NASA NTRS · 20020050506
Deep Throttle Turbopump Technology Design Concepts
Abstract
The objective of this project is to increase the throttling range of turbopumps from 30 to 120% of the design value, while maintaining high performance levels. Details are given on wide flow range issues, H-Q characteristics, stall characteristics, energy levels, pressure fluctuations at impeller exit, WFR impeller characteristics, commercial diffuser pumps, slotted or tandem vanes, leading edge characteristics, leading edge models, throat models, diffusion passage models, computational fluid dynamics (CFD) methodologies, and CFD flow cases.
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Guinzburg, Adiel, Williams, Morgan, Ferguson, Tom, Garcia, Roberto. 2002-01-01. Deep Throttle Turbopump Technology Design Concepts. https://ntrs.nasa.gov/citations/20020050506
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