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Hot oil at a flow rate of 7.2 kg/s (average c, = 1.92 kJ/kgK) enters an existing counter-flow one to one heat exchanger at 385 K and is cooled by water entering into the shell side of the exchanger at 295 K (under pressure) and flowing at a rate of 4.5 kg/s and the water exit temperature is 345 K. The outside surface area is 15 m?. (Average specific heat of water is 4.187 kJ/kgK) O Calculate the exit oil temperature. (ii) Calculate the overall heat transfer coefficient. (iii) ) Calculate the overall thermal resistance.

Hot oil at a flow rate of 7.2 kg/s (average c, = 1.92 kJ/kgK) enters an existing counter-flow one to one heat exchanger at 385 K and is cooled by water entering into the shell side of the exchanger at 295 K (under pressure) and flowing at a rate of 4.5 kg/s and the water exit temperature is 345 K. The outside surface area is 15 m?. (Average specific heat of water is 4.187 kJ/kgK) O Calculate the exit oil temperature. (ii) Calculate the overall heat transfer coefficient. (iii) ) Calculate the overall thermal resistance.

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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Hot oil at a flow rate of 7.2 kg/s (average c, b) ] = 1.92 kJ/kgK) enters an existing counter-flow one to one heat exchanger at 385 K and is cooled by water entering into the shell side of the exchanger at 295 K (under pressure) and flowing at a rate of 4.5 kg/s and the water exit temperature is 345 K. The outside surface area is 15 m?. (Average specific heat of water is 4.187 kJ/kgK) (1) Calculate the exit oil temperature. (i) (ii) Calculate the overall heat transfer coefficient. (iii) Calculate the overall thermal resistance.
Transcribed Image Text:Hot oil at a flow rate of 7.2 kg/s (average c, b) ] = 1.92 kJ/kgK) enters an existing counter-flow one to one heat exchanger at 385 K and is cooled by water entering into the shell side of the exchanger at 295 K (under pressure) and flowing at a rate of 4.5 kg/s and the water exit temperature is 345 K. The outside surface area is 15 m?. (Average specific heat of water is 4.187 kJ/kgK) (1) Calculate the exit oil temperature. (i) (ii) Calculate the overall heat transfer coefficient. (iii) Calculate the overall thermal resistance.
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