A liquid is to be cooled from 60 oC to 20 oC using water entering countercurrent at 15 oC and leaving at 25 oC in a double pipe heat exchanger composed of ¾” Sch. 40 and 1.5” Sch. 40 steel pipes. The entering velocity of liquid is 1.5 m/s. ho = 5000 W/m2-K; hi = 1100 W/m2-K; k of pipe = 45 W/m-K. Determine the overall heat transfer coefficient in W/m2-K.
A liquid is to be cooled from 60 oC to 20 oC using water entering countercurrent at 15 oC and leaving at 25 oC in a double pipe heat exchanger composed of ¾” Sch. 40 and 1.5” Sch. 40 steel pipes. The entering velocity of liquid is 1.5 m/s. ho = 5000 W/m2-K; hi = 1100 W/m2-K; k of pipe = 45 W/m-K. Determine the overall heat transfer coefficient in W/m2-K.
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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A liquid is to be cooled from 60 oC to 20 oC using water entering countercurrent at 15 oC and leaving at 25 oC in a double pipe heat exchanger composed of ¾” Sch. 40 and 1.5” Sch. 40 steel pipes. The entering velocity of liquid is 1.5 m/s. ho = 5000 W/m2-K; hi = 1100 W/m2-K; k of pipe = 45 W/m-K. Determine the overall heat transfer coefficient in W/m2-K.
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