diff --git a/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.C b/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.C
index ba15857130..6f20f0266a 100644
--- a/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.C
+++ b/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.C
@@ -57,11 +57,11 @@ standardRadiation::standardRadiation
 )
 :
     filmRadiationModel(typeName, owner, dict),
-    QrPrimary_
+    QinPrimary_
     (
         IOobject
         (
-            "Qr", // same name as Qr on primary region to enable mapping
+            "Qin", // same name as Qin on primary region to enable mapping
             owner.time().timeName(),
             owner.regionMesh(),
             IOobject::NO_READ,
@@ -103,7 +103,7 @@ standardRadiation::~standardRadiation()
 void standardRadiation::correct()
 {
     // Transfer Qr from primary region
-    QrPrimary_.correctBoundaryConditions();
+    QinPrimary_.correctBoundaryConditions();
 }
 
 
@@ -128,13 +128,13 @@ tmp<volScalarField> standardRadiation::Shs()
     );
 
     scalarField& Shs = tShs();
-    const scalarField& QrP = QrPrimary_.internalField();
+    const scalarField& QinP = QinPrimary_.internalField();
     const scalarField& delta = delta_.internalField();
 
-    Shs = beta_*(QrP*pos(delta - deltaMin_))*(1.0 - exp(-kappaBar_*delta));
+    Shs = beta_*(QinP*pos(delta - deltaMin_))*(1.0 - exp(-kappaBar_*delta));
 
     // Update net Qr on local region
-    QrNet_.internalField() = QrP - Shs;
+    QrNet_.internalField() = QinP - Shs;
     QrNet_.correctBoundaryConditions();
 
     return tShs;
diff --git a/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.H b/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.H
index b70799aad8..9b96fb60fe 100644
--- a/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.H
+++ b/src/regionModels/surfaceFilmModels/submodels/thermo/filmRadiationModel/standardRadiation/standardRadiation.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -59,8 +59,8 @@ private:
 
     // Private data
 
-        //- Radiative flux mapped from  the primary region / [kg/s3]
-        volScalarField QrPrimary_;
+        //- Radiative incident flux mapped from  the primary region / [kg/s3]
+        volScalarField QinPrimary_;
 
         //- Remaining radiative flux after removing local contribution
         volScalarField QrNet_;