Buoyant Jets in Density‐Stratified Crossflow

Abstract
Analysis is performed to predict the maximum and equilibrium heights‐of‐rise for vertical round jets discharged into a linearly stratified crossflow. Approximate relations for minimum dilution at the maximum height of rise is also presented. Length scales describing the interaction of a buoyant jet with the crossflow and stratification are presented. Various asymptotic solutions can be developed with the use of dimensional analysis and physical reasoning; their applicability depends upon the relative magnitudes of the different length scales. Experimental results were obtained to determine the values of the appropriate coefficients in the various asymptotic solutions. These were obtained by towing a buoyant jet discharge at constant velocity through a stagnant, stratified fluid. Measurements of maximum and equilibrium rise heights were obtained along with concentration profiles at the maximum height‐of‐rise. The results indicate that the approximate solutions can be applied if the coefficients in the vari...

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