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Dynamic flow angle measurements at the diffuser exit of a Mach 2.5 mixed compression inlet (1972)

Prati, W. M. ; Calogeras, J. E.

In: CASI

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Publication Date: 2019-06-27

Description: An exploratory investigation was made to determine the magnitude of the dynamic flow angle at a single point in the diffuser exit of a Mach 2.50 inlet. Results indicate that the maximum flow angle variation was + or - 3 degrees except when vortex generators were installed in the subsonic diffuser. The amplitude of these flow angle fluctuations was directly related to the amplitude of the total pressure fluctuations at the probe survey point. Flow angle fluctuations as high as + or - 11 degrees were recorded when vortex generators were installed near the probe survey point.

Keywords: PROPULSION SYSTEMS

Type: NASA-TM-X-2497 , E-6606

Format: application/pdf

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