Tests of SSME low pressure pump in liquids at zero throughflowShutdown requirements in space of the Space Shuttle Main Engines require that the low pressure pump operate under conditions of zero flow and zero NPSH and still be able to generate head and absorb torque. Ground tests were conducted in both water and liquid oxygen to verify these capabilities. The test facilities are described, and the test results are presented showing the pump performance at zero flow over a wide range of NPSH conditions including zero values. The influence of operating speed, fluid medium, and internal struts upstream of the inducer are presented. A flow model schematic is presented sketching a flow field in the pump that is consistent with the observed data.
Document ID
19840039533
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Jackson, E. D. (Rockwell International Corp. Canoga Park, CA, United States)
Cook, R. M. (Rockwell International Corp. Rocketdyne Div., Canoga Park, CA, United States)