对“巴伦布朗特挟沙水流时均运动方程”的讨论
Discussion on Barenblatt’s Equations of Mean Movement of the Inhomogeneous Fluid
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摘要: 本文通过推导证明:认为巴伦布朗特的挟沙水流运动方程,采用了液体不均质性只影响重力项的假定后,使时间平均运动方程难于成立.本文同时给出了挟沙水流时间平均运动方程的准确形式.Abstract: In this paper, it is proved that Barenblatt's equation of mean movement of the inhomogeneous fluid is not correct, because his equations are based on the assumption that the characteristics of inhomogeneity of fluid are only affected with respect to gravitational terms. The correct form of the equation of mean movement of the inhomogeneous fluid is derived in this paper.
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[1] Г.Н Баренблатт《论紊流中的悬浮质运动》,水利出版社. [2] 蔡树棠,关于巴伦卜拉脱浮沙运动一般理论和旧重力理论及扩散理论间的关系的一个说明,地球物理学报,第4卷第1期 [3] 吴德一,《从挟沙水流能量方程论重力理论》,水利水电科学研究院(1980). -
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