Flow characteristics of a Jet Adjacent to a Plane Wall : 2nd Report, Jet Impinging on Inclined Adjacent Wall

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Flow characteristics of a two-dimensional air jet issuing from a nozzle of 5mm in height and impinging against an inclined wall, which has the vertical distance L between its leading edge and the jet axis plane and an angle θ of 15°-45° against the plane, have been experimentally and analytically investigated. The maximum velocity profile in the flow direction was predicted semi-theoretically in the upper stream area and analyzed in the wall jet area by the same numerical method as taken in our previous report. The momentum flux decreases along the wall owing to the impingement and so on, the coefficient of the momentum decrease ηm at the cross section of s/t=140(s:distance along the main stream line, t:nozzle height) is in the range of 0.85 to 0.55.

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  • Bulletin of JSME

    Bulletin of JSME 27 (224), 188-195, 1984

    一般社団法人 日本機械学会

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