风洞超声波风速风向三维测量装置设计与实现  

Development of Ultrasonic Three-Dimensional Wind Speed and Direction Measuring Device For Wind Tunnel

作　　者：褚卫华[1] 顾正华[1] CHU Weihua;GU Zhenghua(Facility Design and Instrument Institute,China Aerodynamics Research and Development Center,Mianyang Sichuan 621000,China)

机构地区：[1]中国空气动力研究与发展中心设备设计与测试技术研究所,四川绵阳621000

出　　处：《自动化与仪器仪表》2023年第1期36-41,47,共7页Automation & Instrumentation

摘　　要：超声波在顺逆风中传播速度不同,在距离一定的条件下,风在顺逆向传播存在时差,将超声波传感器按一定阵列布置,基于空间向量分析算法可以设计一种超声波三维风速风向测量装置。详细介绍了风速风向三维测量装置正三棱锥体传感器布置方案,阐述了硬件电路的总体框架图和各外围接口电路的设计,说明了超声波风速风向测量装置算法软件编程实现和计算控制流程。通过对装置主要功能模块的测试和实际风洞试验证明,超声波三维风速风向测量装置能够实时测量风速的大小和方向,满足风洞试验测试要求。The ultrasonic wave propagates at different velocities in the opposite wind,and the wind propagates in the opposite direction at a certain distance.The ultrasonic sensors are arranged in a certain array,and an ultrasonic three-dimensional wind speed and direction measurement device based on spatial vector analysis is developed.d.In this paper,the layout scheme of the normal triangular pyramid sensor of the measuring device is introduced in detail,the overall frame diagram of the hardware circuit and the design of each peripheral interface circuit are described,and the control and calculation flow of the ultrasonic wind speed and direction measurement software are explained.Through the test of the main functional modules of the device and the actual wind tunnel test of the device,it is proved that the ultrasonic three-dimensional wind speed and direction measuring device can measure the speed and direction of wind in real time and meet the requirements of wind tunnel test.

关 键 词：时差法 超声波风速仪 风速测量 风速 风向 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]