航空学报 > 2017, Vol. 38 Issue (9): 520949-520949   doi: 10.7527/S1000-6893.2017.620949

航空发动机内流与传热技术发展专栏

离心压气机管式扩压器研究进展及评述

韩戈1, 阳诚武1, 李紫良1,2, 赵胜丰1,2, 卢新根1,2   

  1. 1. 中国科学院工程热物理研究所 轻型动力重点实验室, 北京 100190;
    2. 中国科学院大学, 北京 100190
  • 收稿日期:2016-11-17 修回日期:2017-06-15 出版日期:2017-09-15 发布日期:2017-06-26
  • 通讯作者: 卢新根 E-mail:xingenlu@hotmail.com
  • 基金资助:

    国家自然科学基金(51606187);国防基础科研项目(B1320133025)

A review of studies on pipe diffuser of centrifugal compressor

HAN Ge1, YANG Chengwu1, LI Ziliang1,2, ZHAO Shengfeng1,2, LU Xin'gen1,2   

  1. 1. Key Laboratory of Light-duty Gas-turbine, Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China;
    2. University of Chinese Academy of Sciences, Beijing 100190, China
  • Received:2016-11-17 Revised:2017-06-15 Online:2017-09-15 Published:2017-06-26
  • Supported by:

    National Natural Science Foundation of China (51606187);Defense Industry Technology Development Program (B1320133025)

摘要:

紧凑高效的扩压器设计非常具有挑战性,成为制约高压比离心压气机应用于工程实际的主要技术障碍。管式扩压器是解决高压比离心压气机扩压器设计难题的有效手段。目前管式扩压器已经在国外先进中小型航空发动机中得到了应用,有效地提升了离心压气机性能。本文从管式扩压器设计参数对压气机性能的影响以及管式扩压器内部复杂流动机理研究两个方面对管式扩压器的国内外研究进展进行了回顾,讨论了管式扩压器内部流动机理及其对离心压气机性能的影响,并指出了管式扩压器研究的发展趋势。

关键词: 离心压气机, 管式扩压器, 压气机性能, 内部流动, 非定常流动

Abstract:

It is a great challenge to design a diffuser with both high performance and compact size. The compact and high performance design of diffusers has become the main technical limitation for the application of diffusers on high pressure ratio centrifugal compressors. Using pipe diffusers are recognized as an effective method to solve the tough diffuser design problem for high pressure ratio centrifugal compressors. Pipe diffusers have been used for advanced overseas small and medium jet engines. The performance of the centrifugal compressor has been improved evidently by using pipe diffusers. This review mainly introduces the research development of pipe diffusers home and abroad in two perspectives:first, the influences of design parameters of the pipe diffuser on the stage performance of the centrifugal compressor; second, the complex mechanism of the internal flow in pipe diffusers. The influence of the mechanism of internal flow in pipe diffuser on the performance of the centrifugal compressor is discussed, and some recommendations are made for the development of future research on pipe diffusers.

Key words: centrifugal compressor, pipe diffuser, compressor performance, internal flow, unsteady flow

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