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Please answer in as much detail as possible. 3. (25pt) Counter current flow heat exchanger includes water flow at 20C inside tube and steam at

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Please answer in as much detail as possible.

3. (25pt) Counter current flow heat exchanger includes water flow at 20C inside tube and steam at 110C outside. Calculate the overall heat-transfer coefficient and interface temperatures. (h=12kW/m2C, ho=14kW/m2C, km=120W/mC, D=10.0 mm, D.-14.0 mm) 1) Draw the wall. 2) Derive dq/dA. 3) Overall heat-transfer coefficient (W/m2C) 4) Interface temperature, Twn (C)

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