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为了探讨研究出混输泵整体性能最优时的导叶叶片出口安放角值,以自主研制的第三代YQH-100气液混输泵为研究对象,利用Fluent软件中的多体坐标系、标准k-ε模型、Mixture模型及SIMPLE算法,对混输泵导叶叶片出口安放角分别为60°、70°、80°、90°的4种情况,气体体积含气率分别为0、10%～90%的10种工况下进行三维流场数值模拟,绘制混输泵相对扬程、效率随含气率变化曲线.结果表明,导叶叶片出口安放角大小对前级动叶压力面和下级动叶吸力面的流动影响较大;混输泵导叶叶片出口安放角为60°时混输泵整体性能最优.
In order to study the outlet angle value of guide vane at the best performance of mixed pump, the third generation YQH-100 gas-liquid mixed pump developed by ourselves was taken as the research object. By using the multi-body coordinate system in Fluent software, Standard k-ε model, Mixture model and SIMPLE algorithm, the output angles of the vane guide vanes at the outlet of the hybrid pump are respectively 60 °, 70 °, 80 ° and 90 °. The gas volume gas rates are 0, % ~ 90% of the 10 kinds of working conditions of the three-dimensional flow field numerical simulation, draw the relative lift of the mixed pump, efficiency with the gas content of the curve.The results show that the guide vane exit angle of the front bucket pressure surface and The flow of the suction surface of the lower bucket has a greater impact; the overall performance of the mixed pump is optimal when the exit angle of the guide vane of the mixed bucket is 60 °.