def by_volume(self, TP):
"""Return a VolumetricFlowIndexer that references this object's molar data.
Parameters
----------
TP : ThermalCondition
"""
try:
vol = self._data_cache[TP]
except:
phases = self.phases
chemicals = self.chemicals
mol = self.data
vol = np.zeros_like(mol, dtype=object)
for i, phase in enumerate(phases):
for j, chem in enumerate(chemicals):
index = i, j
phase_name = tmo.settings._phase_names[phase]
vol[index] = VolumetricFlowProperty(f"{phase_name}{chem.ID}",
mol, index, chem.V, TP,
phase)
self._data_cache[TP] = \
vol = VolumetricFlowIndexer.from_data(property_array(vol),
phases, chemicals,
False)
return vol
def by_mass(self):
"""Return a ChemicalMassFlowIndexer that references this object's molar data."""
try:
mass = self._data_cache['mass']
except:
chemicals = self.chemicals
mol = self.data
mass = np.zeros_like(mol, dtype=object)
for i, chem in enumerate(chemicals):
mass[i] = MassFlowProperty(chem.ID, mol, i, chem.MW)
self._data_cache['mass'] = mass = ChemicalMassFlowIndexer.from_data(
property_array(mass), self._phase, chemicals, False)
return mass
def by_mass(self):
"""Return a MassFlowIndexer that references this object's molar data."""
try:
mass = self._data_cache['mass']
except:
phases = self.phases
chemicals = self.chemicals
mol = self.data
mass = np.zeros_like(mol, dtype=object)
for i, phase in enumerate(phases):
for j, chem in enumerate(chemicals):
index = (i, j)
mass[index] = MassFlowProperty(chem.ID, mol, index, chem.MW)
self._data_cache['mass'] = mass = MassFlowIndexer.from_data(
property_array(mass), phases, chemicals, False)
return mass
def by_volume(self, TP):
"""Return a ChemicalVolumetricFlowIndexer that references this object's molar data.
Parameters
----------
TP : ThermalCondition
"""
try:
vol = self._data_cache[TP]
except:
chemicals = self.chemicals
mol = self.data
vol = np.zeros_like(mol, dtype=object)
for i, chem in enumerate(chemicals):
vol[i] = VolumetricFlowProperty(chem.ID, mol, i, chem.V, TP, None,
self._phase)
self._data_cache[TP] = \
vol = ChemicalVolumetricFlowIndexer.from_data(property_array(vol),
self._phase, chemicals,
False)
return vol