Consider a room with dimensions as in the sketch. Assuming all emissivities of surfaces are equal to 0.9 calculate the r

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Consider A Room With Dimensions As In The Sketch Assuming All Emissivities Of Surfaces Are Equal To 0 9 Calculate The R 1 (28.52 KiB) Viewed 40 times

Consider a room with dimensions as in the sketch. Assuming all emissivities of surfaces are equal to 0.9 calculate the radiative heat transfer between the floor and the ceiling, if you know the surface temperature of the floor equal to 25°C and the surface temperature of the ceiling is equal to 10°C. Hint: Use an Excel spreadsheet to model the equation for the view factor. 3m 4m 5m PROBLEM 2 For one of the exterior vertical walls of the room above, and knowing that this is part of the ground floor of a building, calculate the exterior radiative and convective coefficients if the outside air temperature is 0°C and the exterior surface temperature is 3°C.