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Pressure probe designs for dynamic pressure measurements in a supersonic flow field

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1 Author(s)
Porro, A.R. ; Glenn Res. Center, NASA, Cleveland, OH, USA

A series of dynamic flow field pressure probes were developed for use in large-scale supersonic wind tunnels at NASA Glenn Research Center. These flow field probes include pitot, static, and five-hole conical pressure probes that are capable of capturing fast acting flow field pressure transients that occur on a millisecond time scale. The pitot and static probes can be used to determine local Mach number time histories during a transient event. The five-hole conical pressure probes are used primarily to determine local flow angularity, but can also determine local Mach number. These probes were designed, developed, and tested at the NASA Glenn Research Center. They were also used in a 10- by 10-foot supersonic wind tunnel test program where they successfully acquired flow field pressure data in the vicinity of a propulsion system during an engine compressor stall and inlet unstart transient event. Details of the design, development, and subsequent use of these probes are discussed

Published in:

Instrumentation in Aerospace Simulation Facilities, 2001. 19th International Congress on ICIASF 2001

Date of Conference:

Aug 2001