diff --git a/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties b/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties
index f93dafc843..1873126ab0 100644
--- a/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties
+++ b/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  true;
 
diff --git a/tutorials/lagrangian/LTSReactingParcelFoam/counterFlowFlame2D/constant/combustionProperties b/tutorials/lagrangian/LTSReactingParcelFoam/counterFlowFlame2D/constant/combustionProperties
index e531cc4a16..97f9b4168e 100644
--- a/tutorials/lagrangian/LTSReactingParcelFoam/counterFlowFlame2D/constant/combustionProperties
+++ b/tutorials/lagrangian/LTSReactingParcelFoam/counterFlowFlame2D/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<rhoChemistryCombustionModel>;
+combustionModel  PaSR<rhoChemistryCombustion>;
 
 active  true;
 
diff --git a/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/combustionProperties b/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/combustionProperties
index 6ab266d91f..349dc4b5aa 100644
--- a/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/combustionProperties
+++ b/tutorials/lagrangian/LTSReactingParcelFoam/verticalChannel/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<rhoChemistryCombustionModel>;
+combustionModel  PaSR<rhoChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/combustionProperties b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/combustionProperties
index d2fe2410f0..1832dddf0a 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/combustionProperties
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/constant/combustionProperties
@@ -15,14 +15,14 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  true;
 
 
 PaSRCoeffs
 {
-    Cmix                Cmix [ 0 0 0 0 0 0 0 ] 1.0;
+    Cmix                1.0;
     turbulentReaction   on;
 }
 
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/combustionProperties b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/combustionProperties
index cec49a34e9..0fa6d0b00c 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/combustionProperties
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<rhoChemistryCombustionModel>;
+combustionModel  PaSR<rhoChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/combustionProperties b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/combustionProperties
index cec49a34e9..0fa6d0b00c 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/combustionProperties
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<rhoChemistryCombustionModel>;
+combustionModel  PaSR<rhoChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/combustionProperties b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/combustionProperties
index cec49a34e9..0fa6d0b00c 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/combustionProperties
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/verticalChannel/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<rhoChemistryCombustionModel>;
+combustionModel  PaSR<rhoChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/combustionProperties b/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/combustionProperties
index acda0a53d4..943c7fe7b5 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/combustionProperties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/cylinder/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/combustionProperties b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/combustionProperties
index 3a7e78cb55..4ee3fef89a 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/combustionProperties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/rivuletPanel/constant/combustionProperties b/tutorials/lagrangian/reactingParcelFilmFoam/rivuletPanel/constant/combustionProperties
index 3a7e78cb55..4ee3fef89a 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/rivuletPanel/constant/combustionProperties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/rivuletPanel/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/combustionProperties b/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/combustionProperties
index 3a7e78cb55..4ee3fef89a 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/combustionProperties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/splashPanel/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/combustionProperties b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/combustionProperties
index 3a7e78cb55..4ee3fef89a 100644
--- a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/combustionProperties
+++ b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  false;
 
diff --git a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties
index 906a38d81b..e93f9d37e0 100644
--- a/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties
+++ b/tutorials/lagrangian/sprayFoam/aachenBomb/constant/combustionProperties
@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-combustionModel  PaSR<psiChemistryCombustionModel>;
+combustionModel  PaSR<psiChemistryCombustion>;
 
 active  false;