12#ifndef DUMUX_BINARY_COEFF_H2O_AIR_HH
13#define DUMUX_BINARY_COEFF_H2O_AIR_HH
18namespace BinaryCoeff {
35 template <
class Scalar>
36 static Scalar
henry(Scalar temperature)
39 Scalar r = (0.8942+1.47*exp(-0.04394*(temperature-273.15)))*1.E-10;
55 template <
class Scalar>
58 const Scalar Theta=1.8;
59 const Scalar Daw=2.13e-5;
60 const Scalar pg0=1.e5;
61 const Scalar T0=273.15;
65 Dgaw=Daw*(pg0/pressure)*pow((temperature/T0),Theta);
88 template <
class Scalar>
91 const Scalar Texp = 273.15 + 25;
92 const Scalar Dexp = 2.01e-9;
93 return Dexp * temperature/Texp;
Binary coefficients for water and air.
Definition h2o_air.hh:25
static Scalar henry(Scalar temperature)
Henry coefficient for air in liquid water.
Definition h2o_air.hh:36
static Scalar gasDiffCoeff(Scalar temperature, Scalar pressure)
Binary diffusion coefficient for molecular water and air.
Definition h2o_air.hh:56
static Scalar liquidDiffCoeff(Scalar temperature, Scalar pressure)
Diffusion coefficient for molecular nitrogen in liquid water.
Definition h2o_air.hh:89