江南大学机械工程学院
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沈晓东, 宋飞虎, 徐明, 等. 小型集成化热场式气象风速风向传感器研究[J]. 传感器与微系统, 2024,(9):55-58.
沈晓东, 宋飞虎, 徐明, 等. 小型集成化热场式气象风速风向传感器研究[J]. 传感器与微系统, 2024,(9):55-58. DOI: 10.13873/J.1000-9787(2024)09-0055-04.
针对目前气象行业缺乏小型集成化风速计的问题,本文基于流场与温度场的相互影响,设计开发了一种风速风向传感器。首先,采用计算流体动力学软件FLUENT对不同流场下的温度场进行仿真测试,确定传感器表面8个负温度系数(NTC)热敏电阻的布局。然后,根据不同风速、风向下,8个NTC的仿真响应值,设计3阶傅里叶级数拟合方法实现风向风速的测量,并采用线性插值法对环境温度引起误差进行修正。通过风洞测试进行了实验验证。实验结果表明:设计的热场式风速风向传感器风速检测范围可达1~30 m/s
精度在±(0.5+0.03v)m/s内,风向检测范围在0°~360°
精度在±5°内。
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School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia,School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia,Department of Biotechnology, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, 73441-81746, Iran,College of Materials Science and Engineering, Nanjing Forestry University, No. 158, Longpan Road, Nanjing, 210037, Jiangsu, People’s Republic of China,Department of Advanced production engineering, Engineering and technology institute Groningen, University of Groningen, 9747AG, Groningen, the Netherlands,School of Biomedical Engineering, University of Technology Sydney, Sydney, 2007, Australia,School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia.Design and applications of MEMS flow sensors: A review[J].Sensors & Actuators: A. Physical,2019.
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