Engineering, 13.12.2019 17:31 bsweeney3328
Consider an opaque horizontal plate that is well insu- lated on its back side. the irradiation on the plate is 2500 w/m^2, of which 500 w/m2 is reflected. the plate is at 227°c and has an emissive power of 1200 w/m2. air at 127°c flows over the plate with a heat transfer convection coefficient of 15 w/m^2.k. determine the emissivity, absorptivity, and radiosity of the plate. what is the net heat transfer rate per unit area?
Answers: 1
Engineering, 03.07.2019 14:10, volleyballfun24
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 12:10, Ryantimes2
On a average work day more than work place firs are reorted
Answers: 1
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Consider an opaque horizontal plate that is well insu- lated on its back side. the irradiation on th...
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