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二维孔口自由紊流射流探讨张长高（环境工程系）１基本方程与脉动粘性系数ｖＴ，二维孔口自由紊流射流的基本方程是采用Ｂｏｕｓｓｉｎｅｓｑ，Ｊ．假设，脉动切应力式（１）（２）（３）中ｘ，ｙ—直角坐标，ｘ轴落在射流中心线上；Ｕｉ—统计平均流速；ｕｉ—脉动流速；...
Zhang Changgao (Department of Environmental Engineering) 1 The basic equation and the pulsating viscosity coefficient vT, the basic equation of a two-dimensional orifice free turbulent jet is Boussinesq, J. Hypothesis, pulse shear stress (1) (2) (3) x, y-rectangular coordinates, x-axis falls on the jet centerline; Ui-statistical average flow rate; ui-pulsatile flow rate; ...