| 多点静压落差法在风洞稳速压控制系统中的分析与应用 |
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| 引用本文： | 易晖,熊建军,汤永,袁明川.多点静压落差法在风洞稳速压控制系统中的分析与应用[J].直升机技术,2013(4):60-62,67. |
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| 作者姓名： | 易晖 熊建军 汤永 袁明川 |
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| 作者单位： | [1]中航工业直升机设计研究所,江西景德镇333001 [2]中国空气动力研究与发展中心低速所,四川绵阳621000 |
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| 摘 要： | 先介绍了两种测量风洞稳速压控制系统风速反馈值的常用方式-单点风速测量法和多点静压落差法,并对其特点和应用场合进行了分析;然后对多点静压落差法进行数学建模,给出了静压落差与风洞试验段中心点风速的关系;最后用一个工程实例说明此方法在实际风洞设计中的应用。
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| 关 键 词： | 多点静压落差法 风洞稳速压控制系统 风速反馈值测量 |
Analysis and Application of Multi-point Static Pressure Method in Wind Tunnel Speed Control System |
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| Authors: | YI Hui XIONG Jianjun TANG Yong YUAN Mingchuan |
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| Institution: | 1. AVIC Helicopter Research and Development Institute, Jingdezhen 333001, China; 2. China Aerodynamics Research and Development Center, Low Speed Institute , Mianyang 621000, China) |
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| Abstract: | This paper introduced two wind-speed measurement methods in wind tunnel＇s speed control system,single-point wind speed measurement method and multi-point static pressure meth-od,as well as their features and applications.Then mathematical model was established for the latter method and formulas relating static pressure to wind-speed at test section center were given.In con-clusion,this method was applied to one real-world wind-tunnel design project. |
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| Keywords: | multi-point static pressure method wind speed control system wind speed measurement |
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