On radial film flow on a horizontal surface and the circular hydraulic jump

JAYWANT H ARAKERI, K P ACHUTH RAO

Abstract


This paper deals with the radially flowing film produced by a vertical liquid jet impinging on a horizontal surface.Typically, circular hydraulic jump is formed at some radius. A new integral method to calculate the film flow is proposed. Flow visualization pictures and film thickness measurements for a range of flow rates are presented. Anewly discovered phenomenon of surface wave-induced transition is discussed.

Keywords


Film flow; circular hydraulic jump; transition to turbulence; waves in film flow.

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