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Calculation of Thermodynamic properties of Fluid Using a New Equation of State

Gh A. Parsafar, F. Kermanpour

Open publisher page 1 citations

Abstract

Using the Lennard-Jones (12-6) potential, a new equation of state is obtained that can predict properties of both gases and liquids relatively well. This equation of state is given as (Z-a)V2=(A/V2)-B, where Z is the compressibility factor, A and B are constants, and a is an adjustable parameter that depends on the temperature, volume and the nature of the fluid, and its expressions depends upon the fluid status. In this paper, appropriate expressions for argon are given for a, in the liquid region when 0.6<Tr<1, and in the gaseous region when 1.1

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What this paper is about

Using the Lennard-Jones (12-6) potential, a new equation of state is obtained that can predict properties of both gases and liquids relatively well. This equation of state is given as (Z-a)V2=(A/V2)-B, where Z is the compressibility factor, A and B are constants, and a is an adjustable parameter that depends on the temperature, volume and the nature of the fluid, and its expressions depends upon the fluid status. In this paper, appropriate expressions for argon are given for a, in the liquid region when 0.6<Tr<1, and in the gaseous region when 1.1

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Available abstract

Using the Lennard-Jones (12-6) potential, a new equation of state is obtained that can predict properties of both gases and liquids relatively well. This equation of state is given as (Z-a)V2=(A/V2)-B, where Z is the compressibility factor, A and B are constants, and a is an adjustable parameter that depends on the temperature, volume and the nature of the fluid, and its expressions depends upon the fluid status. In this paper, appropriate expressions for argon are given for a, in the liquid region when 0.6<Tr<1, and in the gaseous region when 1.1

Key concepts: Equation of state, Compressibility factor, Compressibility, Thermodynamics, Volume (thermodynamics), Argon, Chemistry, State (computer science)

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