振荡环境下多层三明治模型火焰波动特性研究

Guanyu Xu; Peijin Liu; Bingning Jin

doi:10.7673/j.issn.1006-2793.2018.02.002

振荡环境下多层三明治模型火焰波动特性研究

Guanyu Xu
, Peijin Liu
, Bingning Jin

航天学院

Northwestern Polytechnical University Xian

科研成果: 期刊稿件 › 文章 › 同行评审

1 引用（Scopus）

摘要

Based on the calculation platform of OpenFOAM,the numerical simulation of the combustion fluctuation of AP/HTPB composite propellants' micro-flame in engine oscillation environment is carried out.Because the traditional sandwich model does not consider the influence of adjacent flames,the multi-layer sandwich configuration is adopted in this paper.In the case of pressure of 5.7 MPa,oscillation frequency of 323 Hz,amplitude of pressure oscillation 0.2 MPa,mass ratio α_AP/HTPB=7/3,the numerical simulation and analysis are carried out.The results show that the fluctuation characteristics of the AP/HTPB sandwich model flame can be obtained based on the numerical simulation method established by OpenFOAM,including the flame height,the flame swing angle and the thermal feedback of the propellant surface.Comparative analysis shows that the adjacent flames will have an impact on the flame fluctuation characteristics,and multi-layer sandwich model is more reasonable for the description of propellant microscopic flame.

投稿的翻译标题	Study on flame fluctuation characteristics of multi-layer sandwichmodel in oscillating environment
源语言	繁体中文
页（从-至）	145-150
页数	6
期刊	Guti Huojian Jishu/Journal of Solid Rocket Technology
卷	41
期	2
DOI	https://doi.org/10.7673/j.issn.1006-2793.2018.02.002
出版状态	已出版 - 1 4月 2018

关键词

AP/HTPB sandwich propellant
Combustion instability
Flame swing
Numerical simulation
OpenFOAM

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10.7673/j.issn.1006-2793.2018.02.002

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引用此

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title = "振荡环境下多层三明治模型火焰波动特性研究",

abstract = "Based on the calculation platform of OpenFOAM,the numerical simulation of the combustion fluctuation of AP/HTPB composite propellants' micro-flame in engine oscillation environment is carried out.Because the traditional sandwich model does not consider the influence of adjacent flames,the multi-layer sandwich configuration is adopted in this paper.In the case of pressure of 5.7 MPa,oscillation frequency of 323 Hz,amplitude of pressure oscillation 0.2 MPa,mass ratio αAP/HTPB=7/3,the numerical simulation and analysis are carried out.The results show that the fluctuation characteristics of the AP/HTPB sandwich model flame can be obtained based on the numerical simulation method established by OpenFOAM,including the flame height,the flame swing angle and the thermal feedback of the propellant surface.Comparative analysis shows that the adjacent flames will have an impact on the flame fluctuation characteristics,and multi-layer sandwich model is more reasonable for the description of propellant microscopic flame.",

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AU - Xu, Guanyu

AU - Liu, Peijin

AU - Jin, Bingning

PY - 2018/4/1

Y1 - 2018/4/1

N2 - Based on the calculation platform of OpenFOAM,the numerical simulation of the combustion fluctuation of AP/HTPB composite propellants' micro-flame in engine oscillation environment is carried out.Because the traditional sandwich model does not consider the influence of adjacent flames,the multi-layer sandwich configuration is adopted in this paper.In the case of pressure of 5.7 MPa,oscillation frequency of 323 Hz,amplitude of pressure oscillation 0.2 MPa,mass ratio αAP/HTPB=7/3,the numerical simulation and analysis are carried out.The results show that the fluctuation characteristics of the AP/HTPB sandwich model flame can be obtained based on the numerical simulation method established by OpenFOAM,including the flame height,the flame swing angle and the thermal feedback of the propellant surface.Comparative analysis shows that the adjacent flames will have an impact on the flame fluctuation characteristics,and multi-layer sandwich model is more reasonable for the description of propellant microscopic flame.

AB - Based on the calculation platform of OpenFOAM,the numerical simulation of the combustion fluctuation of AP/HTPB composite propellants' micro-flame in engine oscillation environment is carried out.Because the traditional sandwich model does not consider the influence of adjacent flames,the multi-layer sandwich configuration is adopted in this paper.In the case of pressure of 5.7 MPa,oscillation frequency of 323 Hz,amplitude of pressure oscillation 0.2 MPa,mass ratio αAP/HTPB=7/3,the numerical simulation and analysis are carried out.The results show that the fluctuation characteristics of the AP/HTPB sandwich model flame can be obtained based on the numerical simulation method established by OpenFOAM,including the flame height,the flame swing angle and the thermal feedback of the propellant surface.Comparative analysis shows that the adjacent flames will have an impact on the flame fluctuation characteristics,and multi-layer sandwich model is more reasonable for the description of propellant microscopic flame.

KW - AP/HTPB sandwich propellant

KW - Combustion instability

KW - Flame swing

KW - Numerical simulation

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振荡环境下多层三明治模型火焰波动特性研究

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