Air at 300C flows over a tube with a velocity of 40 m/s. The tube surface...

 

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Air at 300C flows over a tube with a velocity of 40 m/s. The tube surface temperature is 1300C, calculate the heat transfer coefficient for the following cases. i) Tube could be square with a side of 6 cm ii) Tube is circular cylinder of diameter 6 cm. Air at 300C flows over a tube with a velocity of 40 m/s. The tube surface temperature is 1300C, calculate the heat transfer coefficient for the following cases. i) Tube could be square with a side of 6 cm ii) Tube is circular cylinder of diameter 6 cm.