Water (5.0 L/min) is flowing in a tube “D = 3 cm, L= 5 m" and is to be heated from 15°C to 60.3°C by applying a uniform heat flux on the outer surface of the tube by electric resistance heater. What is the convective heat transfer coefficient

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Water (5.0 L/min) is flowing in a tube "D
= 3 cm, L= 5 m" and is to be heated from
15°C to 60.3°C by applying a uniform
heat flux on the outer surface of the tube
by electric resistance heater. What is the
conveçtive heat transfer coefficient
(W/m .K)?
If turbulent flow use Dituss-Boetler
0.8
relation Nu= 0.023 Re
Pr .
3
Properties : p = 992.1 kg/m , C¸ = 4179
J/kg.°C, k =,0.631 W/m°C, Pr ='4.32, v =
0.658E-6 m /s
Select one:
A. 726.36
B. 876.33
C. 837.79
D. 799.25
E. 760.71
Transcribed Image Text:Water (5.0 L/min) is flowing in a tube "D = 3 cm, L= 5 m" and is to be heated from 15°C to 60.3°C by applying a uniform heat flux on the outer surface of the tube by electric resistance heater. What is the conveçtive heat transfer coefficient (W/m .K)? If turbulent flow use Dituss-Boetler 0.8 relation Nu= 0.023 Re Pr . 3 Properties : p = 992.1 kg/m , C¸ = 4179 J/kg.°C, k =,0.631 W/m°C, Pr ='4.32, v = 0.658E-6 m /s Select one: A. 726.36 B. 876.33 C. 837.79 D. 799.25 E. 760.71
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