(a) A length of brass piping is 30 m long at a temperature of 18°C. When hot water flows through it the temperature of the pipe rises to 70°C. Determine the length of the hot pipe if the coefficient of linear expansion for brass is 18 x 10-6 K-¹.

(a) A length of brass piping is 30 m long at a temperature of 18°C. When hot water flows through it the temperature of the pipe rises to 70°C. Determine the length of the hot pipe if the coefficient of linear expansion for brass is 18 x 10-6 K-¹.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.28P

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

(a)
A length of brass piping is 30 m long at a temperature of 18°C.
When hot water flows through it the temperature of the pipe
rises to 70°C. Determine the length of the hot pipe if the
coefficient of linear expansion for brass is 18 x 10-6 K-¹.

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