IMECH-IR  > 高温气体动力学国家重点实验室
Design of a pulse-type strain gauge balance for a long-test-duration hypersonic shock tunnel
Wang YP(汪运鹏); Liu YF(刘云峰); Jiang ZL(姜宗林); Wang, Y (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam LHD, Beijing 100190, Peoples R China.
Source PublicationSHOCK WAVES
2016
Volume26Issue:6Pages:835-844
ISSN0938-1287
AbstractWhen the measurement of aerodynamic forces is conducted in a hypersonic shock tunnel, the inertial forces lead to low-frequency vibrations of the model, and its motion cannot be addressed through digital filtering because a sufficient number of cycles cannot be obtained during a tunnel run. This finding implies restrictions on the model size and mass as the natural frequencies are inversely proportional to the length scale of the model. Therefore, the force measurement still has many problems, particularly for large and heavy models. Different structures of a strain gauge balance (SGB) are proposed and designed, and the measurement element is further optimized to overcome the difficulties encountered during the measurement of aerodynamic forces in a shock tunnel. The motivation for this study is to assess the structural performance of the SGB used in a long-test-duration JF12 hypersonic shock tunnel, which has more than 100 ms of test time. Force tests were conducted for a large-scale cone with a semivertex angle and a length of 0.75 m in the JF12 long-test-duration shock tunnel. The finite element method was used for the analysis of the vibrational characteristics of the Model-Balance-Sting System (MBSS) to ensure a sufficient number of cycles, particularly for the axial force signal during a shock tunnel run. The higher-stiffness SGB used in the test shows good performance, wherein the frequency of the MBSS increases because of the stiff construction of the balance. The experimental results are compared with the data obtained in another wind tunnel and exhibit good agreement at and .
KeywordHypersonic Shock Tunnel Force Measurement Strain Gauge Balance
DOI10.1007/s00193-015-0616-x
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000386772200013
WOS KeywordHypersonic shock tunnel ; Force measurement ; Strain gauge balance
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationThe force tests were conducted in collaboration with Prof. W. Zhao and Dr. C. Yuan of the Institute of Mechanics. Prof. Z. Bi and Engineer J. Liu of CAAA gave us good advice on the design of the SGB. We are grateful for their cooperation. This study was supported by the National Natural Science Foundation of China (Project Number 11302232).
DepartmentLHD激波与爆轰物理
ClassificationQ3
RankingTrue
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59691
Collection高温气体动力学国家重点实验室
Corresponding AuthorWang, Y (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam LHD, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wang YP,Liu YF,Jiang ZL,et al. Design of a pulse-type strain gauge balance for a long-test-duration hypersonic shock tunnel[J]. SHOCK WAVES,2016,26(6):835-844.
APA 汪运鹏,刘云峰,姜宗林,&Wang, Y .(2016).Design of a pulse-type strain gauge balance for a long-test-duration hypersonic shock tunnel.SHOCK WAVES,26(6),835-844.
MLA 汪运鹏,et al."Design of a pulse-type strain gauge balance for a long-test-duration hypersonic shock tunnel".SHOCK WAVES 26.6(2016):835-844.
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