Constant-temperature hot-wire anemometer practice in supersonic flows. II - The inclined wireThe performance of a constant-temperature inclined hot-wire in a supersonic flow is critically examined. It is shown that calibration techniques applicable to subsonic flow, such as the cosine cooling law cannot be used when the flow is supersonic. Calibration and measurement procedures appropriate to supersonic flow are suggested, together with the possible limits on their validity. Experimental results for different wires indicate that the sensitivities do not seem to depend on flow direction according to any simple correlation. When the sensitivity exhibits a strong dependence on flow direction, the wire should be discarded to avoid errors due to nonlinear effects.
Document ID
19830035538
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Smits, A. J. (Princeton Univ. NJ, United States)
Muck, K. C. (Princeton University Princeton, NJ, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1983
Subject Category
Instrumentation And Photography
Report/Patent Number
AIAA PAPER 83-0508
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting