# Transport Properties

(jl-function-viscosity)=
::::{describe} viscosity(g::Union{Solution, Transport})
Dynamic (mixture) viscosity [Pa*s].
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(jl-function-thermal-conductivity)=
::::{describe} thermal_conductivity(g::Union{Solution, Transport})
Mixture thermal conductivity [W/m/K].
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(jl-function-electrical-conductivity)=
::::{describe} electrical_conductivity(g::Union{Solution, Transport})
Electrical conductivity [S/m].
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(jl-function-mix-diff-coeffs)=
::::{describe} mix_diff_coeffs(g::Solution)
Mixture-averaged diffusion coefficients [m^2/s], one per species.
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(jl-function-mix-diff-coeffs-bang)=
::::{describe} mix_diff_coeffs!(out, g::Union{Solution, Transport})
In-place [`mix_diff_coeffs`](#jl-function-mix-diff-coeffs).
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(jl-function-thermal-diff-coeffs)=
::::{describe} thermal_diff_coeffs(g::Solution)
Thermal diffusion coefficients [kg/m/s], one per species.
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(jl-function-binary-diff-coeffs)=
::::{describe} binary_diff_coeffs(gas) -> Matrix{Float64}
`nsp x nsp` matrix of binary diffusion coefficients [m^2/s].
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(jl-function-multi-diff-coeffs)=
::::{describe} multi_diff_coeffs(gas) -> Matrix{Float64}
`nsp x nsp` matrix of multicomponent diffusion coefficients [m^2/s].
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