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Comportements et mesures des propriétés thermodynamiques de propane, de n-butane et de l'isobutane dans une fourchette de températures allant de 280 à 440 K, à des pressions atteignant les 200 MPA.

Behaviours of thermodynamic property measurements for propane, n-butane and isobutane in the temperature range from 280 to 440 K at pressures up to 200 MPA.

Auteurs : MIYAMOTO H., UEMATSU M.

Résumé

In this paper, the authors introduce their results of PrhoTchi and saturation property measurements for pure hydrocarbons, as well as for binary mixtures by means of the metal-bellows valuable volumometer, which can obtain the absolute density of the sample fluid directly. The present measurements were performed in the ranges of temperatures from 280 to 440 K at pressures up to 200 MPa. Throughout the present study, the comprehensive comparisons of the (PrhoTchi) measurements with data from literatures for pure hydrocarbons and their mixtures were made, in order to assess the reliability of the present ones and a part of available data quantitatively. For binary mixtures, moreover, the excess molar volumes were calculated and are illustrated as a function of temperature and pressure.

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Pages : ICR07-B1-516

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Détails

  • Titre original : Behaviours of thermodynamic property measurements for propane, n-butane and isobutane in the temperature range from 280 to 440 K at pressures up to 200 MPA.
  • Identifiant de la fiche : 2007-2460
  • Langues : Anglais
  • Source : ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Date d'édition : 21/08/2007

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