def test_config():
m = ConcreteModel()
m.fs = FlowsheetBlock(default={"dynamic": False})
m.fs.properties = PhysicalParameterTestBlock()
m.fs.reactions = ReactionParameterTestBlock(default={
"property_package": m.fs.properties})
m.fs.unit = CSTR(default={"property_package": m.fs.properties,
"reaction_package": m.fs.reactions})
# Check unit config arguments
assert len(m.fs.unit.config) == 14
assert m.fs.unit.config.material_balance_type == \
MaterialBalanceType.componentPhase
assert m.fs.unit.config.energy_balance_type == \
EnergyBalanceType.enthalpyTotal
assert m.fs.unit.config.momentum_balance_type == \
MomentumBalanceType.pressureTotal
assert not m.fs.unit.config.has_heat_transfer
assert not m.fs.unit.config.has_pressure_change
assert not m.fs.unit.config.has_equilibrium_reactions
assert not m.fs.unit.config.has_phase_equilibrium
assert not m.fs.unit.config.has_heat_of_reaction
assert m.fs.unit.config.property_package is m.fs.properties
assert m.fs.unit.config.reaction_package is m.fs.reactions
def test_build():
m = ConcreteModel()
m.fs = FlowsheetBlock(default={"dynamic": False})
m.fs.properties = SaponificationParameterBlock()
m.fs.reactions = SaponificationReactionParameterBlock(
default={"property_package": m.fs.properties})
m.fs.cstr = CSTR(
default={
"property_package": m.fs.properties,
"reaction_package": m.fs.reactions,
"has_equilibrium_reactions": False,
"has_heat_transfer": True,
"has_pressure_change": False
})
assert hasattr(m.fs.cstr, "inlet")
assert len(m.fs.cstr.inlet.vars) == 4
assert hasattr(m.fs.cstr.inlet, "flow_vol")
assert hasattr(m.fs.cstr.inlet, "conc_mol_comp")
assert hasattr(m.fs.cstr.inlet, "temperature")
assert hasattr(m.fs.cstr.inlet, "pressure")
assert hasattr(m.fs.cstr, "outlet")
assert len(m.fs.cstr.outlet.vars) == 4
assert hasattr(m.fs.cstr.outlet, "flow_vol")
assert hasattr(m.fs.cstr.outlet, "conc_mol_comp")
assert hasattr(m.fs.cstr.outlet, "temperature")
assert hasattr(m.fs.cstr.outlet, "pressure")
assert hasattr(m.fs.cstr, "cstr_performance_eqn")
assert hasattr(m.fs.cstr.control_volume, "heat")
assert hasattr(m.fs.cstr, "heat_duty")
def sapon(self):
m = ConcreteModel()
m.fs = FlowsheetBlock(default={"dynamic": False})
m.fs.properties = SaponificationParameterBlock()
m.fs.reactions = SaponificationReactionParameterBlock(default={
"property_package": m.fs.properties})
m.fs.unit = CSTR(default={"property_package": m.fs.properties,
"reaction_package": m.fs.reactions,
"has_equilibrium_reactions": False,
"has_heat_transfer": True,
"has_heat_of_reaction": True,
"has_pressure_change": True})
return m
def test_initialize():
m = ConcreteModel()
m.fs = FlowsheetBlock(default={"dynamic": False})
m.fs.properties = SaponificationParameterBlock()
m.fs.reactions = SaponificationReactionParameterBlock(
default={"property_package": m.fs.properties})
m.fs.cstr = CSTR(
default={
"property_package": m.fs.properties,
"reaction_package": m.fs.reactions,
"has_equilibrium_reactions": False,
"has_heat_transfer": False,
"has_pressure_change": False
})
m.fs.cstr.inlet.flow_vol.fix(1.0e-03)
m.fs.cstr.inlet.conc_mol_comp[0, "H2O"].fix(55388.0)
m.fs.cstr.inlet.conc_mol_comp[0, "NaOH"].fix(100.0)
m.fs.cstr.inlet.conc_mol_comp[0, "EthylAcetate"].fix(100.0)
m.fs.cstr.inlet.conc_mol_comp[0, "SodiumAcetate"].fix(0.0)
m.fs.cstr.inlet.conc_mol_comp[0, "Ethanol"].fix(0.0)
m.fs.cstr.inlet.temperature.fix(303.15)
m.fs.cstr.inlet.pressure.fix(101325.0)
m.fs.cstr.control_volume.volume.fix(1.5e-03)
assert degrees_of_freedom(m) == 0
m.fs.cstr.initialize(outlvl=5, optarg={'tol': 1e-6})
assert (pytest.approx(101325.0,
abs=1e-2) == m.fs.cstr.outlet.pressure[0].value)
assert (pytest.approx(303.15,
abs=1e-2) == m.fs.cstr.outlet.temperature[0].value)
assert (pytest.approx(
20.80,
abs=1e-2) == m.fs.cstr.outlet.conc_mol_comp[0, "EthylAcetate"].value)