Dynamic characteristics of a simple constant-temperature hot-wire anemometer.
作者信息
Lu S S
机构信息
Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan, Republic of China.
出版信息
Rev Sci Instrum. 1979 Jun;50(6):772. doi: 10.1063/1.1135924.
PMID:18699602
Abstract
A simple constant-temperatue hot-wire anemometer has been analyzed and tested in a shock tube and by electronic tests. In the derivation of the governing equations, the finite open-loop gain of an operational amplifier is considered. The measured values of the natural frequency and the damping coefficient for the anemometer system are in satisfactory agreement with the theory. For short probe cables, the frequency response is found to be limited by the finite open-loop gain of the amplifier.
摘要
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