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Improved equation of state of metals in the liquid-vapor region

Published online by Cambridge University Press:  21 September 2006

A. RAY ,
M.K. SRIVASTAVA ,
G. KONDAYYA  and
S.V.G. MENON
A. RAY
Affiliation:
Theoretical Physics Division, Bhabha Atomic Research Center, Mumbal, India
M.K. SRIVASTAVA
Affiliation:
Theoretical Physics Division, Bhabha Atomic Research Center, Mumbal, India
G. KONDAYYA
Affiliation:
Theoretical Physics Division, Bhabha Atomic Research Center, Mumbal, India
S.V.G. MENON
Affiliation:
Theoretical Physics Division, Bhabha Atomic Research Center, Mumbal, India
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Abstract

The existing “quotidian equation state” model, based on Thomas-Fermi theory, is modified so as to improve the low density region of phase diagram of metals. A scheme for estimating the critical parameters of liquid-vapor phase transition is proposed. The new model reproduces experimental critical isotherms to a good degree of accuracy. Furthermore, the proposed model is validated with thermodynamic data in the liquid-vapor co-existence region, including results on isobaric expansion as well as released isentropes.

Keywords

Critical constantsIsobaric expansionQEOSRelease isentropes
Type
Research Article
Information
Laser and Particle Beams , Volume 24 , Issue 3 , September 2006 , pp. 437 - 445
Copyright
© 2006 Cambridge University Press

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References

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