Classical Physics


The Physical Nature of Entropy

Authors: Guido F. Nelissen

In my paper Part 1 on the physical nature of “Linear Momentum”, I have demonstrated that the difference between thermal motion and congruent motion is characterized by the degree of isotropy of the velocities of the particles and in my paper Part 3 on the physical nature of “Work, Kinetic Energy and Planck’s constant” I have demonstrated that the generation of work in particle systems consist in the transformation of isotropic motion into congruent translational motion. In my paper Part 5 on the physical nature of “Pressure, Temperature and Thermal Energy” I came to the conclusion that the statistical Maxwell – Boltzmann speed distribution function is a consequence of the repetitive isotropic collisions, that are typical for thermal motion. This allows me, on the basis of Clausius’ and Boltzmann’s absolute concepts of entropy, to propose a new proportionate entropy, in function of the degree of isotropy of the velocities of the elements of a particle system, which makes it possible to reveal the link between the second law of thermodynamics and Newton’s first law of motion, and which in my next paper will allow me to explain the physical nature of the variable velocity of particle systems.

Comments: 14 Pages.

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Submission history

[v1] 2017-11-15 15:23:21

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