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首页> 外文期刊>Aerospace and Electronic Systems, IEEE Transactions on >An Improved Piezoelectric Balance for Aerodynamic Force
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An Improved Piezoelectric Balance for Aerodynamic Force

机译：气动力的改进压电平衡

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摘要

A method for measuring model forces in the shock tunnel by means of an acceleration-compensated balance has been reported by the authors.1 Since that time, a continuing program of research and development on advanced shock-tunnel instrumentation at Cornell Aeronautical Laboratory, Inc. has led to a promising new balance configuration. This balance is inherently more compact than previous designs, and allows testing of higher lift/drag (L/D) configurations than before. The increased high-pressure capability of the shock tunnel, and the growing recognition of the importance of the shock tunnel as a means of generating large Reynolds number flow, have thus added to the importance of this new higher load, more compact balance concept. An experimental balance has been built and calibrated. The performance of this balance is presented in this paper.
机译：作者已经报道了一种通过加速度补偿天平测量冲击隧道中模型力的方法。1自那时以来，康奈尔航空实验室有限公司一直在进行高级冲击隧道仪器的研究和开发。带来了令人鼓舞的新天平配置。这种平衡在本质上比以前的设计更紧凑，并且可以测试比以前更高的提升/拖动（L / D）配置。因此，冲击隧道的高压能力增强，并且人们日益认识到冲击隧道作为产生大雷诺数流的一种手段的重要性，这也增加了这种新的更高载荷，更紧凑的平衡概念的重要性。实验天平已建立并校准。本文介绍了这种平衡的性能。

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