diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchFlowRateInjection/PatchFlowRateInjection.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchFlowRateInjection/PatchFlowRateInjection.C
index 8499589784..da721e70b2 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchFlowRateInjection/PatchFlowRateInjection.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchFlowRateInjection/PatchFlowRateInjection.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -160,7 +160,7 @@ Foam::label Foam::PatchFlowRateInjection<CloudType>::parcelsToInject
 
         scalar c = concentration_.value(0.5*(time0 + time1));
 
-        scalar nParcels = fraction_*parcelConcentration_*c*flowRate()*dt;
+        scalar nParcels = parcelConcentration_*c*flowRate()*dt;
         label nParcelsToInject = floor(nParcels);
 
         // Inject an additional parcel with a probability based on the
@@ -205,7 +205,7 @@ Foam::scalar Foam::PatchFlowRateInjection<CloudType>::volumeToInject
     this->volumeTotal_ = volume;
     this->massTotal_ = volume*this->owner().constProps().rho0();
 
-    return fraction_*volume;
+    return volume;
 }
 
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/PatchInjection.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/PatchInjection.C
index 184c026b92..05cce02811 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/PatchInjection.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/PatchInjection.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -68,8 +68,7 @@ Foam::PatchInjection<CloudType>::PatchInjection
     patchInjectionBase::updateMesh(owner.mesh());
 
     // Set total volume/mass to inject
-    this->volumeTotal_ = fraction_*flowRateProfile_.integrate(0.0, duration_);
-    this->massTotal_ *= fraction_;
+    this->volumeTotal_ = flowRateProfile_.integrate(0.0, duration_);
 }
 
 
@@ -121,7 +120,7 @@ Foam::label Foam::PatchInjection<CloudType>::parcelsToInject
 {
     if ((time0 >= 0.0) && (time0 < duration_))
     {
-        scalar nParcels = this->fraction_*(time1 - time0)*parcelsPerSecond_;
+        scalar nParcels = (time1 - time0)*parcelsPerSecond_;
 
         cachedRandom& rnd = this->owner().rndGen();
 
@@ -159,7 +158,7 @@ Foam::scalar Foam::PatchInjection<CloudType>::volumeToInject
 {
     if ((time0 >= 0.0) && (time0 < duration_))
     {
-        return this->fraction_*flowRateProfile_.integrate(time0, time1);
+        return flowRateProfile_.integrate(time0, time1);
     }
     else
     {
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C
index 15543f1851..0d1700b5d0 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2013-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -42,7 +42,6 @@ Foam::patchInjectionBase::patchInjectionBase
     patchArea_(0.0),
     patchNormal_(),
     cellOwners_(),
-    fraction_(1.0),
     triFace_(),
     triToFace_(),
     triCumulativeMagSf_(),
@@ -73,7 +72,6 @@ Foam::patchInjectionBase::patchInjectionBase(const patchInjectionBase& pib)
     patchArea_(pib.patchArea_),
     patchNormal_(pib.patchNormal_),
     cellOwners_(pib.cellOwners_),
-    fraction_(pib.fraction_),
     triFace_(pib.triFace_),
     triToFace_(pib.triToFace_),
     triCumulativeMagSf_(pib.triCumulativeMagSf_),
@@ -103,6 +101,9 @@ void Foam::patchInjectionBase::updateMesh(const polyMesh& mesh)
     DynamicList<face> triFace(2*patch.size());
     DynamicList<face> tris(5);
 
+    // set zero value at the start of the tri area list
+    triMagSf.append(0.0);
+
     forAll(patch, faceI)
     {
         const face& f = patch[faceI];
@@ -138,13 +139,10 @@ void Foam::patchInjectionBase::updateMesh(const polyMesh& mesh)
     triToFace_.transfer(triToFace);
     triCumulativeMagSf_.transfer(triMagSf);
 
-    // fraction of injection volume to be injected by this patch
-    fraction_ = sumTriMagSf_[Pstream::myProcNo() + 1]/sum(sumTriMagSf_);
-
     // convert sumTriMagSf_ into cumulative sum of areas per proc
     for (label i = 1; i < sumTriMagSf_.size(); i++)
     {
-        sumTriMagSf_[i] += sumTriMagSf_[i - 1];
+        sumTriMagSf_[i] += sumTriMagSf_[i-1];
     }
 
     const scalarField magSf(mag(patch.faceAreas()));
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.H b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.H
index f318531614..b11f2790b0 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.H
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2013-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -80,9 +80,6 @@ protected:
         //- List of cell labels corresponding to injector positions
         labelList cellOwners_;
 
-        //- Fraction of injection controlled by this processor
-        scalar fraction_;
-
         //- Decomposed patch faces as a list of triangles
         faceList triFace_;