5. Convection Outside DUE 9/7. Aniline is to be cooled from 200 to 150 °F in a double-pipe heat exchanger having a total outside area of 70 ft². For cooling, a stream of toluene amounting to 8,600 lb/h at a temperature of 100 °F is available. The exchanger consists of Schedule 40 1⁄4-in. pipe in Schedule 40 2-in. pipe. The aniline flow rate is 10,000 lb/h. (a) If flow is counter-current, what are the toluene outlet temperature, the LMTD, and the overall heat- transfer coefficient? (b) What are they if flow is parallel? T +

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
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5.
Convection Outside
DUE 9/7. Aniline is to be cooled from 200 to 150 °F in a double-pipe heat exchanger having a total outside
area of 70 ft². For cooling, a stream of toluene amounting to 8,600 lb/h at a temperature of 100 °F is available.
The exchanger consists of Schedule 40 1¼-in. pipe in Schedule 40 2-in. pipe. The aniline flow rate is 10,000
lb/h. (a) If flow is counter-current, what are the toluene outlet temperature, the LMTD, and the overall heat-
transfer coefficient? (b) What are they if flow is parallel?
T
+②
Transcribed Image Text:5. Convection Outside DUE 9/7. Aniline is to be cooled from 200 to 150 °F in a double-pipe heat exchanger having a total outside area of 70 ft². For cooling, a stream of toluene amounting to 8,600 lb/h at a temperature of 100 °F is available. The exchanger consists of Schedule 40 1¼-in. pipe in Schedule 40 2-in. pipe. The aniline flow rate is 10,000 lb/h. (a) If flow is counter-current, what are the toluene outlet temperature, the LMTD, and the overall heat- transfer coefficient? (b) What are they if flow is parallel? T +②
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