QI/ A circular pipe of 25 mm outside diameter is placed in an airstream at 25 C and I atm pressure. The air moves in ceross flow over the pipe at 15 m's, while the outer surface of the pipe is maintained at 100 "C. What is the drag force exerted on the pipe per unit length? What is the rate of heat transfer from the pipe per unit length? (17.5 M)

Q: informations of thermal system

A: Thermal system s

Q: informations of Thermal system

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Mechanisms of heat transfer

Heat transfer is an essential discipline in thermal engineering that deals with the transfer, conversion, usability, and creation of heat or thermal energy. Transfer of heat occurs through various mechanisms like conduction, convection, radiation, and change of phases. All these mechanisms have distinct characteristics, but these mechanisms can simultaneously occur in an identical system.