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静止环境中的倾斜浮力射流是环境水力学中的基本流态之一。本文给出了一种浮力射流的积分模型,流速和密度差剖面假定为高斯分布,并导出掺入率与当地密度弗劳德数的关系以封闭控制方程。用四阶龙格—库塔法计算这类定解问题。计算结果与试验资料吻合得很好。
Tilting buoyant jets in static environment is one of the basic fluid states in environmental hydraulics. In this paper, an integral model of buoyancy jet is presented. The profile of flow rate and density difference is assumed to be Gaussian distribution. The relationship between the incorporation rate and the local density Froude number is derived to close the governing equation. Fourth-order Runge-Kutta method to solve such problems. The calculated results are in good agreement with the experimental data.