Crude oil flows at the rate of 12350 kg/hr through the inside pipe of a double pipe heat exchanger and is heated from 38 oC to 96 oC. The heat is supplied by a petroleum fraction initially at 245 oC, flowing through the annual space. If the temperature of the heating fluid falls down to 100oC inside the heat exchanger, compare the performance of parallel and counter-current exchangers with respect to the heat transfer area and fluid flow rates. Overall heat transfer coefficient is 428 kcal/hr.m2oC. Specific heats of crude oil and petroleum fraction are 0.59 and 0.72 kcal/kgoC respectively.
Crude oil flows at the rate of 12350 kg/hr through the inside pipe of a double pipe heat exchanger and is heated from 38 oC to 96 oC. The heat is supplied by a petroleum fraction initially at 245 oC, flowing through the annual space. If the temperature of the heating fluid falls down to 100oC inside the heat exchanger, compare the performance of parallel and counter-current exchangers with respect to the heat transfer area and fluid flow rates. Overall heat transfer coefficient is 428 kcal/hr.m2oC. Specific heats of crude oil and petroleum fraction are 0.59 and 0.72 kcal/kgoC respectively.
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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Crude oil flows at the rate of 12350 kg/hr through the inside pipe of a double pipe heat exchanger
and is heated from 38 oC to 96 oC. The heat is supplied by a petroleum fraction initially at 245 oC,
flowing through the annual space. If the temperature of the heating fluid falls down to 100oC
inside the heat exchanger, compare the performance of parallel and counter-current
exchangers with respect to the heat transfer area and fluid flow rates. Overall heat transfer
coefficient is 428 kcal/hr.m2oC. Specific heats of crude oil and petroleum fraction are 0.59 and 0.72
kcal/kgoC respectively.
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