A/ Saturated steam is flow in a double pipe heat exchanger at 250°C. The length of the heat exchanger is 10 m with inner diameter of the pipe is 2.4 cm.Water is entering in the inner tube at 20°C with the velocity is 1 m/s. Under steady conditions, determine the temperature of water at the length of 5 m. Apply Milne's method taking h = 1 m. The overall heat transfer coefficient of water is 200 W/m²K The differential equation of inner pipe is: dT mCp + UnD (T-T) = 0 dz

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Your Question:
A/ Saturated steam is flow in a double pipe heat exchanger at 250°C. The length of the heat
exchanger is 10 m with inner diameter of the pipe is 2.4 cm.Water is entering in the inner tube at
20°C with the velocity is 1 m/s. Under steady conditions, determine the temperature of water at the
length of 5 m. Apply Milne's method taking h = 1 m.
The overall heat transfer coefficient of water is 200 W/m²K
The differential equation of inner pipe is:
dT
mCp + UnD (T-T) = 0
dz
Transcribed Image Text:A/ Saturated steam is flow in a double pipe heat exchanger at 250°C. The length of the heat exchanger is 10 m with inner diameter of the pipe is 2.4 cm.Water is entering in the inner tube at 20°C with the velocity is 1 m/s. Under steady conditions, determine the temperature of water at the length of 5 m. Apply Milne's method taking h = 1 m. The overall heat transfer coefficient of water is 200 W/m²K The differential equation of inner pipe is: dT mCp + UnD (T-T) = 0 dz
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