class CFWH(object):
"""
This is a very specific use of the base state and component functions
that I need for a project in my Thermo class. Once I am done with the project
I plan on introducing a much more generica way of developing a cycle
"""
def __init__(self, t0, p0, p_1, t_1, p_2, eta_t, eta_p, p_cond, TL, TH):
self.one = State('Water', P=p_1, T=t_1)
self.one.define()
self.two = State('Water', P=p_2)
self.turb_one = Turbine(self.one, self.two)
self.turb_one.isentropic(eta_t)
self.turb_one.exergyBalance(t0, p0)
self.three = State('Water', P=p_cond)
self.turb_two = Turbine(self.two, self.three)
self.turb_two.isentropic(eta_t)
self.four = State('Water', P=p_cond, Q=0)
self.four.define()
self.five = State('Water', P=p_1)
self.pump_one = Pump(self.four, self.five)
self.pump_one.isentropic(eta_p)
self.six = State('Water', P=p_1, T=350)
self.six.define()
self.seven = State('Water', P=p_2, Q=0)
self.seven.define()
self.eight = State('Water', P=p_cond, h=self.seven.properties['h'])
self.eight.define()
y = ((self.six.properties['h']-self.five.properties['h'])
/(self.two.properties['h']-self.seven.properties['h']))
self.y = y
self.turb_two.exergyBalanceY(t0, p0, y)
self.pump_one.exergyBalance(t0, p0)
self.superHeater = Reheater(self.six, self.one)
self.eta = (sum([self.turb_one.w, self.turb_two.w, self.pump_one.w])/
sum([self.superHeater.q]))
self.E = self.eta*(1/(1-float(TL)/float(TH)))
self.cfwh = CFeedWater([self.two, self.five], [y, 1], [self.seven, self.six],
[y, (1-y)], t0, p0)
class OFWH(object):
def __init__(self, t0, p0, p_1, t_1, p_2, eta_t, eta_p, p_cond, TL, TH):
self.one = State('Water', P=p_1, T=t_1)
self.one.define()
self.two = State('Water', P=p_2)
self.turb_one = Turbine(self.one, self.two)
self.turb_one.isentropic(eta_t)
self.turb_one.exergyBalance(p0, t0)
self.three = State('Water', P=p_cond)
self.turb_two = Turbine(self.two, self.three)
self.turb_two.isentropic(eta_t)
self.four = State('Water', P=p_cond)
self.condensor = Condensor(p_cond, self.three, self.four)
self.five = State('Water', P=p_2)
self.pump_one = Pump(self.four, self.five)
self.pump_one.isentropic(eta_p)
self.six = State('Water', P=p_2, Q=0)
if self.six.define():
y = ((self.six.properties['h']-self.five.properties['h'])
/(self.two.properties['h']-self.five.properties['h']))
else:
print 'Failed to define state 6'
self.y = y
self.seven = State('Water', P=p_1)
self.pump_two = Pump(self.six, self.seven)
self.pump_two.isentropic(eta_p)
self.pump_two.exergyBalance(t0, p0)
self.turb_two.exergyBalanceY(t0, p0, y)
self.pump_one.exergyBalanceY(t0, p0, y)
self.superHeater = Reheater(self.seven, self.one)
self.eta = (sum([self.turb_one.w, self.turb_two.w, self.pump_one.w, self.pump_two.w])/
sum([self.superHeater.q]))
self.E = self.eta*(1/(1-float(TL)/float(TH)))
self.ofwh = OFeedWater([self.two, self.five], [y, (1-y)], self.six, [1], t0, p0)
