Problem 1: Crude oil at the rate of 150,000 kg/h is to be heated from 20°C to 57 °C by heat exchange with the bottom product from a distillation unit. The product at 129,000 kg/h is to be cooled from 146°C to 107 °C. There is an available tubular exchanger with steel tubes with an inside shell diameter of 23.25 inches, having one pass on the shell side and two passes on the tube side. It has 324 tubes, % in OD, BWG 14, 12 ft long arranged on a 1-in square pitch and supported by baffles with a 25% cut, spaced at 9-in intervals. Is this heat exchanger suitable to achieve this heat transfer? CpJ/g.C H4, CP p. kg/m³ k. W/m-°C Product, outside tubes 2.20 5.2 867 0.119 Crude, inside tubes 1.99 2.9 825 0.137

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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i have no idea where Q 5700000 came from?

Problem 1:
Crude oil at the rate of 150,000 kg/h is to be heated from 20°C to 57 °C by heat exchange with
the bottom product from a distillation unit. The product at 129,000 kg/h is to be cooled from
146°C to 107 °C. There is an available tubular exchanger with steel tubes with an inside shell
diameter of 23.25 inches, having one pass on the shell side and two passes on the tube side. It
has 324 tubes, % in OD, BWG 14, 12 ft long arranged on a 1-in square pitch and supported by
baffles with a 25% cut, spaced at 9-in intervals.
Is this heat exchanger suitable to achieve this heat transfer?
CJ/g.°C
A4, cP
p. kg/m³
k, W/m-°C
Product, outside tubes
2.20
5.2
867
0.119
Crude, inside tubes
1.99
2.9
825
0.137
Transcribed Image Text:Problem 1: Crude oil at the rate of 150,000 kg/h is to be heated from 20°C to 57 °C by heat exchange with the bottom product from a distillation unit. The product at 129,000 kg/h is to be cooled from 146°C to 107 °C. There is an available tubular exchanger with steel tubes with an inside shell diameter of 23.25 inches, having one pass on the shell side and two passes on the tube side. It has 324 tubes, % in OD, BWG 14, 12 ft long arranged on a 1-in square pitch and supported by baffles with a 25% cut, spaced at 9-in intervals. Is this heat exchanger suitable to achieve this heat transfer? CJ/g.°C A4, cP p. kg/m³ k, W/m-°C Product, outside tubes 2.20 5.2 867 0.119 Crude, inside tubes 1.99 2.9 825 0.137
de ho.hio
ho thio
(.e
U₂
AD
L
the
D
Us
**
From the
2
Aat
59.48
Q
AZH
Blee / hr ft" of
N+ x length xa"
324*12*0.1963.
2 763.21444"
5,700000
(763-2184) (88)
all 20.1963 linft. fth
heat transfer.
above calculations
+ 84.86
U 2 UD which shed it not
heat exchanger to not suitable
is not suitable to achine this
Transcribed Image Text:de ho.hio ho thio (.e U₂ AD L the D Us ** From the 2 Aat 59.48 Q AZH Blee / hr ft" of N+ x length xa" 324*12*0.1963. 2 763.21444" 5,700000 (763-2184) (88) all 20.1963 linft. fth heat transfer. above calculations + 84.86 U 2 UD which shed it not heat exchanger to not suitable is not suitable to achine this
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