2018
DOI: 10.1590/1806-9126-rbef-2018-0136
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Processos Termodinâmicos em Linha Reta em Diagramas p-V

Abstract: Serão apresentadas propriedades gerais de processos termodinâmicos em que a pressão de um gás ideal varia linearmente com o seu volume. Denominamos esses processos termodinâmicos como "processos em linha reta". Ao se integrar a função obtida para a dependência entre a pressão e o volume foi possível escrever uma expressão geral para o trabalho associado aos processos em linha reta em termos do estado inicial do gás que sofre a transformação e das taxas de pressurização e expansão da transformação sofrida por e… Show more

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“…Here c p is the heat capacity at constant pressure, and c V is the heat capacity at constant volume. For an ideal gas c p = c V + R (where R = 8.314 J.mol −1 .K −1 is the ideal gas constant) and c V = f R/2, where f is the number of degrees of freedom (3 for a monatomic ideal gas, 5 for a diatomic ideal gas or a gas of linear molecules and 6 for a polyatomic ideal gas [12,13]). By dividing equation ( 3) by (1), it is possible to find an expression for the volume of the state b…”
Section: The Carnot Cyclementioning
confidence: 99%
“…Here c p is the heat capacity at constant pressure, and c V is the heat capacity at constant volume. For an ideal gas c p = c V + R (where R = 8.314 J.mol −1 .K −1 is the ideal gas constant) and c V = f R/2, where f is the number of degrees of freedom (3 for a monatomic ideal gas, 5 for a diatomic ideal gas or a gas of linear molecules and 6 for a polyatomic ideal gas [12,13]). By dividing equation ( 3) by (1), it is possible to find an expression for the volume of the state b…”
Section: The Carnot Cyclementioning
confidence: 99%