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Numerical investigation of spray in high speed airflow(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2009年03期
Page:
21-25
Research Field:
研究与设计
Publishing date:

Info

Title:
Numerical investigation of spray in high speed airflow
Author(s):
Ma Tianjul; Luan Xiting2; Hong Liul
1 Xi'an Aerospace Propulsion Institute，Xi"an 710100，China； 2 Academy of Aerospace Propulsion Technology，Xi'an 710100，China
Keywords:
ramjet; atomization; fuel distribution; atomization angle; numerical simulation model
PACS:
V434
DOI:
-
Abstract:
traet：Based on experimental investigation of the liquid fuel atomization in hilsh speed airflow and the flow characteristics of ramjet combustion chamber，a three-dimensional model was established． With the two-phase flow numerical simulation，spray field and fuel-air ratio distributions were investigated at different Mach numbers and injector conditions．The simulation results indicate that with the Mach number increasing，all improved vaporization and better fuel distribution were obtained，the atomization angle Writ8 reduced．The atomization angles of orifice and swid injectors were changed with fuel pressure changing．but it was not the main factor．The numerical simulation and the experiment results agreed well．The numerical simulation model method and results can be used in engineering design．

References:

[l]刘兴洲．飞航导弹动力装置(上册)[M]．北京：宇航出版 社．1992．
[2]CFD—ACE+V2006 Modules Manual[M]．ESI CFD Inc， 2006．
[3]Huu P Trinh．Numerical Simulation of Liquid Jet Atomization Including Turbulence Effects[R]，AIAA 2005— 3973．
[4]牛海瑛，徐行．模型燃烧室冷热态两相流场的计算研究 [J]．工程热物理学报，2002，23(1)：189-192．
[5]傅勇强，徐行．燃烧室内喷雾两相流场数值研究[J]．燃烧 科学与技术，2001，7(2)：230-234．
[6]Gopala Y，Lubarsky E，Measurements of Spray Characteristics in Preheated Cross flowing Air[R]．AIAA 2007- 1179．
[7]柳长安，吴宝元，王玉峰．冲压发动机转级流场数值仿真 研究[J]．火箭推进，2007，33(5)：22-25．
[8]黄日鑫，谭永华．亚燃冲压发动机燃烧室燃油浓度分布 预测[J]．火箭推进，2008，34(4)：21—25．。
[9]钱丽娟，熊红兵，林建忠．液体物性对雾化射流液雾粒径 的影响[J]．工程热物理学报，2008，29(2)：246-250．

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Last Update: 1900-01-01