Aerodynamic force and moment measurement of 10° half-angle cone in JF12 shock tunnel | |
其他题名 | Aerodynamic force and moment measurement of 10 degrees half-angle cone in JF12 shock tunnel |
Liu YF(刘云峰); Wang YP(汪运鹏); Yuan CK(苑朝凯); Luo ZT(罗长童); Jiang ZL(姜宗林); Liu, YF (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China. | |
发表期刊 | Chinese Journal of Aeronautics |
2017-06-01 | |
卷号 | 30期号:3页码:983-987 |
ISSN | 1000-9361 |
摘要 | An aerodynamic force and moment measurement was conducted in JF12 long-testduration detonation-driven shock tunnel of Institute of Mechanics, Chinese Academy of Sciences. The test duration of JF12 is 100–130 ms. The nominal Mach number is 7.0 and the exit diameter of the contoured nozzle is 2.5 m. The total enthalpy is 2.5 MJ/kg which duplicates the hypersonic flight conditions of Mach number 7.0 at 35 km altitude. The test model is the standard aerodynamic force model of 10° half-angle sharp cone. The length of the test model is 1500 mm and the weight is 57 kg. The aerodynamic forces were measured with a six-component strain balance. The angles of attack were set to be-5°, 0°, 5°, 10° and 14°, respectively. The experimental results show that in the 100– 130 ms test duration, the signals of strain balance have 3–4 complete vibration cycles. So, the aerodynamic forces and moments can be obtained directly by averaging the signals of balance without acceleration compensation. The force measurement error of repeatability of JF12 is less than 2%. The aerodynamic force coefficients of JF12 are in good agreement with those of conventional hypersonic wind tunnels. For this test model at Mach number 7.0 and total enthalpy of 2.5 MJ/ kg, the real-gas effects on aerodynamic force characteristics are not very evident. |
关键词 | Aerodynamic Force And Moment Measurement 10° Half-angle Cone Model Jf12 Real-gas Effects Shock Tunnel |
DOI | 10.1016/j.cja.2017.02.008 |
收录类别 | SCI ; EI ; CSCD |
语种 | 英语 |
WOS记录号 | WOS:000405137300012 |
项目资助者 | National Natural Science Foundation of China 11672312 11532014 |
CSCD记录号 | CSCD:6004701 |
课题组名称 | LHD激波与爆轰物理 |
论文分区 | 二类 |
力学所作者排名 | 1 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/60643 |
专题 | 高温气体动力学国家重点实验室 |
通讯作者 | Liu, YF (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China. |
推荐引用方式 GB/T 7714 | Liu YF,Wang YP,Yuan CK,et al. Aerodynamic force and moment measurement of 10° half-angle cone in JF12 shock tunnel[J]. Chinese Journal of Aeronautics,2017,30,3,:983-987. |
APA | 刘云峰,汪运鹏,苑朝凯,罗长童,姜宗林,&Liu, YF .(2017).Aerodynamic force and moment measurement of 10° half-angle cone in JF12 shock tunnel.Chinese Journal of Aeronautics,30(3),983-987. |
MLA | 刘云峰,et al."Aerodynamic force and moment measurement of 10° half-angle cone in JF12 shock tunnel".Chinese Journal of Aeronautics 30.3(2017):983-987. |
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