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Hot-wire anemometer with temperature compensation using only one sensor
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DOI：10.1109/19.948306.png)
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Abstract
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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.
Keywords:
anemometer
electrical equivalence
thermoresistive sensor
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