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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
The negative sign is introduced because an increase in pressure produces a decrease in volume and
hence
vv
vp
T
< 0 (see Section 7.4); it is more convenient to have a coefficient with a positive value
and the negative sign achieves this. The isothermal compressibility of a fluid is analogous to the
Young’s modulus of a solid.
The other coefficient that can be defined is the coefficient of expansion, b. This is defined as the
‘volumetric strain’ produced by a change in temperature, giving
b ¼
1
v
vv
vT
p
¼
1
V
vV
vT
p
: (8.12)
The coefficient of expansion is analogous to the coefficient of thermal expansion of a solid
material.
Hence, Eqn (8.4) may be written
dv
v
¼
dV
V
¼ ...
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Publisher Resources

ISBN: 9780444633736