Engineering
Engineering, 17.12.2019 03:31, okokalyssa

Aspherical thermocouple junction is used for temperature measurement in a gas stream. the junction has a diameter of 0.5 mm, k = 35 w/m k, c = 320 j/kg k, and rho = 8500 kg/m3. the convection coefficient between the junction surface and the gas is h = 2.2(v/d)0.5 , and the time for the junction to reach 99% of the initial temperature difference is 5s. what flow velocity can the thermocouple be used for?

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