摘要
采用CFD软件通过大涡模拟,基于正交设计法对旋流自吸泵泵体进行了优化设计,研究了泵体各几何参数对旋流自吸泵性能的影响。设计了一个4因素3水平的正交方案,对数值计算的数据作了极差分析,得到了各几何参数对设计点扬程、效率,最优点的扬程、效率及最大自吸高度5个性能指标的影响的主次顺序。对于数据处理结果,通过综合平衡法分析得出了最优的参数组合。并对得到的最优参数组合进行性能试验,验证了理论计算的可靠性。计算及分析结果对旋流自吸泵性能优化设计具有一定的参考价值。
Based on orthogonal design, optimization design of rotational flow self-priming pump was done through large eddy model simulation （LES） by using CFD software, and the influence of pump body geometrical parameters on its performance was studied. Orthogonal scheme of four factors and three levels was designed, and the influence orders of geometrical parameters on head and efficiency at design point, head and efficiency at the best efficiency point, and maximum self-suction height were gotten by using range analysis of the calculated data. The optimal parameter combination was received by comprehensive balance analysis of the disposed data result. And performance test of optimal parameter combination was accomplished, and the reliability of theoretical calculation was proved. The calculation and analysis results were instructive to the optimization design of rotational flow self-priming pump.
出处
《农业工程学报》
EI
CAS
CSCD
北大核心
2009年第11期146-151,F0004,共7页
Transactions of the Chinese Society of Agricultural Engineering
基金
国家自然科学基金资助项目(50776040)
关键词
旋流
泵
优化
设计
大涡模拟
rotational flow, pumps, optimization, design, large eddy model simulation （LES）
