摘要
从粘性流体的非滑移条件出发，研究了非粘性泥沙的群体沉降问题。在考虑了泥沙颗粒下沉时粘附部分水体下沉对沉速产生的影响后，得到了与实测资料相符合的群体沉速计算式。对吸管颗分法中存在的误差问题进行了讨论，并对该方法作了改进。试验成果证明改进是合理的。
Considering the non slip condition of viscous fluid, this paper describes the problem of group settling of non cohesive sediment particees. A group settling velocity formula is proposed. The calculation results are in good agreement with experiment data. Then , the problem of errors produced by the method of pipette analysis is discussed and improved. The experiment results indicate that this improvement is reasonable.
出处
《长江科学院院报》
CSCD
北大核心
1998年第3期24-27,共4页
Journal of Changjiang River Scientific Research Institute
关键词
泥沙运动
沉降速度
颗粒分析
sediment movement
sedimentation velocity
particle size analysis
