A tube bank uses an aligned arrangement of 30 mm diameter tubes with ST = SL = 50 mmand a tube length of 1 m. There are 12 tube rows in the flow direction (NL = 12) and 6 tubesper row (NT = 6). Air with upstream conditions of T = 27 °C and V = 10 m/s is cross flowover the tubes, while a tube wall temperature of 90 °C is maintained by steam condensationinside the tube. Determine:a- The temperature of air leaving the tube bank (Exit temperature).b- The drop in the pressure across the bank.

Given Data Diameter of tube, D=30 mm ST=SL=50 mm Length of the tube, L=1m NT=6 NL=12 T=300K…

A tube bank uses an aligned arrangement of 30 mm diameter tubes with ST = SL = 50 mm and a tube length of 1 m. There are 12 tube rows in the flow direction (NL = 12) and 6 tubes per row (NT = 6). Air with upstream conditions of Te = 27 °C and V = 10 m/s is cross flow over the tubes, while a tube wall temperature of 90 °C is maintained by steam condensation inside the tube. Determine: a- The temperature of air leaving the tube bank (Exit temperature). b- The drop in the pressure across the bank.

A tube bank uses an aligned arrangement of 30 mm diameter tubes with ST = SL = 50 mm and a tube length of 1 m. There are 12 tube rows in the flow direction (NL = 12) and 6 tubes per row (NT = 6). Air with upstream conditions of Te = 27 °C and V = 10 m/s is cross flow over the tubes, while a tube wall temperature of 90 °C is maintained by steam condensation inside the tube. Determine: a- The temperature of air leaving the tube bank (Exit temperature). b- The drop in the pressure across the bank.

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.8P

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