【摘要】 用数值计算方法研究圆管内带有局部起旋器的螺旋流运动 ,在流场计算中 ,利用有限差分法对柱坐标系下的三维 N- S方程组进行差分离散 ,建立了边界条件和初始条件下的三维计算模型 ,获得了计算区域内的流场信息。并将数值模拟的结果与实验数据进行了对比和分析 ,两者基本相符 ,为圆管螺旋流的研究提供了一条有效途径更多还原

【Abstract】 Use the method of numerical simulation to study spiral flow movement in circular pipe with generator of a part of pipe.In calallating flow fluid,the finite difference method is applice to discretizate 3D N S equation group in cylindrical coordimaters system.3D calculation model with boundary and initial conditions is formed to obtain the space information in colculated Space.By contrasting the result of simulation with experimental data,they are basically in accordance,which proride an efficient way for the study of spiral flow in circular pipe.更多还原