新型两级离心压气机设计及内部流场分析  

Design and Internal-flow Field Analysis of New Two-stage Centrifugal Compressor

作　　者：王晓春[1] 葛炜[1] 卞尔保[1] 杨磊[1] 吴新涛[1] 徐思友[1] 郭然 桑丹 

机构地区：[1]中国北方发动机研究所(天津),天津300400 [2]尤迈克(北京)流体工程技术有限公司,北京100081 [3]北方通用动力集团有限公司,山西大同037036

出　　处：《车用发动机》2013年第5期33-38,共6页Vehicle Engine

摘　　要：针对一款新型两级离心压气机,利用Concepts NREC软件完成了其一维设计,采用NUMECA软件进行了三维数值仿真,并将仿真结果与试验结果进行了对比分析,模拟压比与试验压比最大误差在3%以内,流量最大误差在5%以内。阐述了两级离心压气机在不同转速下失速、高效、堵塞3个工况点的内部流场情况,给出了压气机进一步优化的方向。One dimension design was achieved with Concepts NREC software and the 3D simulation was conducted with NU- MECA software for a new two-stage centrifugal compressor and the simulation and experimental results were compared and an- alyzed. The maximum difference of pressure ratio and flow between simulation and experiment was within 3 % and 5% respec- tively. The internal flow fields of stall, high efficiency and chock under different speeds were discussed and the further direction of optimization was proposed.

关 键 词：两级离心压气机 失速 堵塞 流场分析 仿真 

分 类 号：TK423.52[动力工程及工程热物理—动力机械及工程]