超声速低反力度吸附式压气机变工况特性

张龙新; 王松涛; 阮国辉; 刘勋; 王仲奇

doi:10.13224/j.cnki.jasp.2015.04.015

超声速低反力度吸附式压气机变工况特性

doi: 10.13224/j.cnki.jasp.2015.04.015

1. 哈尔滨工业大学发动机气体动力研究中心, 哈尔滨 150001;
2. 中国船舶重工集团公司哈尔滨船舶锅炉涡轮机研究所, 哈尔滨 150078

基金项目:

国家自然科学基金(51206035)

国家自然科学基金创新研究群体项目(51121004)

详细信息

作者简介:
张龙新(1987-),男,吉林蛟河人,博士生,主要从事高负荷压气机设计研究.

中图分类号: V21;TK474.7
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出版历程
- 收稿日期: 2013-11-11
- 刊出日期: 2015-04-28

Characteristics under variant working conditions of a supersonic low-reaction aspirated compressor

1. Engine Aerodynamics Research Centre, Harbin Institute of Technology, Harbin 150001, China;
2. Harbin Boiler and Turbine Institute, China Shipbuilding Industry Corporation, Harbin 150078, China

摘要

摘要: 为探讨非设计点的气动性能,以某3级高负荷低反力度吸附式压气机首级超声速级作为研究对象,借助数值模拟的方法,分别研究了变转速、变抽吸量以及近失速点首级超声速级参数以及内部流场的变化.结果表明:变转速条件下,基于低反力度设计概念研制的吸附式压气机所采用的抽吸方案仍能适应设计要求;减少抽吸量,在降低本级气动性能的同时,增加了其与下一级流动匹配的难度;通过在端壁抽吸槽道前段添加附加抽吸槽道/孔可进一步拓宽吸附式压气机的工作范围.
- 超声速压气机 /
- 低反力度 /
- 抽吸 /
- 变工况 /
- 附面层
Abstract: In order to explore the aerodynamic performance at off-design points, taking an supersonic first stage of three-stage highly-loaded low-reaction aspirated compressor as research objection, the variation of parameters and inner flow filed for an supersonic first stage operating at various speeds, aspiration mass flow rates, and near stall point were investigated by numerical simulations. As a result, the aspiration schemes of the aspirated compressor designed with the low-reaction concept can still meet the design demands at various speeds; the reduction of aspiration mass flow rate will not only decrease the stage aerodynamic performance, but also affect the matching with the next stage; the working range of aspirated compressor can be further broadened by adding additional aspirated slot/holes before the endwall aspiration slot.
- supersonic compressor /
- low-reaction /
- aspiration /
- variant working conditions /
- boundary layer

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参考文献(18)

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