Air is to be heated from 15 C to 270 C, as it flows through a tube 25mm diameter at average velocity 30 m/s. The tube surface is maintained at 280 C and the air is to be provided at rate 0.013 kg/s. Take the water properties k=0.0336 W/m.C, u = 25.9× 10-6 m2/s, Cp=1.014 kJ/kg.C, p = 0.8826 kg/ m3 , Pr=0.689 . Determine the following :
Air is to be heated from 15 C to 270 C, as it flows through a tube 25mm diameter at average velocity 30 m/s. The tube surface is maintained at 280 C and the air is to be provided at rate 0.013 kg/s. Take the water properties k=0.0336 W/m.C, u = 25.9× 10-6 m2/s, Cp=1.014 kJ/kg.C, p = 0.8826 kg/ m3 , Pr=0.689 . Determine the following :
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Determine the necessary tube length, heat transfer rate and heat transfer coefficient.
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