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弹箭与制导学报 >

2021 , Vol. 41 >Issue 1: 113 - 116

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2021.01.025

燃气-蒸汽弹射喷水多相汽化计算及影响分析

  • 惠卫华 1 ,
  • 杨玉磊 1 ,
  • 马艳杰 1 ,
  • 于城博 1 ,
  • 李猛 2
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  • 1 西北工业大学固体火箭发动机燃烧、热结构与内流场国防科技重点实验室,西安 710072
  • 2 西安近代化学研究所,西安 710065

惠卫华(1977—),男,陕西西安人,副研究员,博士,研究方向:新型弹射技术及计算研究。

收稿日期: 2020-04-26

  网络出版日期: 2025-02-11

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Multiphase Vaporization Calculation and Influence Analysis of Gas-steam Ejection Water Injection Process

  • HUI Weihua 1 ,
  • YANG Yulei 1 ,
  • MA Yanjie 1 ,
  • YU Chengbo 1 ,
  • LI Meng 2
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  • 1 National Key Laboratory of Combustion, Thermo-structure and Flow,Northwestern Polytechnical University, Xi’an 710072,China
  • 2 Xi’ an Modern Chemistry Research Institute,Xi’an 710065,China

Received date: 2020-04-26

  Online published: 2025-02-11

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摘要

为研究喷水孔大小数量对燃气-蒸汽弹射冷却水汽化的影响,建立连续注水式弹射装置1/7三维周期模型,采用Mixture多相流模型和汽化模型进行三维非定常数值研究,并通过与试验数据对比验证了数值方法的有效性。结果表明,孔总截面积相同条件下,随着孔数量的增加,冷却水蒸发汽化更迅速,使得进入弹射筒的燃气热量更低,压力更高,混合燃气做功能力更强。研究结果对燃气-蒸汽弹射喷水方案设计有参考价值。

关键词： 燃气-蒸汽弹射; 气液两相流; 汽化效应

本文引用格式

惠卫华 , 杨玉磊 , 马艳杰 , 于城博 , 李猛 . 燃气-蒸汽弹射喷水多相汽化计算及影响分析[J]. 弹箭与制导学报, 2021 , 41(1) : 113 -116 . DOI: 10.15892/j.cnki.djzdxb.2021.01.025

Abstract

In order to study the effect of the size and quantity of water injection holes on the vaporization of the gas-steam ejection cooling water, a 1/7 three-dimensional periodic model of continuous water-injection ejection equipment is established. The three-dimensional unsteady numerical study is performed using the Mixture multiphase flow model and the vaporization model. The validity of the numerical method is verified by comparison with experimental data. The results show that under the same condition of the total cross-sectional area of the holes, as the number of holes increases, the cooling water evaporates more quickly, which makes the gas entering the ejection cylinder lower in heat and higher pressure, and the mixed gas is more powerful. The research results have reference value for the design of gas-steam ejection water spraying scheme.

Key words： gas-steam ejection; gas-liquid two-phase flow; vaporization effect

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