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Keywords: rotordynamic force coefficients
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Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A006, June 13–17, 2022
Paper No: GT2022-81839
... (50% or so of nominal) to produce significant savings in drag power losses and without significant effect on the pads metal temperatures that could affect the bearing long-term operation. Keywords: fluid film bearing, rotordynamic force coefficients NOMENCLATURE Cr Bearing radial clearance [m] C...
Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A021, June 13–17, 2022
Paper No: GT2022-83257
... Abstract The current study uses a transient computational fluid dynamic (CFD) analysis to predict the rotordynamic force coefficients for an unshrouded radial inflow expander and labyrinth wheel seal in a high pressure natural gas turboexpander. Direct and cross-coupled terms are predicted...
Proceedings Papers

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A007, June 7–11, 2021
Paper No: GT2021-58771
... journal bearings (TPJBs) with a reduced flow decreases pumping costs and oil sump storage. A low Keywords: fluid film bearing, rotordynamic force coefficients supplied oil flow improves system energy efficiency by reducing drag power losses, albeit the temperature rise in both the bearing INTRODUCTION...
Proceedings Papers

Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 951-961, June 8–12, 2009
Paper No: GT2009-59919
... in the foil bearing forced performance. Gas foil bearing (GFB) thermal energy transport thermohydrodynamics (THD) gas film temperature static load parameters rotordynamic force coefficients Proceedings of ASME Turbo Expo 2009: Power for Land, Sea, and Air GT2009 June 8-12, 2009, Orlando, FL USA...