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Calibration of constant-temperature hot-film anemometers at low velocities in water of uniform temperature

โœ Scribed by H. Win; J.M. Prahl

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
342 KB
Volume
13
Category
Article
ISSN
0735-1933

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โœฆ Synopsis

A new method for calibrating hot-film anemometer probes in water of uniform temperatures has proved to be superior to conventional methods presently in use ยฐ The flow field over probes of typical dimensions and overheat ratios , under natural convection and forced convection at low velocities in water at standard conditions ,indicate Reynolds numbers on the order of 5 to 150.Models for the heat transfer and flow field based upon boundary layer concepts will have dif~culties under these conditions. A semi-empirical model and calibration procedure has been developed to handle this low Reynolds number domain more effectively.

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