收稿日期:2022-04-08作者简介:褚卫华(1968-),男,山西翼城人,博士,研究员,主要从事风洞测控技术方向的研究。风洞超声波风速风向三维测量装置设计与实现褚卫华,顾正华(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)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。关键词:时差法;超声波风速仪;风速测量;风速;风向中图分类号:TP216文献标识码:ADOI编码:10.14016/j.cnki.1001-9227.2023.01.036DevelopmentofUltrasonicThree-DimensionalWindSpeedandDirectionMeasuringDeviceForWindTunnelCHUWeihua,GUZhenghua(FacilityDesignandInstrumentInstitute,ChinaAerodynamicsResearchandDevelopmentCenter,MianyangSichuan621000,China)Abstract:Theultrasonicwavepropagatesatdifferentvelocitiesintheoppositewind,andthewindpropagatesintheop-positedirectionatacertaindistance.Theultrasonicsensorsarearrangedinacertainarray,andanultrasonicthree-dimen-sionalwindspeedanddirectionmeasurementdevicebasedonspatialvectoranalysisisdeveloped.d.Inthispaper,thelayoutschemeofthenormaltriangularpyramidsensorofthemeasuringdeviceisintroducedindetail,theoverallframediagramofthehardwarecircuitandthedesignofeachperipheralinterfacecircuitaredescribed,andthecontrolandcalculationflowoftheultrasonicwindspeedanddirectionmeasurementsoftwareareexplained.Throughthetestofthemainfunctionalmodulesofthedeviceandtheactualwindtunneltestofthedevice,itisprovedthattheultrasonicthree-dimensionalwindspeedanddirectionmeasuringdevicecanmeasurethespeedanddirectionofwindinrealtimeandmeettherequirementsofwindtunneltest.Keywords:timedifferencemethod;ultrasonicanemometer;windspeedmeasurement;wndspeed;winddirection0引言在风洞吹风试验过程中,风速风向是一个...
