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Journal Articles

Robust Design of Herringbone Grooved Journal Bearings Using Multi-Objective Optimization With Artificial Neural Networks

Soheyl Massoudi, Jürg Schiffmann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2023, 145(11): 111010.
Paper No: TURBO-23-1158
https://doi.org/10.1115/1.4063392
Published Online: October 4, 2023
View Article titled, Robust Design of Herringbone Grooved Journal Bearings Using Multi-Objective Optimization With Artificial Neural Networks
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Topics: Artificial neural networks, Bearings, Design, Journal bearings, Manufacturing, Optimization, Pareto optimization, Robustness, Rotors, Clearances (Engineering)
Journal Articles

Instabilities Everywhere! Hard Problems in Aero-Engines

Zoltán S. Spakovszky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2023, 145(2): 021011.
Paper No: TURBO-21-1198
https://doi.org/10.1115/1.4055424
Published Online: October 14, 2022
View Article titled, Instabilities Everywhere! Hard Problems in Aero-Engines
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Topics: Aircraft engines, Damping, Engines, Whirls, Compressors, Bearings, Rotors, Flow (Dynamics), Flutter (Aerodynamics)
Journal Articles

A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface

Luc Bertolotti, Richard Jefferson Loveday, Stephen Ambrose, Evgenia Korsukova
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121005.
Paper No: TURBO-20-1253
https://doi.org/10.1115/1.4051554
Published Online: July 5, 2021
View Article titled, A Comparison of Volume of Fluid and Euler–Euler Approaches in Computational Fluid Dynamics Modeling of Two-Phase Flows With a Sharp Interface
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Topics: Aircraft engines, Bearings, Computational fluid dynamics, Flow (Dynamics), Fluids, Large eddy simulation, Modeling, Turbulence, Two-phase flow, Simulation
Journal Articles

Thermal Optimization of Air Foil Thrust Bearings Using Different Foil Materials

Markus Rieken, Marcel Mahner, Bernhard Schweizer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101003.
Paper No: TURBO-19-1145
https://doi.org/10.1115/1.4047633
Published Online: September 11, 2020
View Article titled, Thermal Optimization of Air Foil Thrust Bearings Using Different Foil Materials
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Topics: Cooling, Deformation, Disks, Flow (Dynamics), Rotors, Stress, Temperature, Thrust bearings, Pressure, Heat
Journal Articles

Integrated Design and Multi-objective Optimization of a Single Stage Heat-Pump Turbocompressor

J. Schiffmann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. July 2015, 137(7): 071002.
Paper No: TURBO-13-1223
https://doi.org/10.1115/1.4029123
Published Online: July 1, 2015
View Article titled, Integrated Design and Multi-objective Optimization of a Single Stage Heat-Pump Turbocompressor
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Topics: Design, Impellers, Optimization, Rotors, Compressors, Bearings, Heat pumps, Pareto optimization
Journal Articles

Contactless Shaft Torque Detection for Wide Range Performance Measurement of Exhaust Gas Turbocharger Turbines

Bernhardt Lüddecke, Dietmar Filsinger, Jan Ehrhard, Bastian Steinacher, Christian Seene, Michael Bargende
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2014, 136(6): 061022.
Paper No: TURBO-13-1162
https://doi.org/10.1115/1.4025824
Published Online: December 10, 2013
View Article titled, Contactless Shaft Torque Detection for Wide Range Performance Measurement of Exhaust Gas Turbocharger Turbines
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Topics: Friction, Torque, Turbines, Turbochargers, Bearings, Temperature, Torque measurement, Computational fluid dynamics
Journal Articles

Analytical and Numerical Simulations of the Two-Phase Flow Heat Transfer in the Vent and Scavenge Pipes of the CLEAN Engine Demonstrator

Michael Flouros
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011008.
https://doi.org/10.1115/1.3068331
Published Online: September 16, 2009
View Article titled, Analytical and Numerical Simulations of the Two-Phase Flow Heat Transfer in the Vent and Scavenge Pipes of the CLEAN Engine Demonstrator
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Topics: Engines, Flow (Dynamics), Heat transfer, Pipes, Two-phase flow, Vents, Temperature, Computational fluid dynamics, Bearings
Journal Articles

Rotordynamic Force Coefficients of Pocket Damper Seals

B. Ertas, A. Gamal, J. Vance
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 725–737.
https://doi.org/10.1115/1.2221327
Published Online: February 1, 2006
View Article titled, Rotordynamic Force Coefficients of Pocket Damper Seals
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Topics: Bearings, Cavities, Clearances (Engineering), Dampers, Damping, Excitation, Pressure, Rotors, Stiffness, Stators
Journal Articles

Modeling and Experimental Investigation of Micro-hydrostatic Gas Thrust Bearings for Micro-turbomachines

C. J. Teo, Z. S. Spakovszky
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 597–605.
https://doi.org/10.1115/1.2219760
Published Online: February 1, 2005
View Article titled, Modeling and Experimental Investigation of Micro-hydrostatic Gas Thrust Bearings for Micro-turbomachines
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Topics: Hydrostatics, Thrust bearings, Rotors, Pressure, Bearings
Journal Articles

Experimental Investigation and Performance Analysis of Six Low Flow Coefficient Centrifugal Compressor Stages

J. Paroubek, V. Cyrus, J. Kyncˇl
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1995, 117(4): 585–592.
https://doi.org/10.1115/1.2836572
Published Online: October 1, 1995
View Article titled, Experimental Investigation and Performance Analysis of Six Low Flow Coefficient Centrifugal Compressor Stages
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Topics: Compressors, Flow (Dynamics), Impellers, Bearings, Calibration, Disks, Friction, Industrial research, Instrumentation, Leakage
Journal Articles

Simulation of the Secondary Air System of Aero Engines

K. J. Kutz, T. M. Speer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 1994, 116(2): 306–315.
https://doi.org/10.1115/1.2928365
Published Online: April 1, 1994
View Article titled, Simulation of the Secondary Air System of Aero Engines
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Topics: Aircraft engines, Simulation, Algorithms, Bearings, Computer software, Engines, Flow (Dynamics), Nonlinear equations, Two-phase flow, Vents
Journal Articles

The Aerodynamic and Mechanical Performance of a High-Pressure Turbine Stage in a Transient Wind Tunnel

A. G. Sheard, R. W. Ainsworth
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1992, 114(1): 132–140.
https://doi.org/10.1115/1.2927976
Published Online: January 1, 1992
View Article titled, The Aerodynamic and Mechanical Performance of a High-Pressure Turbine Stage in a Transient Wind Tunnel
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Topics: Equipment performance, High pressure (Physics), Transients (Dynamics), Turbines, Wind tunnels, Stress, Aerodynamics, Bearings, Data acquisition, Design