diff --git a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/0/kappat b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/0/kappat
index ed10b70f1b..d743d3dfbb 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/0/kappat
+++ b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/0/kappat
@@ -11,7 +11,7 @@ FoamFile
     format      ascii;
     class       volScalarField;
     location    "0";
-    object      kappat;
+    object      alphat;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -23,19 +23,19 @@ boundaryField
 {
     floor
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
     ceiling
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
     fixedWalls
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
diff --git a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/system/fvSchemes b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/system/fvSchemes
index b7ff9739c1..4a18c080d1 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/system/fvSchemes
+++ b/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotRoom/system/fvSchemes
@@ -42,7 +42,7 @@ laplacianSchemes
     default         none;
     laplacian(nuEff,U) Gauss linear uncorrected;
     laplacian(Dp,p_rgh) Gauss linear uncorrected;
-    laplacian(kappaEff,T) Gauss linear uncorrected;
+    laplacian(alphaEff,T) Gauss linear uncorrected;
     laplacian(DkEff,k) Gauss linear uncorrected;
     laplacian(DepsilonEff,epsilon) Gauss linear uncorrected;
     laplacian(DREff,R) Gauss linear uncorrected;
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/kappat b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/kappat
index ed10b70f1b..d743d3dfbb 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/kappat
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/kappat
@@ -11,7 +11,7 @@ FoamFile
     format      ascii;
     class       volScalarField;
     location    "0";
-    object      kappat;
+    object      alphat;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -23,19 +23,19 @@ boundaryField
 {
     floor
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
     ceiling
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
     fixedWalls
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/system/fvSchemes b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/system/fvSchemes
index 4db877838c..44dc6e2a70 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/system/fvSchemes
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/system/fvSchemes
@@ -40,7 +40,7 @@ laplacianSchemes
     default         none;
     laplacian(nuEff,U) Gauss linear corrected;
     laplacian(Dp,p_rgh) Gauss linear corrected;
-    laplacian(kappaEff,T) Gauss linear corrected;
+    laplacian(alphaEff,T) Gauss linear corrected;
     laplacian(DkEff,k) Gauss linear corrected;
     laplacian(DepsilonEff,epsilon) Gauss linear corrected;
     laplacian(DREff,R) Gauss linear corrected;
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/0/kappat b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/0/kappat
index 44f2524e7f..653366fac4 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/0/kappat
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/0/kappat
@@ -11,7 +11,7 @@ FoamFile
     format      ascii;
     class       volScalarField;
     location    "0";
-    object      kappat;
+    object      alphat;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -26,7 +26,7 @@ boundaryField
 
     wall
     {
-        type            kappatJayatillekeWallFunction;
+        type            alphatJayatillekeWallFunction;
         Prt             0.85;
         value           uniform 0;
     }
diff --git a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/system/fvSchemes b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/system/fvSchemes
index 52d63773c0..3d626150a0 100644
--- a/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/system/fvSchemes
+++ b/tutorials/heatTransfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/system/fvSchemes
@@ -42,7 +42,7 @@ laplacianSchemes
     default         none;
     laplacian(nuEff,U) Gauss linear limited corrected 0.333;
     laplacian(Dp,p_rgh) Gauss linear limited corrected 0.333;
-    laplacian(kappaEff,T) Gauss linear limited corrected 0.333;
+    laplacian(alphaEff,T) Gauss linear limited corrected 0.333;
     laplacian(DkEff,k) Gauss linear limited corrected 0.333;
     laplacian(DepsilonEff,epsilon) Gauss linear limited corrected 0.333;
     laplacian(DREff,R) Gauss linear limited corrected 0.333;