diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C
index 8434cf11cc..23f2c1b41d 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C
@@ -127,7 +127,7 @@ void Foam::ReactingParcel<ParcelType>::calcPhaseChange
     );
 
     // Limit phase change mass by availability of each specie
-    forAll (Y, i)
+    forAll(Y, i)
     {
         // evaporation
         if (dMassPC[i] > 0)
@@ -497,7 +497,7 @@ void Foam::ReactingParcel<ParcelType>::calc
         0,
         1.0,
         Y_,
-        scalarField(0),
+        scalarField(),
         dMassPC,
         Sh,
         Ne,
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H
index 74a3245cb5..f6d53e4b18 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H
@@ -99,7 +99,8 @@ public:
 
     private:
 
-        // Private data
+        // Private Data
+
             //- Minimum pressure [Pa]
             demandDrivenEntry<scalar> pMin_;
 
diff --git a/src/lagrangian/intermediate/submodels/Reacting/CompositionModel/CompositionModel/CompositionModel.C b/src/lagrangian/intermediate/submodels/Reacting/CompositionModel/CompositionModel/CompositionModel.C
index e2b88b4f6f..656659df74 100644
--- a/src/lagrangian/intermediate/submodels/Reacting/CompositionModel/CompositionModel/CompositionModel.C
+++ b/src/lagrangian/intermediate/submodels/Reacting/CompositionModel/CompositionModel/CompositionModel.C
@@ -556,7 +556,7 @@ Foam::scalar Foam::CompositionModel<CloudType>::rho
 
     scalarField Xgas(Ygas.size(), 0);
     scalar WInv = 0;
-    forAll (Ygas, i)
+    forAll(Ygas, i)
     {
         label cid = phaseProps_[idGas()].carrierIds()[i];
         Xgas[i] = YMix[idGas()]*Ygas[i]/carrier.W(cid);
@@ -564,14 +564,14 @@ Foam::scalar Foam::CompositionModel<CloudType>::rho
     }
 
     scalarField Xliq(Yliq.size(), 0);
-    forAll (Yliq, i)
+    forAll(Yliq, i)
     {
         Xliq[i] = YMix[idLiquid()]*Yliq[i]/thermo.liquids().properties()[i].W();
         WInv += Xliq[i];
     }
 
     scalarField Xsol(Ysol.size(), 0);
-    forAll (Ysol, i)
+    forAll(Ysol, i)
     {
         Xsol[i] = YMix[idSolid()]*Ysol[i]/thermo.solids().properties()[i].W();
         WInv += Xsol[i];
@@ -583,16 +583,16 @@ Foam::scalar Foam::CompositionModel<CloudType>::rho
 
 
     scalar rho = 0;
-    forAll (Xgas, i)
+    forAll(Xgas, i)
     {
         label cid = phaseProps_[idGas()].carrierIds()[i];
         rho += Xgas[i]*carrier.rho(cid, p, T);
     }
-    forAll (Xliq, i)
+    forAll(Xliq, i)
     {
         rho += Xliq[i]*thermo.liquids().properties()[i].rho(p, T);
     }
-    forAll (Xsol, i)
+    forAll(Xsol, i)
     {
         rho += Xsol[i]*thermo.solids().properties()[i].rho();
     }
diff --git a/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.C b/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.C
index 7e567abd7e..529a326293 100644
--- a/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.C
+++ b/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.C
@@ -128,7 +128,7 @@ Foam::LiquidEvapFuchsKnudsen<CloudType>::LiquidEvapFuchsKnudsen
     {
         FatalErrorInFunction
             << "Solution is not well defined. It should be (liquid solid)"
-            << nl << endl;
+            << nl <<  exit(FatalError);
     }
     else
     {
@@ -149,16 +149,16 @@ Foam::LiquidEvapFuchsKnudsen<CloudType>::LiquidEvapFuchsKnudsen
         solToSolMap_ =
             owner.composition().localId(idSolid, solution_[1]);
 
-        const word activityCoefficientype
+        const word activityCoefficienType
         (
             this->coeffDict().getWord("activityCoefficient")
         );
 
-        if (activityCoefficientype == "Hoff")
+        if (activityCoefficienType == "Hoff")
         {
             method_ = pHoff;
         }
-        else if (activityCoefficientype == "UNIFAC")
+        else if (activityCoefficienType == "UNIFAC")
         {
             method_ = pUNIFAC;
         }
@@ -190,13 +190,6 @@ Foam::LiquidEvapFuchsKnudsen<CloudType>::LiquidEvapFuchsKnudsen
 {}
 
 
-// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
-
-template<class CloudType>
-Foam::LiquidEvapFuchsKnudsen<CloudType>::~LiquidEvapFuchsKnudsen()
-{}
-
-
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class CloudType>
@@ -229,7 +222,7 @@ void Foam::LiquidEvapFuchsKnudsen<CloudType>::calculate
 
     const scalar YeInf = this->owner().thermo().carrier().Y()[gid][celli];
 
-    scalar sigma = liquids_.properties()[lid].sigma(pc, Ts);
+    const scalar sigma = liquids_.properties()[lid].sigma(pc, Ts);
 
     // Kelvin effect
     const scalar Ke = exp(4*sigma*W/(RR*rho*d*T));
diff --git a/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.H b/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.H
index 96bb45ee4d..aae5415de0 100644
--- a/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.H
+++ b/src/lagrangian/intermediate/submodels/Reacting/PhaseChangeModel/LiquidEvapFuchsKnudsen/LiquidEvapFuchsKnudsen.H
@@ -155,7 +155,7 @@ public:
 
 
     //- Destructor
-    virtual ~LiquidEvapFuchsKnudsen();
+    virtual ~LiquidEvapFuchsKnudsen() = default;
 
 
     // Member Functions
diff --git a/src/thermophysicalModels/thermophysicalProperties/liquidProperties/liquidMixtureProperties/liquidMixtureProperties.C b/src/thermophysicalModels/thermophysicalProperties/liquidProperties/liquidMixtureProperties/liquidMixtureProperties.C
index acea47583f..8dca2cfc2f 100644
--- a/src/thermophysicalModels/thermophysicalProperties/liquidProperties/liquidMixtureProperties/liquidMixtureProperties.C
+++ b/src/thermophysicalModels/thermophysicalProperties/liquidProperties/liquidMixtureProperties/liquidMixtureProperties.C
@@ -111,7 +111,7 @@ Foam::scalar Foam::liquidMixtureProperties::Tc(const scalarField& X) const
         vTc += x1*properties_[i].Tc();
     }
 
-    return vTc/ (vc + ROOTVSMALL);
+    return vTc/(vc + ROOTVSMALL);
 }
 
 
@@ -471,7 +471,7 @@ Foam::scalar Foam::liquidMixtureProperties::kappa
 
     phii /= (pSum + ROOTVSMALL);
 
-    scalar K = 0.0;
+    scalar K = 0;
 
     forAll(properties_, i)
     {
@@ -514,7 +514,7 @@ Foam::scalar Foam::liquidMixtureProperties::D
         }
     }
 
-    return 1.0/(Dinv + ROOTVSMALL);
+    return 1/(Dinv + ROOTVSMALL);
 }
 
 
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/H2O b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/H2O
index ea2cb03310..241f237300 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/H2O
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/H2O
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/N2 b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/N2
index 7282998db7..0240975486 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/N2
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/N2
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/O2 b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/O2
index f6ff93daa1..9921123b8e 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/O2
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/O2
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
@@ -29,7 +29,7 @@ boundaryField
     {
         type            inletOutlet;
         inletValue      uniform 0.19;
-        value           uniform 0.2;
+        value           uniform 0.19;
     }
     inlet
     {
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/T b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/T
index f72426fdc0..cfd7f5003c 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/T
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/T
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/U b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/U
index a010d9d094..23c18742af 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/U
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/U
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  plus.master.develop                   |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/alphat b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/alphat
index 8c3ac9e91e..0111259a2b 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/alphat
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/alphat
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/k b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/k
index 4189f4324b..185656637d 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/k
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/k
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/nut b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/nut
index 9ca9214167..a537de3d14 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/nut
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/nut
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/omega b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/omega
index 8c018fb0e5..df94c05258 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/omega
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/omega
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p
index 092220adeb..11adeb18f5 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p_rgh b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p_rgh
index 2b8a79c028..80fa7e934d 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p_rgh
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/0.orig/p_rgh
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/Allrun b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/Allrun
index 4749cc3693..7a6c45391c 100755
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/Allrun
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/Allrun
@@ -9,7 +9,7 @@ runApplication blockMesh
 
 runApplication potentialFoam
 # Remove incompatible (volumetric) flux field
-\rm -f 0/phi 2>/dev/null
+rm -f 0/phi 2>/dev/null
 
 runApplication $(getApplication)
 
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/chemistryProperties b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/chemistryProperties
index e4a6386238..0d0e97aa46 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/chemistryProperties
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/chemistryProperties
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
@@ -22,7 +22,5 @@ chemistryType
 
 chemistry       off;
 
-initialChemicalTimeStep 1e-07;  // NOT USED
-
 
 // ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/combustionProperties b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/combustionProperties
index f49b11d2e3..24fc4061c6 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/combustionProperties
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/combustionProperties
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/foam.dat b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/foam.dat
index db40f0010c..6113e1786c 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/foam.dat
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/foam.dat
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/g b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/g
index 037697dd98..79b4fc3b5f 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/g
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/g
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/radiationProperties b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/radiationProperties
index cb46544fd0..b3b1c48669 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/radiationProperties
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/radiationProperties
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/reactingCloud1Properties b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/reactingCloud1Properties
index 03c36f64f8..b960f766d3 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/reactingCloud1Properties
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/reactingCloud1Properties
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/thermophysicalProperties b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/thermophysicalProperties
index 52e0d23543..0c8f03c2c1 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/thermophysicalProperties
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/thermophysicalProperties
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/turbulenceProperties b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/turbulenceProperties
index 3b314c3574..23eb4c813e 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/turbulenceProperties
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/constant/turbulenceProperties
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/blockMeshDict b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/blockMeshDict
index 87cbf30079..d98c1a7b66 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/blockMeshDict
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/blockMeshDict
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
@@ -10,7 +10,7 @@ FoamFile
     version         2.0;
     format          ascii;
     class           dictionary;
-    location    "system";
+    location        "system";
     object          blockMeshDict;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/controlDict b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/controlDict
index 4d5d49b286..f71e6c4e87 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/controlDict
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/controlDict
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
@@ -27,7 +27,7 @@ endTime         15;
 
 deltaT          8.13e-3;
 
-writeControl    adjustableRunTime;
+writeControl    adjustable;
 
 writeInterval   0.5;
 
@@ -51,9 +51,5 @@ maxCo           1.0;
 
 maxDeltaT       1;
 
-functions
-{
-}
-
 
 // ************************************************************************* //
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/decomposeParDict b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/decomposeParDict
index 6cad762db7..e12fff0f4b 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/decomposeParDict
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/decomposeParDict
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSchemes b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSchemes
index 16f8cdf93a..05300cec24 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSchemes
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSchemes
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile
diff --git a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSolution b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSolution
index 09949a4de8..5bffa00fde 100644
--- a/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSolution
+++ b/tutorials/lagrangian/reactingParcelFoam/rectangularChannel/system/fvSolution
@@ -1,8 +1,8 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  v1806                                 |
-|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
+|  \\    /   O peration     | Version:  v2006                                 |
+|   \\  /    A nd           | Website:  www.openfoam.com                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
 FoamFile