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ABSTRACT
The thermodynamic properties of pure substances can be graphically represented in a plane, in the form of thermodynamic charts. Several coordinate systems can be chosen depending on the use made of these diagrams. In this paper, we provide a dozen examples of charts and show how three types of cycle can be plotted in them.
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Renaud GICQUEL: Professor - PSL – Research University, PERSEE – Centre procédés, énergies renouvelables et systèmes énergétiques, Mines ParisTech, Sophia Antipolis, France
INTRODUCTION
This article follows on from the article Thermodynamic diagrams – Generalities
The article itself is structured in three parts: first, the main types of diagrams used in practice are presented; a dozen examples relating to some common fluids are then given; finally, the representation in these diagrams of three basic thermodynamic cycles is explained (steam power plant cycle, R 134a refrigeration cycle, and gas turbine cycle).
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Physics of energy
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