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pleaseeeee i only have 2 hoursss The temperature of a computer room is desired to be kept constant at 20C (h=30 W/mK). A 3-layer insulation
pleaseeeee i only have 2 hoursss
qx=RT,1T,3 qx=h1A1+kAALAA+kBALB+h3A1T,1T,3 The temperature of a computer room is desired to be kept constant at 20C (h=30 W/mK). A 3-layer insulation is considered for this purpose. The first material in the chamber has a thermal conductivity coefficient of 0.12 W/mK and is 10 mm thick. The thickness of the items in the middle is 10 cm. The outermost material is 20 mm thick and has a thermal conductivity coefficient of 0.25 W/mK. The temperature of the outside air is 39C (h=60 W/m2K) and the maximum heat loss from this three-layer insulation is 7 W/m? is desired. What should be the thermal conductivity coefficient of the insulation material in the middle in this case? (radiation neglected). Solve it using the information below.
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