Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50604#.VEdC4VfHRK0 Author(s) Olivier Serret Affiliation(s) ESIM Engineer—60 rue de la Marne, Cugnaux, France . ABSTRACT The traditional thermodynamic theory explains the reversible phenomena quite well, except that reversible phenomena are rare or even impossible in practice. Here the purpose is to propose an explanation valid for reversible and also irreversible phenomena, irreversibility being common or realistic. It previously exposed points tricky to grasp, as the sign of the work exchange, the adiabatic expansion in vacuum (free expansion) or the transfer of heat between two bodies at the same temperature (isothermal transfer). Af...
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