Issues and temperature compensation techniques for hot wire thermal flow sensor: A review

The hot-wire anemometer is used extensively to measure velocity and turbulence quantities. Hot-wire measurement of non-isothermal flows necessitate the use of thermal compensation or error correction. This paper focus of issues and techniques for thermal compensation and error correction in industrial application was studied. Firstly, comprehensive review on the theory of several types of the most commonly used hot-wires anemometry in the field. Secondly, it considered the compensation techniques both in CTA and CCA hot-wire anemometry. Results of compensating techniques are presented for both CTA and CCA and were compare with different techniques. Finally, computational intelligent can be suitable for those systems where it is very complex or impossible to obtain the model by means of classical methods. Key words:

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