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Journal Articles

Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor

Laura McLaughlin, Stephen Spence, Daniel Rusch, Charles Stuart, Marco Geron, Kwok Kai So, Magnus Fischer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2024, 146(11): 111001.
Paper No: TURBO-23-1125
https://doi.org/10.1115/1.4065373
Published Online: May 23, 2024
View Article titled, Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor
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Topics: Compressors, Design, Diffusers, Flow (Dynamics), Pressure, Shapes
Proceedings Papers

Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor

Laura McLaughlin, Stephen Spence, Daniel Rusch, Charles Stuart, Marco Geron, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78684
https://doi.org/10.1115/GT2022-78684
View Paper titled, Investigation of the Map Width Improvement in a Radially Reduced Diffuser Design Concept for a Centrifugal Compressor
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Topics: Compressors, Computational fluid dynamics, Design, Diffusers
Proceedings Papers

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Michaela R. Beierl, Damian M. Vogt, Magnus Fischer, Tobias R. Müller, Kwok Kai So
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82452
https://doi.org/10.1115/GT2022-82452
View Paper titled, Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
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Topics: Computer simulation, Engines, Excitation, Nozzles, Turbines, Turbochargers, High cycle fatigue, Blades, Combustion, Contamination
Proceedings Papers

Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor

Patrick Amstad, Kwok Kai So, Magnus Fischer
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78306
https://doi.org/10.1115/GT2022-78306
View Paper titled, Machine-Learning Assisted Optimization of Generalized K-Omega (GEKO) Turbulence Model Parameters for Turbocharger Radial Compressor
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Topics: Compressors, Machine learning, Optimization, Turbochargers, Turbulence, Artificial neural networks, Diffusers, Errors, Flow (Dynamics), Pressure
Journal Articles

Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model

Michaela R. Beierl, Damian M. Vogt, Magnus Fischer, Tobias R. Müller, Kwok Kai So
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2023, 145(1): 011011.
Paper No: TURBO-22-1158
https://doi.org/10.1115/1.4055499
Published Online: October 7, 2022
View Article titled, Assessment of Low Engine Order Excitation of a Contaminated Turbocharger Radial Turbine Stage Using a Nozzle Ring Only Computational Model
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Topics: Blades, Excitation, Nozzles, Turbines, Engines, Rotors, Computational fluid dynamics, Simulation, Turbochargers, Contamination
Proceedings Papers

Two-Phase CFD-Calculations for the Design of Water-Based Turbine Cleaning Systems for Turbochargers

Magnus Fischer, Ansgar Weickgenannt
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT48A013, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64332
https://doi.org/10.1115/GT2017-64332
View Paper titled, Two-Phase CFD-Calculations for the Design of Water-Based Turbine Cleaning Systems for Turbochargers
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Topics: Computational fluid dynamics, Design, Turbines, Turbochargers, Water, Sprays, Drops, Stators, Combustion, Cross-flow
Proceedings Papers

A GPU-Accelerated Compressible RANS Solver for Fluid-Structure Interaction Simulations in Turbomachinery

L. Mangani, E. Casartelli, G. Romanelli, Magnus Fischer, A. Gadda, P. Mantegazza
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A022, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57783
https://doi.org/10.1115/GT2016-57783
View Paper titled, A GPU-Accelerated Compressible RANS Solver for Fluid-Structure Interaction Simulations in Turbomachinery
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Topics: Fluid structure interaction, Graphics processing units, Reynolds-averaged Navier–Stokes equations, Simulation, Turbomachinery, Blades, Deformation, Flow (Dynamics), Flutter (Aerodynamics), Computational fluid dynamics
Proceedings Papers

Numerical Investigation of the Flow in a Hydrodynamic Thrust Bearing With Floating Disk

Magnus Fischer, Andreas Mueller, Benjamin Rembold, Bruno Ammann
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 879-890, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68700
https://doi.org/10.1115/GT2012-68700
View Paper titled, Numerical Investigation of the Flow in a Hydrodynamic Thrust Bearing With Floating Disk
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Topics: Disks, Flow (Dynamics), Thrust bearings, Temperature, Thrust, Turbochargers, Bearings, Film thickness, Viscosity, Computer simulation
Journal Articles

Numerical Investigation of the Flow in a Hydrodynamic Thrust Bearing With Floating Disk

Magnus Fischer, Andreas Mueller, Benjamin Rembold, Bruno Ammann
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2013, 135(2): 022502.
Paper No: GTP-12-1303
https://doi.org/10.1115/1.4007775
Published Online: January 8, 2013
View Article titled, Numerical Investigation of the Flow in a Hydrodynamic Thrust Bearing With Floating Disk
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Topics: Bearings, Disks, Flow (Dynamics), Pressure, Temperature, Thrust, Thrust bearings, Turbochargers, Compressors, Turbines
Journal Articles

Large Convective Heat Transfer Enhancement in Microchannels With a Train of Coflowing Immiscible or Colloidal Droplets

Magnus Fischer, Damir Juric, Dimos Poulikakos
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. November 2010, 132(11): 112402.
https://doi.org/10.1115/1.4002031
Published Online: August 13, 2010
View Article titled, Large Convective Heat Transfer Enhancement in Microchannels With a Train of Coflowing Immiscible or Colloidal Droplets
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Topics: Drops, Flow (Dynamics), Fluids, Microchannels, Nanoparticles, Water, Nanofluids, Heat transfer, Temperature, Slug flows