Example A counterflow heat exchanger the lubricating oil for a large industrial gas tur bine engine. The flow rate of cooling water hrough the 0.2 kgis, while of tubes (Do = un mm) is al kg/s. The oil and at temperatures of 100°C is used to Cool inner tube (D:=25mm) out side is the flow rate of oil through the water enter and 30°C respectively. How long must be made if the oil is to be 60°C. TThe 07 side 38.4 w/m2K 21313/kgK , s'=3.25 x102 Ns Im? the tube oefficient is oil; CP = Convectio For k= O138 W/mk
Example A counterflow heat exchanger the lubricating oil for a large industrial gas tur bine engine. The flow rate of cooling water hrough the 0.2 kgis, while of tubes (Do = un mm) is al kg/s. The oil and at temperatures of 100°C is used to Cool inner tube (D:=25mm) out side is the flow rate of oil through the water enter and 30°C respectively. How long must be made if the oil is to be 60°C. TThe 07 side 38.4 w/m2K 21313/kgK , s'=3.25 x102 Ns Im? the tube oefficient is oil; CP = Convectio For k= O138 W/mk
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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Transcribed Image Text:Example A counterflow heat exchanger
is used to
Cool
the lubricating ail for a large industrial gas tur bine engine.
The flow rate of cooling water
0.2 kgls,
of tubes (Do=u5 mm) is 01 kg/s. The oil and
at temperatures of 1O0°C
the tube
through the
the flow rate of oil through the
inner tube (di=25mm)
out side
is
while
water enter
and 30°C respectively. How long must
be made if the oil is to be 60°C. The ol side
oefficient is
oil; Cp = 213I/egk, s=3.25 x 102 Ns/m²
Convection
38.4 w/m2K
15=3.25x102 Ns/m²
k= O.138 W/mk
For
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