期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2019
卷号：240
期号：3
页码：1-16
DOI：10.1088/1755-1315/240/3/032006
出版社：IOP Publishing
摘要：Based on RNG k-ε turbulence model, three-dimensional simulation of a prototype axial flow pump device for an elbow inlet channel. The optimization strategy of the first part and then the whole part is used to optimize the elbow inlet flow channel and then optimize the outlet flow channel through the integral pump device. The optimization results show that the elbow-type inflow channel recommends the optimization of the inflow channel optimization scheme II, hydraulic loss reduced from 3.4cm to 2.8cm, uniformity of flow rate increased from 96.0% to 96.6% according to the comparison and analysis of the inflow channel optimization; for the comparison and analysis of the outlet flow optimization, the siphon outlet flow channel is recommended to optimize the outlet flow optimization scheme VI, the backflow of the outlet flow channel was eliminated and the hydraulic loss was reduced from 31cm to 29cm.;both 1# impeller and 2# impeller meet the pump station operation requirements when the blade installation angle is -4 degrees. From the perspective of full operating conditions, the 2# impeller has the highest efficiency weight.
