闭环恒温式热线风速传感器的设计

Design of a Hot Wire Anemometer with Constant Temperature Feedback

基于热工学推导了热线风速传感器的数学模型,设计了恒温反馈下的风速测量电路,讨论了非线性模型的分析方法,在此基础上,分析了影响测量精度的一些因素,并给出改进措施。

A mathematical model is set up for a hot wire anemometer based on the heat transfer theory. The electric circuit of the constant temperature feedback is designed based on the model. This paper discusses the nonlinear model and analyzes the some factors that affect the measurement precision.