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Steam condenses in a 2cm I.D. thin walled tube of 99% aluminium at 10atm pressure. There are circular fins of constant thickness, 3.5cm in diameter, and every 0.5 cm on the outside. The fins are 0.8mm thick and the heat transfer coefficient from them h=6 W/M^2K (Including both convection and radiation). What is the mass rate of condensation if the pipe is 1.5 m in length, the ambient temperature is 18 Degree C and h for condensation is very large? (mcond= 0.802 Kg/hr)
nasa is designing a mission to explore titan the largest moon of saturn. titan has numerous hydrocarbon lakes
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Determine the COP of the heat pump that applies energy to a house at a rate of 4500kj/h for each kW of electric power it draws. Also, determine the rate of the energy absorption from the outdoor air.
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Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
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