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Title:
Aerodynamic force and moment measurement of 10° half-angle cone in JF12 shock tunnel
Alternative Title: Aerodynamic force and moment measurement of 10 degrees half-angle cone in JF12 shock tunnel
Author: 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)
Source: Chinese Journal of Aeronautics
Issued Date: 2017-06-01
Volume: 30, Issue:3, Pages:983-987
Abstract:

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.

Keyword: Aerodynamic force and moment measurement ; 10° half-angle cone model ; JF12 ; Real-gas effects ; Shock tunnel
Language: 英语
Indexed Type: SCI ; EI ; CSCD
DOI: 10.1016/j.cja.2017.02.008
WOS ID: WOS:000405137300012
ISSN: 1000-9361
Funder: National Natural Science Foundation of China 11672312 11532014
CSCD ID: CSCD:6004701
Department: LHD激波与爆轰物理
First Institution (Yes or Not): True
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60643
Appears in Collections:高温气体动力学国家重点实验室_期刊论文

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Recommended Citation:
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,2017-06-01,30(3):983-987.
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