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ProSim - Simulis Thermodynamics - Un serveur ... - SFGP

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PPC-SAFT – Projet ANR MEMOBIOL<br />

Statistical Associating Fluid Theory (Chapman et al. 1990)<br />

Z résiduel = Z SAFT – 1 = m (Z rep + Z disp ) + Z chaine + Z assoc + Extension polaire (Z pol )<br />

µ ou Q<br />

Z rep = Z réference HS = f(σ, ε)<br />

Dispersion-attraction f(σ, ε)<br />

Gubbins et Twu 1978<br />

σ<br />

ε<br />

Chaine f (m,σ)<br />

∂ ln<br />

Zchaine=<br />

( 1 - m ) ρ<br />

i ∂<br />

HS<br />

g ( d )<br />

ρ<br />

Association κ assoc , ε assooc<br />

m<br />

assoc<br />

Z =<br />

ρ<br />

∑<br />

A<br />

⎛<br />

⎜<br />

⎝<br />

1<br />

X<br />

A<br />

−<br />

1<br />

2<br />

⎞<br />

⎟<br />

⎠<br />

A<br />

∂ X<br />

∂<br />

ρ<br />

, X A = f (κ assoc ε assooc )<br />

µ, Q<br />

Modèle de chaîne à m<br />

segments sphériques<br />

κ assoc<br />

ε assooc<br />

Sites d’association<br />

www.prosim.net<br />

<strong>Simulis</strong> <strong>Thermodynamics</strong> - <strong>Un</strong> <strong>serveur</strong> thermodynamique complet, évolutif et ouvert – Olivier Baudouin<br />

<strong>SFGP</strong> groupes IEP & Thermodynamiques – Toulouse – 12 Mai 2011

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