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25: Hot oil at a rate of 1.2 kg/s (Cp = 2083 J/(kg-K)) flows through double pipe heat exchanger. It enters at 633 K (360 °C) and leaves at 573 K (300 °C). The cold fluid enters at 303 K (30 °C) and leaves at 400 K (127 °C). If the overall heat transfer coefficient is 500 W/(m²K). Calculate the heat transfer area for (i) parallel flow and (ii) countercurrent flow

25: Hot oil at a rate of 1.2 kg/s (Cp = 2083 J/(kg-K)) flows through double pipe heat exchanger. It enters at 633 K (360 °C) and leaves at 573 K (300 °C). The cold fluid enters at 303 K (30 °C) and leaves at 400 K (127 °C). If the overall heat transfer coefficient is 500 W/(m²K). Calculate the heat transfer area for (i) parallel flow and (ii) countercurrent flow

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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Ans. 25: Hot oil at a rate of 1.2 kg/s (Cp = 2083 J/(kg-K)) flows through double pipe heat exchanger. It enters at 633 K (360 °C) and leaves at 573 K (300 °C). The cold fluid enters at 303 K (30 °C) and leaves at 400 K (127 °C). If the overall heat transfer coefficient is 500 W/(m²K). Calculate the heat transfer area for (i) parallel flow and (ii) countercurrent flow. Solution: (i) Parallel flow :
Transcribed Image Text:Ans. 25: Hot oil at a rate of 1.2 kg/s (Cp = 2083 J/(kg-K)) flows through double pipe heat exchanger. It enters at 633 K (360 °C) and leaves at 573 K (300 °C). The cold fluid enters at 303 K (30 °C) and leaves at 400 K (127 °C). If the overall heat transfer coefficient is 500 W/(m²K). Calculate the heat transfer area for (i) parallel flow and (ii) countercurrent flow. Solution: (i) Parallel flow :
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