【摘要】 通过求解切应力方程,导出了高含沙水流紊流区流变参数的求解公式;根据浑水管道的试验资料,分析了紊流区流变参数随水流强度变化的规律,并在一定范围试验资料基础上,建立了流变参数与有效雷诺数间的经验关系式。更多还原

【Abstract】 By solving turbulent shear stress equation under certain approximate assumption, an equation about rheological parameters of turbulent flow with hyperconcentration of sediment (containing certain quantity of fine particle) were derived. It was shown by analysing pipe experimental data that these parameters were related to both the fluid property and the flow intensity. The variation of these parameters reflects the mutual action between turbulent motion and the network of flocculation structure. Base on the experimental data of pipe flow, the flow-core dimension equation with rheological parameters and flow intensity has been establi-. shed. It can be used as a reference in solving practical engineering problem.更多还原