mailach, Peter Dumstorff, Armin de Lazzer, Henning Almstedt

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT27A002, June 7–11, 2021

Paper No: GT2021-58620

DOI: https://doi.org/10.1115/GT2021-58620

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Topics: Design, Rotors, Blades, Stress, Transients (Dynamics), Steam turbines, Thermomechanics, Boundary-value problems, Low cycle fatigue, Pressure

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

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Topics: Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Rotation, Turbulence, Coriolis force, Engineering simulation, Rotors, Simulation, Blades

Journal Articles

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

Björn Koppe, Martin Lange, Ronald Mailach

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

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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

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

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Topics: Flow (Dynamics), Pressure, Valves, Diffusers

Proceedings Papers

A Statistical Study on HCF Validation Data for Axial Gas Turbine Compressor Blades

Lukas C. Schuchard, Stefano Cerutti, Matthias Voigt, Ronald Mailach

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A015, September 21–25, 2020

Paper No: GT2020-14946

DOI: https://doi.org/10.1115/GT2020-14946

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Topics: Blades, Compressors, Gas turbines, High cycle fatigue, Coordinate measuring machines, Geometry, Machinery, Airfoils, Chain, Design

Proceedings Papers

Introduction of a Novel Parameter Model to Analyze the Geometric Variation of Airfoil Edges of Ex-In-Service Compressor Airfoils

Paul Voigt, Matthias Voigt, Ronald Mailach, Kimon Abu-Taa, Mirco Rostamian

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A011, September 21–25, 2020

Paper No: GT2020-14668

DOI: https://doi.org/10.1115/GT2020-14668

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Topics: Airfoils, Compressors, Shapes, Design, Electromagnetic scattering, Engines, Erosion, Manufacturing, Diluents, Geometry

Proceedings Papers

Improved Quality Assessment of Probabilistic Simulations and Application to Turbomachinery

Andriy Prots, Lars Högner, Matthias Voigt, Ronald Mailach, Florian Danner

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A027, September 21–25, 2020

Paper No: GT2020-16147

DOI: https://doi.org/10.1115/GT2020-16147

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Topics: Simulation, Turbomachinery, Blades, Computational fluid dynamics, Accounting, Aerospace engineering, Computer software, Errors, Mechanical efficiency, Rotors

Proceedings Papers

Comparison of Two Methods for the Sensitivity Analysis of a One-Dimensional Cooling Flow Network of a High-Pressure-Turbine Blade

Barbara Fiedler, Yannick Muller, Matthias Voigt, Ronald Mailach

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A030, September 21–25, 2020

Paper No: GT2020-16295

DOI: https://doi.org/10.1115/GT2020-16295

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Topics: Blades, Cooling, Flow (Dynamics), Pressure, Sensitivity analysis, Turbines

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

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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

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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

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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

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

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Topics: Blades, Compressors, Flow (Dynamics), Pressure, Vortices, Cascades (Fluid dynamics), Computer simulation

Journal Articles

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part A: Holistic Description of Manufacturing Variability

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger

J. Turbomach. October 2020, 142(10): 101008.

Paper No: TURBO-20-1028

DOI: https://doi.org/10.1115/1.4047778

Published Online: September 15, 2020

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Topics: Airfoils, Blades, Design, Electromagnetic scattering, Finite element analysis, Geometry, High pressure (Physics), Manufacturing, Measurement uncertainty, Optimization

Journal Articles

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part B: Probabilistic Analysis

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger

J. Turbomach. October 2020, 142(10): 101009.

Paper No: TURBO-20-1029

DOI: https://doi.org/10.1115/1.4047779

Published Online: September 15, 2020

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Topics: Airfoils, Blades, Chain, Creep, Design, Finite element analysis, Geometry, High pressure (Physics), Manufacturing, Robustness

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

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

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Topics: Cooling, Flow (Dynamics), Heat transfer, Film cooling

Proceedings Papers

High Pressure Compressor Aerodynamic Performance at Uncertain Boundary Conditions

Philip Magin, Florian Danner, Matthias Voigt, Ronald Mailach

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A022, June 17–21, 2019

Paper No: GT2019-90908

DOI: https://doi.org/10.1115/GT2019-90908

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Topics: Boundary-value problems, Compressors, High pressure (Physics), Engines, Uncertainty, Computational fluid dynamics, Cycles, Flight, Turbomachinery, Accounting

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Journal citation

NARROW

Effects of Rotation on the Flow Structure in a Compressor Cascade

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

Probabilistic Approach for Optimizing Uncertainties of Input Variables to Reach a Desired Confidence Level

Multidisciplinary Sensitivity Analysis of the Cooling System of a High-Pressure Turbine Blade in the Pre-Design Phase

Improved Rotor Design With Combined 3D-2D Probabilistic Approach

Effects of Rotation on the Flow Structure in a Compressor Cascade

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

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

A Statistical Study on HCF Validation Data for Axial Gas Turbine Compressor Blades

Introduction of a Novel Parameter Model to Analyze the Geometric Variation of Airfoil Edges of Ex-In-Service Compressor Airfoils

Improved Quality Assessment of Probabilistic Simulations and Application to Turbomachinery

Comparison of Two Methods for the Sensitivity Analysis of a One-Dimensional Cooling Flow Network of a High-Pressure-Turbine Blade

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

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

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

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

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part A: Holistic Description of Manufacturing Variability

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part B: Probabilistic Analysis

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

High Pressure Compressor Aerodynamic Performance at Uncertain Boundary Conditions

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