A shell-and-tube heat exchanger is made of two standard steel tubes, as shown in Fig. 9.13 . The outer tube has an OD of 7/8 in and the OD for the inner tube is ½ in. Each tube has a wall thickness of 0.049 in. Calculate the required ratio of the volume flow rate in the shell to that in the tube if the average velocity of flow is to be the same in each. Answer is Qshell/ Qtube= 2.19. Please show how to solve.

A shell-and-tube heat exchanger is made of two standard steel tubes, as shown in Fig. 9.13 . The outer tube has an OD of 7/8 in and the OD for the inner tube is ½ in. Each tube has a wall thickness of 0.049 in. Calculate the required ratio of the volume flow rate in the shell to that in the tube if the average velocity of flow is to be the same in each. Answer is Qshell/ Qtube= 2.19. Please show how to solve.

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.

Chapter10: Heat Exchangers

Section: Chapter Questions

Problem 10.45P

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