| import chemicals |
| from numpy.testing import assert_allclose |
| from thermo import Chemical |
|
|
| import openpnm as op |
|
|
|
|
| class HeatCapacityTest: |
| def setup_class(self): |
| self.net = op.network.Cubic(shape=[3, 3, 3]) |
|
|
| def test_generic_chemicals_for_pure_gas(self): |
| mods = [ |
| |
| |
| |
| ] |
| n2 = op.phase.Species(network=self.net, species='nitrogen') |
| vals = [] |
| for f in mods: |
| vals.append(op.models.phase.chemicals_wrapper(phase=n2, f=f).mean()) |
| assert_allclose(vals, 0, rtol=.3) |
|
|
| def test_generic_chemicals_for_pure_liq(self): |
| mods = [ |
| |
| |
| |
| |
| |
| |
| ] |
| h2o = op.phase.Species(network=self.net, species='water') |
| a = Chemical('h2o') |
| h2o['pore.heat_capacity_gas'] = a.Cpgm |
| vals = [] |
| for f in mods: |
| vals.append(op.models.phase.chemicals_wrapper(phase=h2o, f=f).mean()) |
| assert_allclose(vals, 0, rtol=0.2) |
|
|
| def test_custom_implementations(self): |
| pn = op.network.Demo() |
| ch4 = op.phase.Species(network=pn, species='ch4') |
| ch4['pore.temperature'] = 100 |
| a = Chemical('ch4') |
| a.T = 100 |
| ch4['pore.heat_capacity_gas'] = a.Cpgm |
| Cp_ref = chemicals.heat_capacity.Rowlinson_Poling( |
| T=ch4['pore.temperature'][0], |
| Tc=ch4['param.critical_temperature'], |
| omega=ch4['param.acentric_factor'], |
| Cpgm=ch4['pore.heat_capacity_gas'][0]) |
| Cp_calc = op.models.phase.heat_capacity.liquid_pure_rp(ch4) |
| assert_allclose(Cp_ref, Cp_calc, rtol=1e-10) |
|
|
|
|
| if __name__ == '__main__': |
|
|
| t = HeatCapacityTest() |
| self = t |
| t.setup_class() |
| for item in t.__dir__(): |
| if item.startswith('test'): |
| print(f"Running test: {item}") |
| t.__getattribute__(item)() |
|
|
