双蜗壳离心泵内部流场数值计算分析汇编.pdfVIP

2009 37 9 15 : 1005 0329 ( 2009) 09 0015 04 双蜗壳离心泵内部流场数值计算分析 , , (, 750050) : CFD , N - S k- SIM PLE , , , , , : ; ; ; ; : TH 311 : A do:i 10. 3969 / . issn. 1005- 0329. 2009. 09. 004 Num erical S im u lation A na ly sis of Flow F ield in the D oub le Vo lu te Cen trifugal Pum p L IU Y i, SONG H ua i de, CHEN J ianx in ( Lanzhou U n ive rsity o f T echno logy, L anzhou 730050, Ch ina) A bstrac t: W ith CFD so ftw are, by taking bo th the reyno lds averaged NS equations and the standard k turbu lence mode lu s ing SIM PLE, num erical s mi u la tion o f the in ternal flow f ield fo r mi pe ller scrollw as carried ou t. By s mi u lating the double vo lute and the transitiona l flow of pressure f ie ld, v elocity f ie ld, ve locity vector distribution even trace the flow o f the threed mi ensional v isua liza tion of the flow regular. the resu lts co inc ided w ith the expermi enta l resu lts. the speed and pressure of resu lts in the u se o f three d ifferen t conditions, the mi pe ller and the transition o f flow Interna l charac teristics of the w ater w as ana ly zed through the results, as w e ll as the structure flow cha racte ristics w as de ta ild to explore the back flow and the mi pact in the double vo lute and the trans i tional flow . K ey w ord s: the doub le vo lute; symm etric; turbu lence; num er ica l smi u la tion; different flow [ 12] 1 , , , , , , PRO /E , , , FLUENT N - S k - , SIM PLEC , ,