outil.py

Created by lisa-malbois

Created on May 31, 2024

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variaH=CpVariaT

phase condensee :
. variaH = mce.variaT
. variaS = Cln(Tf/Ti)
C=m.ce
. variaS = variaH/T

vaporisation L V
variaH= ml(vap)

vapeur GP:
variaH = Cp.variaT

energie interne = variaU

e=Qf/W=r

W=P=Qf/e en Watt

pompe a chaleur => COP = Tc/Tc-Tf
= -Qc/W

rendement = rendement carnot ssi reversible 
moteur : r = -W/Qc = 1-Tf/Tc

variaS = nRln(PV**gamma)/gamma-1

si c'est un cycle variaS = 0


variaS = 0 ssi reversible et adiabatique
variaH = 0 ssi  une expansion ou une 
compression de gaz dans une soupape 
de detente (Joule-Thomson)

variaU=0 ssi energie interne du systeme 
reste constante, souvent associe à un cycle 
ferme ou à un processus isotherme 
pour un gaz parfait.
exemple = cycle carnot 

Sech = 0 ssi pas de transfert entre
le systeme et l'exterieur 




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