def outflow(self):
""" Represents the flow conditions at the end of the Turbine """
return FlowCondition(mass_flow=self.inflow.mass_flow,
t_total=self.t_total,
p_total=self.p_isentropic if self.isentropic else self.p_total,
medium='gas',
station_number=self.station_number)
def outflow(self):
return FlowCondition(
mass_flow=self.inflow.mass_flow,
t_total=self.t_isentropic if self.isentropic else self.t_total,
p_total=self.p_total,
medium='air',
station_number='21')
def nozzle_flow(self):
""" Represents the flow conditions in the nozzle before the throat """
return FlowCondition(mass_flow=self.inflow.mass_flow,
t_total=self.t_total,
p_total=self.p_total,
medium=self.inflow.medium,
station_number=self.station_number[0])
def ambient(self):
""" Creates an ambient flow condition from specifications in the engine.cfg file """
return FlowCondition(mach=float(self.reader['mach']),
p_static=float(self.reader['p_static']),
t_static=float(self.reader['t_static']),
corrected_mass_flow=self.corrected_mass_flow,
medium='air',
station_number='0')
def outflow(self):
""" Represents the flow conditions after the nozzle throat """
return FlowCondition(mass_flow=self.inflow.mass_flow,
mach=1. if self.choked.any() else None,
t_static=self.t_exit,
p_static=self.p_exit,
medium=self.inflow.medium,
station_number=self.station_number[1])
def operating_conditions(self):
""" Arranges the experimental data of the current engine in list of high-performance objects
:rtype: list[OperatingCondition]
"""
out_list = []
for c in self.parse_data():
name, net_thrust = c['condition'], c['net_thrust']
inflow = FlowCondition(mass_flow=c['mass_flow_in'],
p_total=c['p_in'],
t_total=c['t_in'],
station_number='3')
outflow = FlowCondition(t_total=c['t_out'], station_number='4')
out_list += [
OperatingCondition(name=name,
net_thrust=net_thrust,
inflow=inflow,
outflow=outflow)
]
return out_list
# medium='air',
# station_number='21')
@property
def outflow(self):
return FlowCondition(
mass_flow=self.inflow.mass_flow,
t_total=self.t_isentropic if self.isentropic else self.t_total,
p_total=self.p_total,
medium='air',
station_number='21')
if __name__ == '__main__':
ambient_conditions = FlowCondition(corrected_mass_flow=1400.,
mach=0.8,
t_static=216,
p_static=22632,
station_number='1',
medium='air')
inlet = Inlet(inflow=ambient_conditions, eta=0.98)
obj = Fan(inflow=inlet.outflow,
eta=0.92,
pressure_ratio=1.6,
station_number='2')
print(obj.t_total)
print(obj.p_total)
# print(obj.p_total)
# print(obj.t_total)
def outflow_bypass(self):
return FlowCondition(mass_flow=self.mass_flow_bypass,
t_total=self.t_total,
p_total=self.p_total,
station_number='13',
medium='air')
def outflow_core(self):
return FlowCondition(mass_flow=self.mass_flow_core,
t_total=self.t_total,
p_total=self.p_total,
station_number='21',
medium='air')
def outflow(self):
return FlowCondition(mass_flow=self.inflow.mass_flow + self.fuel_flow,
t_total=self.t_total_exit,
p_total=self.p_total,
medium='gas',
station_number='4')
def outflow(self):
return FlowCondition(t_total=self.t_total, p_total=self.p_total, station_number='2',
mass_flow=self.inflow.mass_flow, medium='air')