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圆形浸没冲击射流速度与压力梯度的数值计算

Keywords: 冲击射流,数值计算,压力梯度

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Abstract:

通过数值计算,系统地研究了圆形浸没液体冲击射流下速度与压力梯度沿轴向和径向的分布情况.考虑的因素包括射流工质、喷嘴直径、喷嘴至冲击面的距离和射流出口Re数.计算结果表明,压力梯度的径向分布决定了局部换热系数径向分布形状,计算值与实验结果吻合良好.

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