Question: The instruction manual for a hot-wire anemometer states that roughly speaking, the current varies as the one-fourth power of the average velocity at a fixed

The instruction manual for a hot-wire anemometer states that ‘roughly speaking, the current varies as the one-fourth power of the average velocity at a fixed wire resistance’. Check this statement, using the heat transfer characteristics of thin wire in air and water.
GIVEN
A thin current carrying wire in an air or water stream
ASSUMPTIONS
Radiative heat transfer is negligible

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