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Ethylene Trace-gas Techniques for High-speed Flows (1994)

Reichert, Bruce A. ; Davis, David O.

In: CASI

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Publication Date: 2019-07-13

Description: Three applications of the ethylene trace-gas technique to high-speed flows are described: flow-field tracking, air-to-air mixing, and bleed mass-flow measurement. The technique involves injecting a non-reacting gas (ethylene) into the flow field and measuring the concentration distribution in a downstream plane. From the distributions, information about flow development, mixing, and mass-flow rates can be dtermined. The trace-gas apparatus and special considerations for use in high-speed flow are discussed. A description of each application, including uncertainty estimates is followed by a demonstrative example.

Keywords: AERODYNAMICS

Type: NASA-TM-106491 , AIAA PAPER 94-0733 , E-8478 , NAS 1.15:106491 , Aerospace Meeting and Exhibit; Jan 10, 1994 - Jan 13, 1994; Reno, NV; United States

Format: application/pdf

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