Steam is to be condensed on the shell side of a 1-shell-pass and 8-tube-passes condenser, with 50= 1043 Btu/lbm). Cooling water (Cp =1.0 Btu/lbm - °F) enters the tubes at 60°Ftubes in each pass at 90°F (hrgand leaves at 73°F. The tubes are thin-walled and have a diameter of 3/4 in. and length of 5 ft per pass. Theoverall heat transfer coefficient is 600 Btu/h · ft2 - °F.SteamDetermine the following:90°F20 lbm/sthe rate of heat transfer,the rate of condensation of steam, and73°Fthe mass flow rate of cold waterA. 5.396x10^6 BTU/h, 1.44 Ilbm/s, 115 lbm/sB. 6.396x10^6 BTU/h, 1.44 Ibm/s, 115 Ibm/sC. 5.396x10^6 BTU/h, 2.44 Ibm/s, 115 lbm/sD. 5.396x10^6 BTU/h, 1.44 Ibm/s, 315 Ibm/s60°FWater90°F

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Answered: Steam is to be condensed on the shell…

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 10.14P

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When a standard-efficiency air-cooled condenser is used, the condensing refrigerant will normally be higher in temperature than the entering air temperature.
Steam is to be condensed on the shell side of a 1-shell-pass and 8-tube-passes condenser, with 50 tubes in each pass at 90°F (hfg = 1043 Btu/lbm). Cooling water (cp = 1.0 Btu/lbm·°F) enters the tubes at 60°F and leaves at 73°F. The tubes are thin walled and have a diameter of 3/4 in and length of 5 ft per pass. If the overall heat transfer coefficient is 600 Btu/h·ft2·°F, determine (a) the rate of heat transfer, (b) the rate of condensation of steam, and (c) the mass flow rate of cold water.
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