In a ship with a main engine of 8000 kW power and 30% thermal efficiency, 60%...
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In a ship with a main engine of 8000 kW power and 30% thermal efficiency, 60% of the total waste heat is discharged through the chimney. It is desired to obtain hot water at 80 C from the exhaust gas. Distilled water is taken into the boiler at a temperature of 30 C. The main engine exhaust gas outlet temperature is 600 C and the chimney atmosphere outlet temperature is 220 C. The boiler working order is considered to be 2 passes - 2 stages of plate separation. Considering the body diameter as 150 cm, the inner pipe diameter 10 mm, the inner pipe wall thickness as 2 mm and the body length as 3 meters, a) Find the total heat transfer amount .b) Find the total heat transfer coefficient.. c) Find the number of pipes to be used. (2 passes = 1 pipe). In a ship with a main engine of 8000 kW power and 30% thermal efficiency, 60% of the total waste heat is discharged through the chimney. It is desired to obtain hot water at 80 C from the exhaust gas. Distilled water is taken into the boiler at a temperature of 30 C. The main engine exhaust gas outlet temperature is 600 C and the chimney atmosphere outlet temperature is 220 C. The boiler working order is considered to be 2 passes - 2 stages of plate separation. Considering the body diameter as 150 cm, the inner pipe diameter 10 mm, the inner pipe wall thickness as 2 mm and the body length as 3 meters, a) Find the total heat transfer amount .b) Find the total heat transfer coefficient.. c) Find the number of pipes to be used. (2 passes = 1 pipe).
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To solve this problem lets break it down step by step a Total Heat Transfer Amount The total heat tr... View the full answer
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1st Edition
Authors: Alfred A. Marcus, Timothy J. Hargrave
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