Improved streamline curvature throughflow method and its application in a bypass compression system design

SHAO Fu-yong; YANG Jin-guang; LIU Zhen-de; HU Jun

Chinese

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Improved streamline curvature throughflow method and its application in a bypass compression system design

更新时间：2026-07-07

- Improved streamline curvature throughflow method and its application in a bypass compression system design
- Vol. 23, Issue 6, (2008)
- 作者机构：
  
  1. 南京航空航天大学能源与动力学院,南京,210016
  2. 北京动力机械研究所,北京,100074
  3. 哈尔滨工业大学能源科学与工程学院,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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SHAO Fu-yong, YANG Jin-guang, LIU Zhen-de, et al. Improved streamline curvature throughflow method and its application in a bypass compression system design[J]. 2008, 23(6).
DOI：

SHAO Fu-yong, YANG Jin-guang, LIU Zhen-de, et al. Improved streamline curvature throughflow method and its application in a bypass compression system design[J]. 2008, 23(6). DOI：

摘要

基于轴对称的S2流面理论

发展了一套流线曲率通流计算方法.为了提高计算的收敛性、稳定性和计算精度

对求解过程中的流线曲率计算、松弛因子的选取等方面进行了改进;提出了一种简单易行的叶片力的处理方法

使得该方法可以计算叶片排以内的区域;为了计算风扇和轴流、离心以及组合压气机构成的双涵道压缩系统

发展了一种计算速度快、稳定性好的双涵道计算方法.最后将改进的通流计算方法用于一双涵道压缩系统的反设计

验证了其可行性.

Abstract

Based on axisymmetric S2 stream surface theory

a streamline curvature throughflow method is presented in this paper.Improvements on streamline curvature calculation and relaxation factor determination were made

which enhanced the convergence

stability and precision of this method.Asimple blade force handling method was also proposed for computing flow field in the blade passage.At the same time

a bypass compression system computational method was integrated

which was stable and fast

and which enabled this method to solve arbitrary regions in bypass compression systems composed of fans and any type of high pressure compressors(axial-flow

centrifugal and combined type etc.).Finally this method was applied to an inverse design of a fan/high pressure compressor system

which demonstrated its validity.

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