diff --git a/0.org/C3H8 b/0.org/C2H4
similarity index 97%
rename from 0.org/C3H8
rename to 0.org/C2H4
index cd179a3..8518adf 100644
--- a/0.org/C3H8
+++ b/0.org/C2H4
@@ -23,7 +23,7 @@ boundaryField
     nzLow
     {
         type            fixedValue;
-        value           uniform 0.164259;
+        value           uniform 0.25027;
     }
     nzUpp
     {
diff --git a/0.org/N2 b/0.org/N2
index 12b1c25..b54d5f8 100644
--- a/0.org/N2
+++ b/0.org/N2
@@ -23,12 +23,12 @@ boundaryField
     nzLow
     {
         type            fixedValue;
-        value           uniform 0.835741;
+        value           uniform 0.74973;
     }
     nzUpp
     {
         type            fixedValue;
-        value           uniform 0.401658;
+        value           uniform 0.0;
     }
     coLow
     {
diff --git a/0.org/O2 b/0.org/O2
index 3661cde..51a65dd 100644
--- a/0.org/O2
+++ b/0.org/O2
@@ -28,7 +28,7 @@ boundaryField
     nzUpp
     {
         type            fixedValue;
-        value           uniform 0.598342;
+        value           uniform 1.0;
     }
     coLow
     {
diff --git a/constant/mech b/constant/mech
index c074ebd..dc42274 160000
--- a/constant/mech
+++ b/constant/mech
@@ -1 +1 @@
-Subproject commit c074ebd71031111880cd6a23f88a5c23ac658463
+Subproject commit dc422748e3e9d84070ee8d1ca86b8a48ed39a238
diff --git a/constant/polyMesh/blockMeshDict b/constant/polyMesh/blockMeshDict
index 18dce07..fa3a5ce 100644
--- a/constant/polyMesh/blockMeshDict
+++ b/constant/polyMesh/blockMeshDict
@@ -18,36 +18,36 @@ convertToMeters 1e-3; // 1 m / 1000 mm
 
 vertices
 (
-(  0.0000000000000e+00 -5.0000000000000e+00 -0.0000000000000e+00 ) // 0
-(  4.9998096153209e+00 -5.0000000000000e+00 -4.3632677491870e-02 ) // 1
-(  4.9998096153209e+00  5.0000000000000e+00 -4.3632677491870e-02 ) // 2
-(  0.0000000000000e+00  5.0000000000000e+00 -0.0000000000000e+00 ) // 3
-(  4.9998096153209e+00 -5.0000000000000e+00  4.3632677491870e-02 ) // 4
-(  4.9998096153209e+00  5.0000000000000e+00  4.3632677491870e-02 ) // 5
-(  4.9998096153209e+00 -5.0000000000000e+00 -4.3632677491870e-02 ) // 6
-(  9.9996192306417e+00 -5.0000000000000e+00 -8.7265354983739e-02 ) // 7
-(  9.9996192306417e+00  5.0000000000000e+00 -8.7265354983739e-02 ) // 8
-(  4.9998096153209e+00  5.0000000000000e+00 -4.3632677491870e-02 ) // 9
-(  4.9998096153209e+00 -5.0000000000000e+00  4.3632677491870e-02 ) // 10
-(  9.9996192306417e+00 -5.0000000000000e+00  8.7265354983739e-02 ) // 11
-(  9.9996192306417e+00  5.0000000000000e+00  8.7265354983739e-02 ) // 12
-(  4.9998096153209e+00  5.0000000000000e+00  4.3632677491870e-02 ) // 13
-(  9.9996192306417e+00 -5.0000000000000e+00 -8.7265354983739e-02 ) // 14
-(  3.9998476922567e+01 -5.0000000000000e+00 -3.4906141993496e-01 ) // 15
-(  3.9998476922567e+01  5.0000000000000e+00 -3.4906141993496e-01 ) // 16
-(  9.9996192306417e+00  5.0000000000000e+00 -8.7265354983739e-02 ) // 17
-(  9.9996192306417e+00 -5.0000000000000e+00  8.7265354983739e-02 ) // 18
-(  3.9998476922567e+01 -5.0000000000000e+00  3.4906141993496e-01 ) // 19
-(  3.9998476922567e+01  5.0000000000000e+00  3.4906141993496e-01 ) // 20
-(  9.9996192306417e+00  5.0000000000000e+00  8.7265354983739e-02 ) // 21
+(  0.0000000000000e+00 -5.5000000000000e+00 -0.0000000000000e+00 ) // 0
+(  4.9998096153209e+00 -5.5000000000000e+00 -4.3632677491870e-02 ) // 1
+(  4.9998096153209e+00  5.5000000000000e+00 -4.3632677491870e-02 ) // 2
+(  0.0000000000000e+00  5.5000000000000e+00 -0.0000000000000e+00 ) // 3
+(  4.9998096153209e+00 -5.5000000000000e+00  4.3632677491870e-02 ) // 4
+(  4.9998096153209e+00  5.5000000000000e+00  4.3632677491870e-02 ) // 5
+(  4.9998096153209e+00 -5.5000000000000e+00 -4.3632677491870e-02 ) // 6
+(  9.9996192306417e+00 -5.5000000000000e+00 -8.7265354983739e-02 ) // 7
+(  9.9996192306417e+00  5.5000000000000e+00 -8.7265354983739e-02 ) // 8
+(  4.9998096153209e+00  5.5000000000000e+00 -4.3632677491870e-02 ) // 9
+(  4.9998096153209e+00 -5.5000000000000e+00  4.3632677491870e-02 ) // 10
+(  9.9996192306417e+00 -5.5000000000000e+00  8.7265354983739e-02 ) // 11
+(  9.9996192306417e+00  5.5000000000000e+00  8.7265354983739e-02 ) // 12
+(  4.9998096153209e+00  5.5000000000000e+00  4.3632677491870e-02 ) // 13
+(  9.9996192306417e+00 -5.5000000000000e+00 -8.7265354983739e-02 ) // 14
+(  3.9998476922567e+01 -5.5000000000000e+00 -3.4906141993496e-01 ) // 15
+(  3.9998476922567e+01  5.5000000000000e+00 -3.4906141993496e-01 ) // 16
+(  9.9996192306417e+00  5.5000000000000e+00 -8.7265354983739e-02 ) // 17
+(  9.9996192306417e+00 -5.5000000000000e+00  8.7265354983739e-02 ) // 18
+(  3.9998476922567e+01 -5.5000000000000e+00  3.4906141993496e-01 ) // 19
+(  3.9998476922567e+01  5.5000000000000e+00  3.4906141993496e-01 ) // 20
+(  9.9996192306417e+00  5.5000000000000e+00  8.7265354983739e-02 ) // 21
 )
 ;
 
 blocks
 (
- hex ( 0 1 2 3 0 4 5 3 ) ( 50 100 1 ) simpleGrading ( 1 1 1 ) // inner
- hex ( 6 7 8 9 10 11 12 13 ) ( 50 100 1 ) simpleGrading ( 1 1 1 ) // coflow
- hex ( 14 15 16 17 18 19 20 21 ) ( 300 100 1 ) simpleGrading ( 1 1 1 ) // outer
+ hex ( 0 1 2 3 0 4 5 3 ) ( 50 110 1 ) simpleGrading ( 1 1 1 ) // inner
+ hex ( 6 7 8 9 10 11 12 13 ) ( 50 110 1 ) simpleGrading ( 1 1 1 ) // coflow
+ hex ( 14 15 16 17 18 19 20 21 ) ( 300 110 1 ) simpleGrading ( 1 1 1 ) // outer
 )
 ;
 
diff --git a/constant/thermophysicalProperties b/constant/thermophysicalProperties
index 7493127..ae1d98a 100644
--- a/constant/thermophysicalProperties
+++ b/constant/thermophysicalProperties
@@ -30,8 +30,8 @@ inertSpecie N2;
 
 chemistryReader foamChemistryReader;
 
-foamChemistryFile       "$FOAM_CASE/constant/mech/propane-air-ctis/2step/reactions";
+foamChemistryFile       "$FOAM_CASE/constant/mech/ethylene-air-2step-BFER/reactions";
 
-foamChemistryThermoFile "$FOAM_CASE/constant/mech/propane-air-ctis/2step/thermos";
+foamChemistryThermoFile "$FOAM_CASE/constant/mech/ethylene-air-2step-BFER/thermos";
 
 // ************************************************************************* //