Article (Scientific journals)
Application of the group contribution volume translated Peng–Robinson equation of state to new commercial refrigerant mixtures
Bell, I. H.; Welliquet, J.; Mondejar, M. E. et al.
2019In International Journal of Refrigeration, 103, p. 316-328
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Keywords :
Cubic equation of state; Équation d’état cubique; GC-VTPR; Mélanges de frigorigènes; Peng-Robinson; Peng–Robinson; Refrigerant mixtures; UNIFAC
Abstract :
[en] This work evaluates the performance of the group contribution volume translated Peng–Robinson model when predicting the vapor–liquid equilibrium and single phase densities of 28 refrigerant mixtures with low global warming potential and zero ozone depletion potential. Cubic equations of state, and particularly the Peng–Robinson equation of state, are widely used in the refrigeration industry due to their easy applicability for new substances, and their low computational time, although generally lower prediction accuracies must be expected compared to multiparameter equations of state. The group contribution volume translated Peng–Robinson equation of state combines the Peng–Robinson equation of state with a new attraction term, improved mixing rules using a group contribution approach, and volume translation. The results are compared with the estimates obtained using the non-volume-translated Peng–Robinson equation of state, and a multiparameter equation of state.
Disciplines :
Energy
Materials science & engineering
Chemical engineering
Author, co-author :
Bell, I. H.
Welliquet, J.
Mondejar, M. E.
Bazyleva, A.
Quoilin, Sylvain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Département d'aérospatiale et mécanique
Haglind, F.
Language :
English
Title :
Application of the group contribution volume translated Peng–Robinson equation of state to new commercial refrigerant mixtures
Publication date :
2019
Journal title :
International Journal of Refrigeration
ISSN :
0140-7007
Publisher :
Elsevier, Netherlands
Volume :
103
Pages :
316-328
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 June 2019

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