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The vapour pressure and P-v-T behaviour in the superheated vapour region of difluoromethane (R32) were determined experimentally by means of a constant volume apparatus. The vapour pressure measurements ranged from 238 to 351 K, while the P-v-T experimental points were obtained along five isochores in the density range from 20 to 57 kg/m3 and in the temperature range from 273 to 360 K. A vapour pressure correlation fitting the experimental data is presented, and the P-v-T experimental points are compared with an equation of state available in literature.

Additional information

Authors: BARONCINI C, Università di Chieti, Dipartimento di Scienze, Storia dell'Architettura e Restauro, Pescara (IT);CAMPORESE R, Consiglio Nazionale delle Ricerche, Istituto per la Tecnica del Freddo, Padova (IT);GIULIANI G, Università di Ancona, Dipartimento di Energetica (IT);LATINI G, Università di Ancona, Dipartimento di Energetica (IT);POLONARA F, Università di Ancona, Dipartimento di Energetica (IT)
Bibliographic Reference: Paper presented: 13th European Conference on Thermophysical Properties, Lisboa (PT), August 30 - September 3, 1993
Availability: Available from (1) as Paper EN 37872 ORA
Record Number: 199311350 / Last updated on: 1994-11-28
Original language: en
Available languages: en
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