Wanderlingh, F. (1992) Dissipation and entropy production: an epistemological attempt to unify mechanics and thermodynamics. Accademia Peloritana dei Pericolanti, Classe di Scienze FF. MM. NN., LXX . pp. 293-310.
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Abstract
In the usual physical teaching, Mechanics and Thermodynamics seem to belong to different paradigms, notwithstanding their common fundamental role. Key-words for stressing such a contrast are "reversibility" and "irreversibility", "probability" and "chance" or, in a metaphorical sense, "Newtonian" and "Aristotelic".
In my opinion we can recognise here a cause for the conceptual blunders that characterize the "physical" explanation of the everyday phenomena furnished by non-specia1ized people, even when an orthodox physical teaching has been done.
In the present paper I try to expose an unifying point of view, based on the naive concept of "memory function", that promote entropy to a more fundamental role. According to my proposal such a quantity is to be considered also in the mechanical description. The "ideal" reversible mechanics appears as a special limiting case that, moreover, can lead to some inconsistency. The opposite limiting case gives rise to the usual thermodynamics that, although in a different framework, is as well strictly deterministic.
A bridge is furnished by fluctuations. According to the present idea, fluctuation-dissipation theorem appears in a rather natural way, and its role in bridging mechanics and thermodynamics grounds the concept of Temperature.
| Item Type: | Article |
|---|---|
| Subjects: | M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Fisiche, Matematiche e Naturali > 1992 > Supplemento 1 M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Medico-Biologiche > 1992 > Supplemento 1 M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Scienze Giuridiche, Economiche e Politiche > 1992 > Supplemento 1 M.U.S. - Miscellanea > Atti Accademia Peloritana > Classe di Lettere Filosofia e belle Arti > 1992 > Supplemento 1 |
| Depositing User: | Dr A F |
| Date Deposited: | 01 Oct 2012 10:52 |
| Last Modified: | 01 Oct 2012 10:52 |
| URI: | http://cab.unime.it/mus/id/eprint/801 |
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