Saturated liquid water is flowing at a mass flow rate of m = 6 kg/s through a smooth, horizontal tube with a rectangular cross-section. Cross-section of rectangle: w= 0.2 m , h= 0.3m and tube length L= 40 m The wall of the tube is maintained at a constant temperature of T = 85°C and the water enters the tube at a mean temperature of T_m,i =  27 °C. a.) What's the average convection coefficient between the water and the tube wall. Assume water temp is T = 85°C b.) What's the exit temperature of the water and the c.) Rate of heat transfer to the water?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Chapter6: Forced Convection Over Exterior Surfaces
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Problem 6.15P
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Saturated liquid water is flowing at a mass flow rate of m = 6 kg/s through a smooth, horizontal tube with a rectangular cross-section.

Cross-section of rectangle: w= 0.2 m , h= 0.3m and tube length L= 40 m

The wall of the tube is maintained at a constant temperature of T = 85°C and the water enters the tube at a mean temperature of T_m,i =  27 °C.


a.) What's the average convection coefficient between the water and the tube wall. Assume water temp is T = 85°C

b.) What's the exit temperature of the water and the

c.) Rate of heat transfer to the water?

 

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