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Comparative Study of Elliptic and Round Scramjet Combustors Fueled by RP-3
Yao W(姚卫); Yuan YM(袁越明); Li XP(李晓鹏); Wang J(王晶); Wu K(吴坤); Fan XJ(范学军)
发表期刊JOURNAL OF PROPULSION AND POWER
2018-05-01
卷号34期号:3页码:772-786
ISSN0748-4658
摘要To explore the combustion performance of nonrectangular supersonic combustors, the flow and combustion characteristics in the round and round-to-elliptic shape-transition scramjet combustors were compared, based on the measurements and the improved delayed detached-eddy simulation modelings. The global equivalence ratio was kept at 0.8, whereas two inlet Mach numbers of 2.5 and 3.0 were tested. To reduce the computational cost, four versions of skeletal mechanisms (respectively, 48 s/197 r, 39 s/153 r, 28 s/92 r, and 19 s/54 r) have been developed for China RP-3 kerosene; and the latest one was used. The predicted static pressure profiles along the streamwise direction were first validated against the measurements. Then, the aerodynamic fields were analyzed for the two combustors to compare their flow, mixing, and combustion performances. The three-dimensional wave structures inside the nonaxisymmetric elliptic combustor were revealed for the first time to show the influence of shape transition. Specifically, the time evolution of the flame structures was analyzed, and dominant modes were extracted by the aid of proper orthogonal decomposition.
DOI10.2514/1.B36721
收录类别SCI ; EI
语种英语
WOS记录号WOS:000430384400020
关键词[WOS]SHAPE-TRANSITION ; SONIC JETS ; SIMULATION ; MODEL
WOS研究方向Engineering
WOS类目Engineering, Aerospace
项目资助者training program of the Major Research Plan of the National Natural Science Foundation of China(91641110) ; National Natural Science Foundation of China(11502270)
论文分区二类
力学所作者排名1
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77481
专题高温气体动力学国家重点实验室
空天飞行科技创新研究中心(筹)
推荐引用方式
GB/T 7714
Yao W,Yuan YM,Li XP,et al. Comparative Study of Elliptic and Round Scramjet Combustors Fueled by RP-3[J]. JOURNAL OF PROPULSION AND POWER,2018,34(3):772-786.
APA 姚卫,袁越明,李晓鹏,王晶,吴坤,&范学军.(2018).Comparative Study of Elliptic and Round Scramjet Combustors Fueled by RP-3.JOURNAL OF PROPULSION AND POWER,34(3),772-786.
MLA 姚卫,et al."Comparative Study of Elliptic and Round Scramjet Combustors Fueled by RP-3".JOURNAL OF PROPULSION AND POWER 34.3(2018):772-786.
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