time_list=[]
temp_list=[]
time_list2=[]
temp_list2=[]
time_list3=[]
temp_list3=[]
NotOpenVent = False
for n in range(166000):
time = (n+1)*0.00002
area_valve = 5.E-5
roh = r1.density()
kappa = gas.cp_mole()/gas.cv_mole()
nym_real = min(gas_sink.pressure()/r1.pressure(),((2./(kappa+1.))**(kappa/(kappa-1.))))
#print nym_real,gas_sink.pressure()/r1.pressure(),((2./(kappa+1.))**(kappa/(kappa-1.)))
Ausfluss = ( (kappa/(kappa-1.)) * (nym_real**(2./kappa))* (1.-(nym_real**((kappa-1.)/kappa)))**(1./2.))
Kv = area_valve * 1. * Ausfluss * (2*gas_sink.pressure()*roh)**(1./2.) / roh
print r1.density(),r1.temperature(),r1.pressure()
if (r1.pressure()/1E5)>1.5 or NotOpenVent:
v1.setValveCoeff(Kv)
NotOpenVent = True
sim.advance(time)
# steady state. A few residence times should be enough.
t = 0.0
time_list=[]
CO_list=[]
Quell_list=[]
for n in range(19000):
tres = mixer.mass()/(mfc1.massFlowRate() + mfc2.massFlowRate())
t += 2*tres
sim.advance(t)
time_list.append(t)
#reflow = mixer.massFraction('CO') * outlet.massFlowRate()/5
#mfc3.set(mdot = reflow)
Quell_list.append(mfc2.massFlowRate())
CO_list.append(mixer.density()*mixer.massFraction('CO')*1000*1000)
if t>1.:
mfc2.set(mdot=0.1)
if t>5.:
mfc2.set(mdot=0.0)
print '%14.5g %14.5g %14.5g ppm CO %14.5g kg/s'% (t, mixer.massFraction('CO'),mixer.density()*mixer.massFraction('CO')*1000*1000,mfc2.massFlowRate())
p.plot(list_to_array(time_list),list_to_array(CO_list))
p.plot(list_to_array(time_list),list_to_array(Quell_list),'+')
p.show()
# view the state of the gas in the mixer
#print mixer.contents()
