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wall insulation in IDF file

Following is the wall insulation in IDF file:

!- wall insulation and framing material: R21

Material, wall_consol_layer, !- Name Rough, !- Roughness 0.1397, !- Thickness {m} 0.05966275, !- Conductivity {W/m-K} 120.801, !- Density {kg/m3} 1036.25775; !- Specific Heat {J/kg-K}

But the calculation result is not equal to R21. (0.1397m)/(0.05966275W/m-K)=2.341494484m2-K/w = R13 Why?

wall insulation in IDF file

Following is the wall insulation in IDF file:

!- wall insulation and framing material: R21

R21

Material, wall_consol_layer, !- Name Rough, !- Roughness 0.1397, !- Thickness {m} 0.05966275, !- Conductivity {W/m-K} 120.801, !- Density {kg/m3} 1036.25775; !- Specific Heat {J/kg-K}

{J/kg-K}

But the calculation result is not equal to R21. (0.1397m)/(0.05966275W/m-K)=2.341494484m2-K/w R21.

(0.1397m) / (0.05966275W/m-K) = R13 2.34 m2-K/w = R13.

Why?

wall insulation in IDF file

Following is the wall insulation in IDF file:

!- wall insulation and framing material: R21

  Material,
    wall_consol_layer,       !- Name
    Rough,                   !- Roughness
    0.1397,                  !- Thickness {m}
    0.05966275,              !- Conductivity {W/m-K}
    120.801,                 !- Density {kg/m3}
    1036.25775;              !- Specific Heat {J/kg-K}

But the calculation result is not equal to R21.

(0.1397m) / (0.05966275W/m-K) = 2.34 m2-K/w = R13.

Why?

wall insulation in IDF file

Following is the wall insulation in IDF file:

!- wall insulation and framing material: R21

  Material,
    wall_consol_layer,       !- Name
    Rough,                   !- Roughness
    0.1397,                  !- Thickness {m}
    0.05966275,              !- Conductivity {W/m-K}
    120.801,                 !- Density {kg/m3}
    1036.25775;              !- Specific Heat {J/kg-K}

But the calculation result is not equal to R21.

(0.1397m) / (0.05966275W/m-K) = 2.34 m2-K/w = R13.

Why?