flowtube.diffusion_coef

Handles the calculation of the diffusion coefficient of a binary gas mixture.

Functions

`binary_diffusion_coefficient`(obj)	Calculation of non-polar diffusion coefficient for a low pressure binary gas mixture.
`non_polar_Lennard_Jones_potential`(e_k, T)	Calculation of non-polar Lennard-Jones Potential for a binary gas mixture.

Classes

required_attrs(*args, **kwargs)

class flowtube.diffusion_coef.required_attrs(*args, **kwargs)[source]

P: float

T: float

reactant_gas: str

carrier_gas: str

__init__(*args, **kwargs)

flowtube.diffusion_coef.non_polar_Lennard_Jones_potential(e_k, T)[source]

Calculation of non-polar Lennard-Jones Potential for a binary gas mixture. Formulas 11-3.4 to 11-3.6 in Reid et al., 1987

Parameters:

e_k (float) – Lennard-Jones Energy (K).
T (float) – Temperature in K.

Returns:

Non-polar Lennard Jones potential.

Return type:

float

flowtube.diffusion_coef.binary_diffusion_coefficient(obj)[source]

Calculation of non-polar diffusion coefficient for a low pressure binary gas mixture. Supported gases: Ar, He, Air, Br2, Cl2, HBr, HCl, HI, H2O, I2, NO, N2, and O2. Formulas 11-3.1 to 11-3.2 in Reid et al., 1987

Parameters:

object (required_attrs) – Object with required attributes
Pa ((P in)
K (T in)
reactant_gas
carrier_gas).
obj (required_attrs)

Returns:

Diffusion coefficient for binary gas mixture (cm2 s-1)

Return type:

float