Water enters a heated circular tube with a diameter of 25.4 mm and a length of 5 m. The water velocity is 0.6 m/s and the temperature is 290 K at the inlet. The surface temperature of the tube is maintained at 350 K. Tm.i = 290 K Um D = 0.0254 m T = 350 K For the fully developed flow conditions, evaluate water properties at 300 K to calculate: - The average heat transfer coefficient h in W/m²K - The water outlet temperature in K 2438 2623 || 2821 3191 3551 3781 3902 306.8 | 309.5 | 313.7| 319.9 || 325.3 || 333.5 || 339.1

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.27P
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Heat Transfer

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Water enters a heated circular tube with a diameter of 25.4 mm and a length of 5 m. The water velocity is 0.6 m/s and the temperature is
290 K at the inlet. The surface temperature of the tube is maintained at 350 K.
L
Tmi = 290 K
Um
D = 0.0254 m
-T = 350 K
For the fully developed flow conditions, evaluate water properties at 300 K to calculate:
- The average heat transfer coefficient h in W/m²K
- The water outlet temperature in K
2438
2623
2821
3191
3551
3781
3902
306.8 309.5 || 313.7|| 319.9 || 325.3 || 333.5 || 339.1
Transcribed Image Text:Water enters a heated circular tube with a diameter of 25.4 mm and a length of 5 m. The water velocity is 0.6 m/s and the temperature is 290 K at the inlet. The surface temperature of the tube is maintained at 350 K. L Tmi = 290 K Um D = 0.0254 m -T = 350 K For the fully developed flow conditions, evaluate water properties at 300 K to calculate: - The average heat transfer coefficient h in W/m²K - The water outlet temperature in K 2438 2623 2821 3191 3551 3781 3902 306.8 309.5 || 313.7|| 319.9 || 325.3 || 333.5 || 339.1
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