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Hot-wire coil probe for high-speed flows (1973)

Weinstein, L. M.

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Publication Date: 2011-08-16

Description: Small-diameter-wire coil probes developed for use in a hypersonic helium tunnel are discussed. The springlike properties of the coil minimize strain-gauge effects, and allow to use a higher length-to-diameter ratio for a given flow. In addition, the coil is more rugged for sudden flow changes, and since it can be mounted straight across the support tips, there is less support interference in cross flows. In addition to measuring fluctuating quantities in a boundary layer, the probes were used with a constant temperature anemometer for measuring mean mass flow profiles, and with a constant current anemometer for measuring mean total temperature profiles.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: AIAA Journal; 11; Dec. 197

Format: text

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