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Engineering · Mechanical Engineering
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Calculate the cooling load for the shown room with dimensions of 4.5m x 3.5m x 3.0m at 17.00 hour solar time of August month due to: aGlass windows, walls, floor, and cciling b) Occupants and lights (c) Calculate the sensible and latent cooling loads of the room The following data are given Inside design condition is 26 C and 50% relative humidity. Outside design condition is 43 C dry bulb and 26°C wer bulb temperatures. The outside mean temperature is 28.5 C Temperature of adjacent spaces is 35 C. Overall beat transfer coefficients for glass windows, walls, Door and ceiling are 6.42, 1.35, 1.60 and 1.60 W/m K, respectively. Glass area is 4 m2, lights are 4 fluorescent lamps, 60 W each, infiltration rate is 10 Lit/s per person, occupancy is 3 persons each gives 71.5 W (sensible) and 57.0 W Glatent) Walls construction is of type (C), colour is light, and window glass is single, clear glass with 6 mm thickness, without interior shading. Assume the followings (9-24) (a) Occupants will remain in the room for 16 hours after 08:00 solar time. b) The lights will be On for 16 hours after 08:00 solar time

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