7.6.18.12.24. Saturation_Power_Law

Syntax

Thermal Conductivity [{of} SpeciesName] = Saturation_Power_Law [K_Dry = k_dry | K_Wet = k_wet | Power = power]

Scope

Aria Material

Summary

Thermal conductivity as a power law in liquid saturation for two phase porous flows.

Description

$k = \begin{cases} k_\text{dry} + S_l^p (k_\text{wet} - k_\text{dry}), & S_l > 1e-4 \\ k_\text{dry}, & s_l <= 1e-4 \end{cases}$

where $S_l$ is the liquid saturation, and $p$ the provided “power” parameter.

The provided “power” may not be zero, and at least one of “k_dry” and “k_wet” must be non-zero.