Thermodynamics and Energy

   

The Ideal Gas Equation P=αu and the Energy-Entropy Principle

Authors: Rodrigo de Abreu

The fundamental aim of this article is to show that by considering an ideal gas defined through p=αu, this relation between force and energy contains the whole thermodynamic information about the system. As a matter of fact we show that there is no need for an a priori introduction of the variables temperature or entropy since they result from the above relation and from the Energy Conservation Principle. Previous tautological treatments are thus eliminated and equations p=αu and pV = BT are related with generality. The theory is general since the ideal gas considered has the photon gas, which, of course, is ever present.

Comments: 7 Pages. Técnica 3, 15-21 (1994), (Int. Conf. on Phys. Ed. "Light and Information", Univ. do Minho, Braga, Portugal (1993).

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[v1] 2015-04-19 12:23:22

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