Computational analysis on static internal flow field of shock vector controlled vectoring exhaust nozzles

WANG Quan; WANG Qiang

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Computational analysis on static internal flow field of shock vector controlled vectoring exhaust nozzles

更新时间：2026-07-07

- Computational analysis on static internal flow field of shock vector controlled vectoring exhaust nozzles
- Vol. 21, Issue 4, (2006)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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WANG Quan, WANG Qiang. Computational analysis on static internal flow field of shock vector controlled vectoring exhaust nozzles[J]. 2006, 21(4).
DOI：

WANG Quan, WANG Qiang. Computational analysis on static internal flow field of shock vector controlled vectoring exhaust nozzles[J]. 2006, 21(4). DOI：

摘要

采用三种不同湍流模型分别对激波诱导二元矢量喷管内流场进行计算

并将计算结果与模型试验结果进行了分析比较

得出重整化群(RNG)k-ε二方程模型为文中数值模拟中最有效的湍流模型。对该型喷管的计算结果分析表明

喷管矢量角的计算值和实验值基本吻合;在NPR=4

ω=9.6%情况下

矢量角最大可以达到16.61°;注气位置、注气压力和喷管落压比对矢量角的影响比较大。

Abstract

After comparing the results of three different turbulence models in computing static internal flow field of shock vector controlled vectoring exhaust nozzles by means of second order upwind schemes

(RNG) k-turbulence model shows to be the most valid turbulence model

and the computation results have been compared with that of the scaled model experiments.The results indicate that small nozzle pressure ratio and large inject mass flow rate will result in a larger vector angle.

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