Mathematical model and grid quality of interaction between shock wave and boundary layer within supersonic cascade

ZENG Rongpeng Beijing Long Wei Power Generation Technology Co.

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Mathematical model and grid quality of interaction between shock wave and boundary layer within supersonic cascade

Thermal Power Generation Vol. 42, Issue 2, Pages: 26-29(2013)

更新时间：2025-09-28

- Mathematical model and grid quality of interaction between shock wave and boundary layer within supersonic cascade
- 作者机构：
  
  北京龙威发电技术有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK14
- Published：2013
- 稿件说明：
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ZENG Rongpeng Beijing Long Wei Power Generation Technology Co.. Mathematical model and grid quality of interaction between shock wave and boundary layer within supersonic cascade[J]. Thermal Power Generation, 2013, 42(2): 26-29.
DOI：

ZENG Rongpeng Beijing Long Wei Power Generation Technology Co.. Mathematical model and grid quality of interaction between shock wave and boundary layer within supersonic cascade[J]. Thermal Power Generation, 2013, 42(2): 26-29. DOI：

摘要

采用FINE/TURBO软件对某弦长100.6mm

进、出口气流转向角154°

叶型最大厚度16.8mm

栅距46.4mm的超音速叶栅进行研究

并将计算结果与试验数据进行比较。结果表明

采用FINR/TURBO软件的模拟计算结果与文献[2]中的试验数据吻合较好;H-O-H网格质量明显优于H型网格;在压比较大时

用Euler方程解代替N.S方程解产生的模拟误差较大。

Abstract

A supersonic cascade with chord length of 100.6 mm

inlet and outlet flow angle of 154°

the maximum thickness of 16.8 mm

and vane pitch of 46.4 mm was investigated by FINE/TURBO software

and the results was compared with test data.Results show that

the simulation results accord well with the experimental data in reference [2].The H-O-H type grid has obviously higher quality than that of H type grid.Under large pressure ratio

the simulation error resulted from the Euler equation is bigger than that from the N.S equation.

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