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Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A007, June 13–17, 2022

Paper No: GT2022-83123

DOI: https://doi.org/10.1115/GT2022-83123

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Topics: Selection algorithm, Sensitivity analysis, Turbine blades, Fittings, Aerospace industry, Complex systems, Polynomials, Reliability, Support vector machines

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

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Topics: Compressors, Flow (Dynamics)

Proceedings Papers

Impact of Epistemic Uncertainty on Performance Parameters of Compressor Blades

Andriy Prots, Lukas Schlüter, Matthias Voigt, Ronald Mailach, Marcus Meyer

Paper No: GT2022-82579

DOI: https://doi.org/10.1115/GT2022-82579

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Topics: Blades, Compressors, Uncertainty, Density, Optical measurement, Probability, Chords (Trusses), Design, Gaussian distribution, Manufacturing

Proceedings Papers

The Validation of a Parametric Leading Edge Model for Probabilistic CFD Analyses of Post-Service Compressor Airfoils

Lukas Schlüter, Paul Voigt, Matthias Voigt, Ronald Mailach, Robin Schmidt, Mirco Rostamian, Bernd Becker

Paper No: GT2022-78309

DOI: https://doi.org/10.1115/GT2022-78309

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Topics: Airfoils, Compressors, Computational fluid dynamics, Shapes, Rotors, Blades, Electromagnetic scattering, Flow simulation, High pressure (Physics), Jet engines

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

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

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

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

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

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

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

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

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

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Journal citation

NARROW

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

A Methodology for a Coupled Structural–Computational Fluid Dynamics Analysis of Compressor Rotor Blades Subjected to Ice Impact With Uncertain Impactor Parameters

Application of an Advanced Meta Model Selection Algorithm on the Sensitivity Analysis of a Cooled Turbine Blade

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

Impact of Epistemic Uncertainty on Performance Parameters of Compressor Blades

The Validation of a Parametric Leading Edge Model for Probabilistic CFD Analyses of Post-Service Compressor Airfoils

Effects of Rotation on the Flow Structure in a Compressor Cascade

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

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

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

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

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

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

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