CFD Online Discussion Forums - openfoam chtMultiRegionSimpleFoam gives rho always equals to 1

Hello,
I have an issue while using chtMultiRegionSimpleFoam on a very simple geometry with a 'solid' porous zone in the middle of a pipe where air is passing.

I set the air inlet condition as below:

Code:

U/ inlet

        {

                type                  flowRateInletVelocity;

                massFlowRate    $airMflowRate;

                value                 uniform (0 0 0);

                rho                   rho;

                rhoInlet            $rhoInf;

        }



T/ inlet

    {

        type            fixedValue;

        value           uniform $Tairin;

    }

with
rhoInf = 0.36; // kg/m3
airMflowRate = 0.19; // kg/s
Tairin = 890; // K

and the thermophysicalProperties for the air as below:

Code:

thermoType

{

    type            heRhoThermo;

    mixture         pureMixture;

    transport       const;

    thermo          hConst;

    equationOfState perfectGas;

    specie          specie;

    energy          sensibleEnthalpy;

}

when I open the case in paraview I can see rho = 1 everywhere while I expect to see it around 0.36.

What could be wrong here ?

Thanks