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Air at (900) flows in a Copper tube (K= 384 m) of (4cm) inner eliameter that has walls (0.6cm) thick that are heated from the outside by waber at (125°C). A (0.3 cm) thick Scale is deposited on the outer Surface of the bube whose thermal conductivity is 1.75 J m.le The air and water side hemb bransfer Coefficients are (221 emel 3605 me), respectively. Find the overall heat bransfer coefficient m² k based on the outer area. Also find water to air keat transfer, and the temperature erop across the Scale ele Posite. Wz 3576 O B-70

Air at (900) flows in a Copper tube (K= 384 m) of (4cm) inner eliameter that has walls (0.6cm) thick that are heated from the outside by waber at (125°C). A (0.3 cm) thick Scale is deposited on the outer Surface of the bube whose thermal conductivity is 1.75 J m.le The air and water side hemb bransfer Coefficients are (221 emel 3605 me), respectively. Find the overall heat bransfer coefficient m² k based on the outer area. Also find water to air keat transfer, and the temperature erop across the Scale ele Posite. Wz 3576 O B-70

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Air at (900) flows in a copper tube (K= 384 m) of (4cm) inner eliameter that has walls (0.6cm) thick that are heated from the outside by waber at (125). A (0.3cm) thick Scale is deposited on the outer surface of the bube whose thermal conductivity is 1.75 w J m.le The air and water side hemb bransfer Coefficients are (22) emel 3605 m), Vespectively. Find the overall heat bransfer Coufficient k based on the outer area. Also find water to air keat transfer, and the temperature erop across the Scale ele Posite. W 72576 O B-70
Transcribed Image Text:Air at (900) flows in a copper tube (K= 384 m) of (4cm) inner eliameter that has walls (0.6cm) thick that are heated from the outside by waber at (125). A (0.3cm) thick Scale is deposited on the outer surface of the bube whose thermal conductivity is 1.75 w J m.le The air and water side hemb bransfer Coefficients are (22) emel 3605 m), Vespectively. Find the overall heat bransfer Coufficient k based on the outer area. Also find water to air keat transfer, and the temperature erop across the Scale ele Posite. W 72576 O B-70
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