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RISDifferentiating Rotor Response Due to Radial Rubbing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Among the factors leading to destructive instability of rotors in high-speed, high-performance turbomachinery is excessive rubbing between rotating and stationary parts. Although in many designs ...
Improved Rotor Response of the Uprated High Pressure Oxygen Turbopump for the Space Shuttle Main Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During development testing of the High Pressure Oxygen Turbopump (HPOTP) of the Space Shuttle Main Engine (SSME) to produce 109 percent of the rated thrust level, subsynchronous rotor whirl was ...
Hydrostatic Damper for the Space Shuttle Main Engine (SSME) High Pressure Oxidizer Turbopump (HPOTP)
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Alternative methods were evaluated for increasing rotor damping on the SSME HPOTP to reduce bearing dynamic loads and extend their useful life. A unique application of a hydrostatic damper was ...