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Advanced Thermodynamics for Engineers, 2nd Edition
book

Advanced Thermodynamics for Engineers, 2nd Edition

by Ali Turan, D. Winterbone
February 2015
Intermediate to advanced content levelIntermediate to advanced
578 pages
19h 27m
English
Butterworth-Heinemann
Content preview from Advanced Thermodynamics for Engineers, 2nd Edition
and
g
m
¼ h
m
ðTÞþh
0;m
T
s
m
ðTÞ<ln p
r
þ s
0;m
¼
h
0;m
Ts
0;m
þðh
m
ðTÞTs
m
ðTÞÞþ<Tln p
r
: (9.24)
If the terms at T
0
are combined to give
g
0;m
¼ h
0;m
Ts
0;m
(9.25)
and the temperature dependent terms are combined to give
g
m
ðTÞ¼h
m
ðTÞTs
m
ðTÞ (9.26)
then
g
m
¼ g
m
ðTÞþ<Tln p
r
þ g
0;m
: (9.27)
Often g
m
(T) and g
0,m
are combined to give g
0
m
, which is the pressure independent portion of the
Gibbs energy, i.e. g
0
m
¼ g
m
ðTÞþg
0;m
, and then
g
m
¼ g
0
m
þ<Tln p
r
: (9.28)
g
0
m
is the value of the molar Gibbs energy at a temperature, T, and a pressure of p
0
, and it is a
function of temperature alone. The datum pressure, p
0
, is usually chos en as 1 bar nowadays
(although much data is published based ...
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Publisher Resources

ISBN: 9780444633736