KNOWN: Counterflow concentric tube heat exchanger. FIND: (a) Total heat transfer rate and outlet temperature of the water and (b) Required length. SCHEMATIC: Thi=100°C m,=0.1kg/s Qil,h Tro-60t AT Tei=30°C TA Dimc=0.1kg/s Water, c Concentric tube: U-60W/m2.K Too %3D D=25mm

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
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3-
KNOWN: Counterflow concentric tube heat exchanger.
FIND: (a) Total heat transfer rate and outlet temperature of the water and (b) Required length.
SCHEMATIC:
Th;=100°C
- rm, =0.1kg/s Oil,h
Tho-60t
AT
Tei=30°C
TA
Dimc=0.1kg/s Water, c
Concentric tube:
U=60W/m2.K
D=25mm
To
PROPERTIES: (given):
p (kg/m')
Cp (J/kg-K)
Water
1000
4200
Oil
800
1900
Transcribed Image Text:3- KNOWN: Counterflow concentric tube heat exchanger. FIND: (a) Total heat transfer rate and outlet temperature of the water and (b) Required length. SCHEMATIC: Th;=100°C - rm, =0.1kg/s Oil,h Tho-60t AT Tei=30°C TA Dimc=0.1kg/s Water, c Concentric tube: U=60W/m2.K D=25mm To PROPERTIES: (given): p (kg/m') Cp (J/kg-K) Water 1000 4200 Oil 800 1900
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