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A shell-and-tube heat exchanger heats oil from 2°C to 35°C using hot water. The oil flows...

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Mechanical Engineering

A shell-and-tube heat exchanger heats oil from 2°C to 35°C usinghot water. The oil flows in the shell in a single pass. Water flowsin 5 copper tubes with a total (all tubes) rate of 0.5 kg/s. Eachtube makes 4 passes through the shell and the length per pass is 4m. The tube inner and outer diameters are 15 mm and 19 mm. Thewater enters at 95°C and leaves at 29°C.
1. Estimate the average convection coefficient for the tube innersurface.
2. Estimate the average convection coefficient for the tube outersurface.

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