def calculate_helium_three(t_rad, w, zeta_data, t_electrons, delta,
g_electron, beta_rad, ionization_data, electron_densities, g):
"""
Calculates the He III level population values.
"""
zeta = PhiSahaNebular.get_zeta_values(zeta_data, 2, t_rad)[1]
he_three_population = (2 / electron_densities) * \
(float(g.ix[2,2,0])/g.ix[2,1,0]) * g_electron * \
np.exp(-ionization_data.ionization_energy.ix[2,2] * beta_rad) \
* w * (delta.ix[2,2] * zeta + w * (1. - zeta)) * \
(t_electrons / t_rad) ** 0.5
def calculate_helium_three(self, t_rad, w, zeta_data, t_electrons, delta,
g_electron, beta_rad, partition_function, ionization_data,
electron_densities):
(partition_function_index, ionization_data_index, partition_function,
ionization_data) = self.filter_with_helium_index(2, 2,
partition_function, ionization_data)
zeta_data = pd.DataFrame(zeta_data.ix[2].ix[2].values,
columns=ionization_data_index, index=zeta_data.columns).transpose()
delta = pd.DataFrame(delta.ix[2].ix[2].values,
columns=ionization_data_index, index=delta.columns).transpose()
phis = PhiSahaNebular.calculate(t_rad, w,
zeta_data, t_electrons, delta, g_electron,
beta_rad, partition_function, ionization_data)
return (phis * (partition_function.ix[2].ix[1] /
partition_function.ix[2].ix[2]) * (1 /
electron_densities)).ix[2].ix[2]
def calculate_helium_three(self, t_rad, w, zeta_data, t_electrons, delta,
g_electron, beta_rad, partition_function,
ionization_data, electron_densities):
(partition_function_index, ionization_data_index, partition_function,
ionization_data) = self.filter_with_helium_index(
2, 2, partition_function, ionization_data)
zeta_data = pd.DataFrame(zeta_data.ix[2].ix[2].values,
columns=ionization_data_index,
index=zeta_data.columns).transpose()
delta = pd.DataFrame(delta.ix[2].ix[2].values,
columns=ionization_data_index,
index=delta.columns).transpose()
phis = PhiSahaNebular.calculate(t_rad, w, zeta_data, t_electrons,
delta, g_electron, beta_rad,
partition_function, ionization_data)
return (
phis *
(partition_function.ix[2].ix[1] / partition_function.ix[2].ix[2]) *
(1 / electron_densities)).ix[2].ix[2]
