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Proceedings Papers

An Instrumented High-Speed Rotor With Embedded Telemetry for the Continuous Spatial Pressure Profile Measurement in Gas Lubricated Bearings: A Proof of Concept

K. Shalash, J. Schiffmann
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A026, June 17–21, 2019
Paper No: GT2019-90983
DOI: https://doi.org/10.1115/GT2019-90983
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Topics: Bearings, Pressure, Rotors, Telemetry, Bushings, Calibration, Journal bearings, Probes, Flow (Dynamics), Orifices
Proceedings Papers

Pressure Profile Measurements Within the Gas Film of Journal Foil Bearings Using an Instrumented Rotor With Telemetry

K. Shalash, J. Schiffmann
Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A027, June 17–21, 2019
Paper No: GT2019-90984
DOI: https://doi.org/10.1115/GT2019-90984
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Topics: Foil bearings, Pressure, Rotors, Telemetry, Bearings, Probes, Displacement, Fluid films, Journal bearings, Modeling
Proceedings Papers

Comparative Evaluation of Foil Bearings With Different Compliant Structures for Improved Manufacturability

K. Shalash, J. Schiffmann
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT34A014, June 26–30, 2017
Paper No: GT2017-63615
DOI: https://doi.org/10.1115/GT2017-63615
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Topics: Foil bearings, Manufacturing, Bearings, Cantilever beams, Clearances (Engineering), Robustness, Stiffness, Uncertainty, Cantilevers, Displacement
Journal Articles

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

J. Schiffmann
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2015, 137(7): 071002.
Paper No: TURBO-13-1223
DOI: https://doi.org/10.1115/1.4029123
Published Online: July 1, 2015
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Topics: Design, Impellers, Optimization, Rotors, Compressors, Bearings, Heat pumps, Pareto optimization
Proceedings Papers

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

J. Schiffmann
Proc. ASME. IDETC-CIE2013, Volume 3B: 39th Design Automation Conference, V03BT03A031, August 4–7, 2013
Paper No: DETC2013-12180
DOI: https://doi.org/10.1115/DETC2013-12180
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Topics: Design, Heat pumps, Pareto optimization, Optimization, Impellers, Compressors, Pressure, Relaxation (Physics), Rotors, Turbomachinery
Proceedings Papers

Enhanced Groove Geometry for Herringbone Grooved Journal Bearings

J. Schiffmann
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT30A023, June 3–7, 2013
Paper No: GT2013-95464
DOI: https://doi.org/10.1115/GT2013-95464
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Topics: Geometry, Journal bearings, Stability, Bearings, Clearances (Engineering), Manufacturing, Rotors, Compressibility, Design, Gas bearings
Proceedings Papers

Foil Bearing Design Guidelines for Improved Stability

J. Schiffmann, Z. S. Spakovszky
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 701-713, August 12–15, 2012
Paper No: DETC2012-70899
DOI: https://doi.org/10.1115/DETC2012-70899
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Topics: Design, Foil bearings, Stability, Rotors, Bearings, Fluid films, Vibration, Compressibility, Damping, Pressure
Journal Articles

Enhanced Groove Geometry for Herringbone Grooved Journal Bearings

J. Schiffmann
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2013, 135(10): 102501.
Paper No: GTP-13-1211
DOI: https://doi.org/10.1115/1.4025035
Published Online: August 27, 2013
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Topics: Bearings, Clearances (Engineering), Geometry, Rotors, Stability, Design, Journal bearings, Whirls, Pressure
Journal Articles

Foil Bearing Design Guidelines for Improved Stability

J. Schiffmann, Z. S. Spakovszky
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. January 2013, 135(1): 011103.
Paper No: TRIB-12-1022
DOI: https://doi.org/10.1115/1.4007759
Published Online: December 20, 2012
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Topics: Bearings, Damping, Design, Foil bearings, Rotors, Stability, Stress, Whirls, Compressibility
Journal Articles

Integrated Design and Optimization of Gas Bearing Supported Rotors

J. Schiffmann, D. Favrat
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. May 2010, 132(5): 051007.
DOI: https://doi.org/10.1115/1.4001381
Published Online: May 3, 2010
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Topics: Bearings, Design, Optimization, Rotors, Gas bearings, Stability, Journal bearings, Geometry, Turbomachinery