NUMERICAL SIMULATION OF PLUG NOZZLE FLOWFIELDS AT DIFFERENT AMBIENT PRESSURES

Zhuge Weilin; Zhang Yangjun; Zhang Baoning; Chen Ronghui

Chinese

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NUMERICAL SIMULATION OF PLUG NOZZLE FLOWFIELDS AT DIFFERENT AMBIENT PRESSURES

更新时间：2026-07-07

- NUMERICAL SIMULATION OF PLUG NOZZLE FLOWFIELDS AT DIFFERENT AMBIENT PRESSURES
- Vol. 14, Issue 3, (1999)
- 作者机构：
  
  1. 清华大学
  2. 中国燃气涡轮研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1999
- 稿件说明：
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Zhuge Weilin, Zhang Yangjun, Zhang Baoning, et al. NUMERICAL SIMULATION OF PLUG NOZZLE FLOWFIELDS AT DIFFERENT AMBIENT PRESSURES[J]. 1999, 14(3).
DOI：

Zhuge Weilin, Zhang Yangjun, Zhang Baoning, et al. NUMERICAL SIMULATION OF PLUG NOZZLE FLOWFIELDS AT DIFFERENT AMBIENT PRESSURES[J]. 1999, 14(3). DOI：

摘要

本文设计了一种环排式塞式喷管

通过求解N-S雷诺平均方程组

对在不同环境压强情况下该塞式喷管的流场结构进行了数值模拟

对采用单方程和双方程两种紊流模型模拟的结果进行了比较。数值模拟的结果表明

用适当选取混合长度的单方程模型与双方程模型计算的结果基本一致;该塞式喷管基本上体现了塞式喷管的优点。

Abstract

A type of circular multi-thruster plug nozzle has been designed

and its flow fields at different ambient pressures were simulated numerically by solving axisymmetric Reynolds-averaged Navier-Stokes equations with a finite-volume formulation.The simulations based on single equation and two equations turbulent models were compared.The results of the both models at proper mixing length were consistent in general.This type of plug nozzle embodies the main advantages of plug nozzles.

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