Mesures isochoriques de la chaleur massique d'isobutane liquide.

Isochoric specific heat capacity measurements for liquid isobutane.

Auteurs : MIYAMOTO H., KITAJIMA H., KAGAWA N., et al.

Résumé

Experimental isochoric specific heat capacities (Cv) and properties for isobutane are presented that were measured with a twin-cell type adiabatic isochoric calorimeter. The measurements were obtained for temperatures from 272 to 408 K and for pressures up to 30 MPa. The sample purity was 99.99 mol%. The expanded uncertainties (i.e. a coverage factor k= 2) are 13 mK for temperature, 8 kPa for pressure, 0.16% for density and 3.6% for Cv in the liquid phase. An evaluation and a comparison of the experimental data with highly reliable equations of state confirmed satisfactorily the thermodynamic consistency of the measurements.

Détails

  • Titre original : Isochoric specific heat capacity measurements for liquid isobutane.
  • Identifiant de la fiche : 2006-1090
  • Langues : Anglais
  • Source : Green breeze from Asia: frontiers of refrigerants, heat transfer and system.. ACRA-2002. Proceedings of the Asian conference on refrigeration and air conditioning.
  • Date d'édition : 04/12/2002

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