boundaryField
{
    HVAC_inlet
    {
        type                flowRateInletVelocity;
        volumetricFlowRate        0.5663; // m^3/s Mass Flow Rate

    }

    emptyClassroom_back_outlet
    {
        type                flowRateInletVelocity;
    volumetricFlowRate    0.0472;
    }

    door
    {
    type        zeroGradient;
    }
    
    door_outlet
    {
    type        zeroGradient;
    }

    circulation_in
    {
    //type            noSlip;
       type                    flowRateInletVelocity;
       volumetricFlowRate        0.0944; // m^3/s Mass Flow Rate
    }
     
    circulation_out
    {
    // type            noSlip;
        type                flowRateInletVelocity;
        volumetricFlowRate        -0.0944; // m^3/s Mass Flow Rate
    }

    t_in
    {
    // type            noSlip;
    type                flowRateInletVelocity;
        volumetricFlowRate        0.0472; // kg/s Mass Flow Rate
    }

    t_out
    {
    // type            noSlip;
    type                flowRateInletVelocity;
        volumetricFlowRate        -0.0472; // kg/s Mass Flow Rate
    }

    ceiling
    {
        type            noSlip;
    } 

    floor
    {
        type            noSlip;
    }

    walls
    {
        type            noSlip;
    }
}