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Steady and Unsteady Simulations of the Flow in an Impeller/Diffuser StageSLI engine designs will require pumps to throttle over a wide flow range while maintaining high performance. Unsteadiness generated by impeller/diffuser interaction is one of the major factors affecting off-design performance. Initial unsteady simulations are completed for impeller/diffuser stage. The Corsair simulations will continue across a wide flow range and for inducer/impeller/diffuser combinations. Results of unsteady simulations are being used to guide and explore new designs.
Document ID
20020044954
Acquisition Source
Marshall Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Canabal, Francisco (NASA Marshall Space Flight Center Huntsville, AL United States)
Dorney, Daniel J. (NASA Marshall Space Flight Center Huntsville, AL United States)
Garcia, Roberto (NASA Marshall Space Flight Center Huntsville, AL United States)
Turner, James E.
Date Acquired
September 7, 2013
Publication Date
January 1, 2002
Subject Category
Fluid Mechanics And Thermodynamics
Meeting Information
Meeting: JANNAF Interagency Propulsion Committee Meeting
Location: Destin, FL
Country: United States
Start Date: April 8, 2002
End Date: April 12, 2002
Sponsors: Department of the Navy, Department of the Air Force, Department of the Army, NASA Headquarters
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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