meca.py

Created by maxime-rigotti

Created on March 27, 2024

1.15 KB


 volume cyl
V=piD**2/4*C *nbre cyl
c=course d=diamtre 

 rapp volumetriq
rV= V+v/v

 puiss
P=C*piN/30
c=Nm piN/30=tr/min

 rendement
m=3600/CSE*PCI

 PME
4piC/V

conso pour g/kg/t
conso=CSE*puiss
conso=g/h ou kg/h CSE=g/KWh

conso pour l/kl/cl
CONSO=conso*1/Pc
CONSO=l/h Pc=masse volum en kg/l

CSE=conso/puiss
en g/kwh

1m3=1000L
1L=1dm3

8=4*2  4=8/2  2=8/4

 richesse
(Qmc/Qmair)/(1/PCO)

Pmoteur=(PME*V*N)/120(4*30)
V=m3  N=tr/min PME=Pa

Qv=VN/2=P/rT en m3/h

Pair=Qmair/Qv

rdmt comb=Qdegagee/Epot chimiq
rdmt th=Wtheo/Qdegagee
rdmt th=1-E**1-Y
rdmt forme=Windiq/Wtheo
rdmt meca=Weff/Windiq
rdmt indiq=Windiq/Epot  Epot=mc*PCI
rdmt eff=Weff/Epot
rdmt eff=Peff/Pintro

PV=mrT  m=PV/rT  m/V=P/rT

A/F=Qmcair/Qmc = air/carb
Peff=rdmt eff*(Qmair/(A/F))
Qmc=Qmair/(A/F)
Qmair=(Peff*(A/F))/rdmt eff*PCI
Qmair=(Qmc*PCO)/richess
Qmair en g/cycle
Qmair*1000*60*(1/N/2)
Qmc=CSE/puiss
en kg/h 
Qmc=richess*1/PCO
Qmc=cse*puiss/3600 en g/s
Pintro=Peff/rendmt
Qmairc=Qmair*(sqrtT1c/T0)/(P1c/P0)


T2ise=T1c*(PIc)**(Gamma-1/gamma)

T2c=(T2ise-T1+T1)/rendmtise

efficacite echangeur
(T2is-T1e)/(t2c/t0)

C=PME*V/4PI
Puiss=PME*V*N/120

RAS=(PME*PCO)/(Pst*PCI*R*rendmt)



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