Performance evaluation of a fluid temperature-compensated single sensor constant temperature anemometer |
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| Authors: | Ferreira R.P.C. Freire R.C.S. Deep G.S. |
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| Affiliation: | Fed. Center of Technol., Alagoas, Brazil; |
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| Abstract: | The performance of a hot-wire anemometer configuration is affected by variation in the fluid temperature. The classical temperature compensation techniques in such anemometers employ two sensors. The performance of a temperature-compensated hot-wire anemometer configuration, using a single sensor alternating between two operating temperatures, and proposed for constant fluid velocity, is investigated under conditions of time-varying fluid velocity. The measurement error introduced is quantified and can be practically eliminated using a low-pass digital filter. |
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