复合式结构微量滚转力矩六分量天平研究

王玉花, 刘伟, 谢斌, 张悦

王玉花, 刘伟, 谢斌, 张悦. 复合式结构微量滚转力矩六分量天平研究[J]. 实验流体力学, 2015, (3): 76-79,98. DOI: 10.11729/syltlx20140087
引用本文: 王玉花, 刘伟, 谢斌, 张悦. 复合式结构微量滚转力矩六分量天平研究[J]. 实验流体力学, 2015, (3): 76-79,98. DOI: 10.11729/syltlx20140087
Wang Yuhua, Liu Wei, Xie Bin, Zhang Yue. Research on a micro-rolling-moment six-component strain gauge balance of composite structure[J]. Journal of Experiments in Fluid Mechanics, 2015, (3): 76-79,98. DOI: 10.11729/syltlx20140087
Citation: Wang Yuhua, Liu Wei, Xie Bin, Zhang Yue. Research on a micro-rolling-moment six-component strain gauge balance of composite structure[J]. Journal of Experiments in Fluid Mechanics, 2015, (3): 76-79,98. DOI: 10.11729/syltlx20140087

复合式结构微量滚转力矩六分量天平研究

详细信息
  • 中图分类号: 11-5266/V

Research on a micro-rolling-moment six-component strain gauge balance of composite structure

  • 摘要: 微量滚转力矩测力试验是一项非常重要的风洞试验。相对于常规测力试验,微量滚转力矩测力试验的滚转力矩载荷小,量值在0.5N·m以下,同时滚转力矩载荷与其它的气动载荷量值相差较大,采用应变天平测量微量滚转力矩,很难实现六分量天平结构设计。针对这一问题我们开展了六分量微量滚转力矩天平的研究工作,通过优化天平结构,在现有技术手段的基础上提出了复合式六分量天平结构设计解决方案,不仅实现了六分量微量滚转力矩天平结构设计,而且其滚转力矩系数mx0的测量误差Δmx0<1.1×10-6。本文主要介绍了复合式六分量微量滚转力矩天平研究的关键技术及主要技术措施,并给出了天平分析计算、静态校准和试验测量结果。
    Abstract: Rolling-moment measurement at micro level is extremely important for wind tunnel testing.Compared to conventional force tests,micro-rolling-moment measurement test is charac-terized by small rolling moment loading whose value of quantity is below 0.5N·m,and an obvi-ous difference between rolling moment load and other aerodynamic loads in the value of quantity. It is a great challenge to design a six-component strain gauge balance of appropriate structure for that purpose.To solve this problem,efforts were made to optimize the balance structure and the concept of composite six-component balance was developed and realized,which has reduced the measurement deviation (Δmx0<1.1 ×10-6 )and has addressed the configuration contradictions. In this paper,key techniques and primary technical measures for the newly-designed balance are introduced,with an account of the results of balance analysis and calculation,static calibration and test measurements.
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出版历程
  • 刊出日期:  2015-06-24

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