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Steady-state operational degrees of freedom with application to refrigeration cycles / Jørgen Bauck Jensen in Industrial & engineering chemistry research, Vol. 48 N° 14 (Juillet 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 14 (Juillet 2009) . - pp. 6652–6659 Titre : Steady-state operational degrees of freedom with application to refrigeration cycles Type de document : texte imprimé Auteurs : Jørgen Bauck Jensen, Auteur ; Sigurd Skogestad, Auteur Année de publication : 2009 Article en page(s) : pp. 6652–6659 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Freedom  Refrigeration  cyclesLiquified  natural  gas  C3MR  process  Mixed  fluid  cascade  process Résumé : An important issue for optimal operation and plantwide control is to find the degrees of freedom available for optimal operation. A previously published systematic approach to determine the steady state degrees of freedom is expanded to take into account the active charge as a possible degree of freedom in cyclic processes. Additional degrees of freedom related to the composition of the circulating refrigerant are also discussed. Two liquified natural gas (LNG) processes of current interest, the C3MR process from Air Products and the mixed fluid cascade (MFC) process developed by Statoil-Linde LNG Technology Alliance, are studied with respect to operational degrees of freedom. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800565z [article] Steady-state operational degrees of freedom with application to refrigeration cycles [texte imprimé] / Jørgen Bauck Jensen, Auteur ; Sigurd Skogestad, Auteur . - 2009 . - pp. 6652–6659. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 14 (Juillet 2009) . - pp. 6652–6659 Mots-clés : Freedom  Refrigeration  cyclesLiquified  natural  gas  C3MR  process  Mixed  fluid  cascade  process Résumé : An important issue for optimal operation and plantwide control is to find the degrees of freedom available for optimal operation. A previously published systematic approach to determine the steady state degrees of freedom is expanded to take into account the active charge as a possible degree of freedom in cyclic processes. Additional degrees of freedom related to the composition of the circulating refrigerant are also discussed. Two liquified natural gas (LNG) processes of current interest, the C3MR process from Air Products and the mixed fluid cascade (MFC) process developed by Statoil-Linde LNG Technology Alliance, are studied with respect to operational degrees of freedom. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie800565z