[1]田 亮,刘宏宝,郭赛男,等.不同支板构型对超声速流动影响的数值研究[J].河北工业大学学报,2019,48(04):36-42.[doi:10.14081/j.cnki.hgdxb.2019.04.006]
 TIAN Liang,LIU Hongbao,Guo Sainan,et al.Numerical investigation on the influence of different strut configurations on supersonic flow[J].Journal of Hebei University of Technology,2019,48(04):36-42.[doi:10.14081/j.cnki.hgdxb.2019.04.006]
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不同支板构型对超声速流动影响的数值研究
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《河北工业大学学报》[ISSN:1007-2373/CN:13-1208/T]

卷:
48
期数:
2019年04期
页码:
36-42
栏目:
动力工程
出版日期:
2019-08-25

文章信息/Info

Title:
Numerical investigation on the influence of different strut configurations on supersonic flow
文章编号:
1007-2373(2019)04-0036-07
作者:
田 亮刘宏宝郭赛男王赟卓张晓宇
(河北工业大学 能源与环境工程学院,天津 300401)
Author(s):
TIAN Liang LIU Hongbao Guo Sainan WANG Yunzhuo ZHANG Xiaoyu
(School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China)
关键词:
超燃冲压发动机支板总压恢复系数激波串
Keywords:
scramjetstruttotalpressurerecoveryshocktrain
分类号:
V235.21
DOI:
10.14081/j.cnki.hgdxb.2019.04.006
文献标志码:
A
摘要:
支板作为超燃冲压发动机的侵入式喷注/稳焰结构,能够有效的使燃料与主流空气掺混。为了进一 步分析超声速气流中支板对流动的影响规律,本文对比了二维、三维的仿真结果,并通过三维仿真分析 了支板特征参数对流动的影响。结果表明:在长宽比较小的条件下,流场的三维效应更加明显;支板长 度对总压恢复的影响很小;前缘半径和支板厚度越大,总压恢复系数则越小;当支板厚度大于流道高度 13.4%时,极易发生气流壅塞。
Abstract:
Asanintrusiveinjectionandflameholdingstructureinscramjetengine,thestrutmadethefuelmixwiththe mainstreameffectively.Inordertofurtheranalyzetheinfluenceofthestrutontheflowinsupersonicgasflow,thispaper comparesthetwo-dimensionalwiththethree-dimensionalsimulationresultsandanalyzestheinfluenceofcharacteristic parametersofthestrutontheflowfieldthroughthree-dimensionalsimulation.Theresultsshowthatthethree-dimen? sionaleffectoftheflowfieldismoreobviousunderrelativelysmallaspectratioconditions.Thelengthofthestruthasa littleeffectonthetotalpressurerecovery.Thetotalpressurerecoverycoefficientbecomessmallerastheleadingedgera? diusandthethicknessofthestrutarelarger,whenthethicknessofthestrutisgreaterthan13.4%oftheflowchannel height,theairflowcongestioneasilyoccurs.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-06-29 基金项目:国家自然科学基金(51806057);河北省高等学校科学研究项目(QN2018067) 作者简介:田亮(1983—),男,讲师,tianliangg@hebut.edu.cn。
更新日期/Last Update: 2019-10-04