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The Way of Entropy: from Lagrangian Modelling to Thermal Engineering
Author(s) -
Nilo Serpa,
Gisele Alves Fernandes
Publication year - 2020
Publication title -
calibre - revista brasiliense de engenharia e física aplicada
Language(s) - English
Resource type - Journals
ISSN - 2526-4192
DOI - 10.17648/calibre.v5.1476
Subject(s) - physics , humanities , thermodynamics , entropy (arrow of time) , entropy production , philosophy
This article discusses the concept of entropy in an alternative thermodynamic view, demonstrating dialectically that the reversibility illustrated in common laboratory practice is only a local technical effect resulting from anthropic processes that slow down the irreversible advance of the disorder. Then, negative entropy is only a fiction stemming from the imaginationist idealism. The Lagrangian formalism is applied from the introduction of the idea of temporal confinement of thermal energy states, with time being interpreted as the basis of an evolutionary variable. The acceleration of entropy is formally presented independently of statistical mechanics. Key words : thermodynamics, entropy, entropy acceleration, irreversibility. O presente artigo discute o conceito de entropia numa visao termodinâmica alternativa, demonstrando dialeticamente que a reversibilidade ilustrada na pratica laboratorial comum e apenas um efeito tecnico local decorrente de processos antropicos que desaceleram o avanco irreversivel da desordem. Dessa forma, entropia negativa e uma ficcao decorrente do idealismo imaginacionista. O formalismo Lagrangeano e aplicado a partir da introducao da ideia de confinamento temporal dos estados de energia termica, com o tempo sendo interpretado como base de uma variavel evolutiva. A aceleracao da entropia e formalmente apresentada de modo independente da mecânica estatistica. Palavras-chave : termodinâmica, entropia, aceleracao da entropia, irreversibilidade.

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