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本文总结了热电风计的发展近况,阐述了应用热电风计测量平均及紊流脉动参数的物理基础,提出了测量两元气流平均参数及三元紊流脉动参数的方法,拟定了应用 v 型敏感元件线路系统,并对部分元件的制作、调整、校验等作出了适当的介绍,对 v 型敏感元件进行了试验,得出其对流放热的准则公式。文章中对所拟定的方法和测量仪表系统的准确度进行了较详细的分析,并与其它方法作了比较,证明所拟定的方法是准确的,操作和试验的总结是比较简单的。最后文中提出了实际应用的例子。
This article summarizes the development of thermoelectric wind generator, expounds the physical basis of using thermoelectric anemometer to measure the average and turbulent fluctuation parameters, presents the method of measuring the average parameters of two-dimensional airflow and the turbulent parameters of three-dimensional turbulence, Sensitive components, wiring system, and some of the components of the production, adjustment, calibration, etc. made an appropriate introduction of the v-type sensor was tested to come to its convection exothermic criteria formula. In this paper, the proposed method and the accuracy of the measuring instrument system are analyzed in detail and compared with other methods to prove that the proposed method is accurate, and the summary of operation and test is relatively simple. Finally, the article put forward the practical examples.