期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 50, 期 4, 页码 954-958出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/19.948306
关键词
anemometer; electrical equivalence; thermoresistive sensor
In conventional constant temperature hot-wire anemometers, the compensation for the fluid temperature is done by using two sensors. In this paper, the analysis of an anemometer circuit using only one sensor, operating alternately at two different temperatures is presented. The effect of the amplifier input offset voltage is taken into account, and its influence on the measurement of fluid velocity is quantified. Preliminary experimental results are also presented.
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