Inversion Line for Carbon Dioxide Gas

by Roman Pikalov

Submitted : Spring 2014

Joule-Thomson coefficient and the van der Waals equation of state can be interlinked mathematically for obtaining an equation that can be used for calculating various states of a real gas. Below the inversion temperature gas molecules undergo increase in interaction on expansion and cooling takes place. Whereas, above the inversion temperature repulsive forces will exist between the molecules and they will not experience cooling, instead an increase in the temperature takes place. In this project an introduction to the Joule-Thomson effect and inversion state of a gas is given along with their important applications. A mathematical approach towards a solution for calculation of inversion states of carbon dioxide gas using the Joule-Thomson coefficient and van der Waals equation is also provided. At the end, analyses of the obtained results and some recommendations for further research have been given.

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