Improved slip factor model for centrifugal compressor

张超炜; 董学智; 刘锡阳; 高庆; 谭春青

doi:10.13224/j.cnki.jasp.2018.09.015

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Improved slip factor model for centrifugal compressor

更新时间：2026-07-07

- Improved slip factor model for centrifugal compressor
- Vol. 33, Issue 9, Pages: 2178-2187(2018)
- 作者机构：
  
  1. 中国科学院工程热物理研究所,北京,100190
  2. 中国科学院大学工程科学学院,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2018.09.015
  CLC：
- Published：2018
- 稿件说明：
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张超炜, 董学智, 刘锡阳, 高庆, 谭春青. 改进的离心压气机滑移因子模型[J]. 航空动力学报, 2018, 33(9): 2178-2187.

doi: 10.13224/j.cnki.jasp.2018.09.015
张超炜, 董学智, 刘锡阳, 高庆, 谭春青. 改进的离心压气机滑移因子模型[J]. 航空动力学报, 2018, 33(9): 2178-2187. DOI： 10.13224/j.cnki.jasp.2018.09.015.

doi: 10.13224/j.cnki.jasp.2018.09.015 DOI：

摘要

建立一种基于Qiu模型的改进的离心压气机滑移因子模型。该模型在Qiu模型的基础上，增添二次流项来修正滑移因子，同时考虑了出口叶片角与最大叶片角的差值及相应位置。采用亚声速叶轮Krain4、跨声速叶轮Krain6和IET200叶轮对该改进模型进行CFD验证，并对模型二次流项中常系数c的取值进行讨论。结果表明：与Qiu模型及其他传统滑移因子模型相比，该改进模型的精度较高，平均相对误差在2%以下，适用于亚声速及跨声速离心压气机。

Abstract

An improved slip factor model based on Qiu model for centrifugal compressor was developed. A secondary flow term was added to the Qiu model to correct the slip factor. Furthermore

the difference between the exit blade angle and the maximum blade angle as well as the corresponding position was taken into account. The improved model was verified by CFD with subsonic impeller Krain4

transonic impeller Krain6 and IET200 impeller. The constant coefficient c of the secondary flow was discussed. Compared with the CFD results

there as small error of the improved model. Results showed that compared with Qiu model and other traditional slip factor model

the improved model had higher accuracy

and the average relative error was below 2%. This improved model is suitable for subsonic and transonic centrifugal compressors.

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