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Flow Angularity Measurements in the NASA-Langley Transonic Dynamics Tunnel (2005)

Mirick, Paul H. ; Yeager, William T., Jr. ; Rivera, Jose A., Jr. ; [et al.]

In: CASI

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Publication Date: 2019-07-11

Description: An investigation using a survey rake with 11 five-hole pyramid-head probes has been conducted in the Langley Transonic Dynamics Tunnel (TDT) to measure the test section flow angularity. Flow measurements were made in a 10-ft square grid centered about the test section centerline at a single streamwise location for nine Mach numbers ranging from 0.50 to 1.19 at dynamic pressures of 100 and 225 pounds per square foot. Test section flow angularity was found to be minimal with a generally random flow pattern. Corrections for survey rake induced in-plane flow were determined to be necessary; however, corrections for rake induced lift effects were not required.

Keywords: Aerodynamics

Type: NASA/TM-2005-213946 , ARL-TR-3691 , L-19195

Format: application/pdf

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