Buoyant Jet Discharges into Finite Ambient Waters

by Iyyanki V. Muralikrishna, Lect.; Ocean Engrg. Centre, Indian Inst. of Tech., Madras, India,
Kandula V.N. Sarma, Asst. Prof.; Dept. of Civ. Engrg., Indian Inst. of Sci., Bangalore, India,

Serial Information: Journal of the Hydraulics Division, 1979, Vol. 105, Issue 5, Pg. 517-532

Document Type: Journal Paper


The paper presents the results of an experimental study regarding the effect of the lateral dimension of the receiving water on the spreading, mixing, and temperature decay of a horizontal buoyant surface jet. The widths of the ambient water in the experiments have been 240, 120, 90 and 60 times the diameter of the jet nozzle. Based on the experimental data, correlations are carried out and empirical equations for prediction of jet width, thickness in vertical direction and longitudinal temperature decay are obtained. The available data of earlier investigators are included to obtain generalized equations for the spreading and temperature decay. Similarity of temperature profiles in the lateral and vertical directions is observed. The longitudinal temperature decay is found to vary inversely with distance in the flow direction and ¼th power of the densimetric Froude number.

Subject Headings: Jets (fluid) | Water discharge | Temperature effects | Decomposition | Water management | Correlation | Empirical equations | Thickness

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