diff --git a/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/alphaSgsWallFunctions/alphaSgsJayatillekeWallFunction/alphaSgsJayatillekeWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/alphaSgsWallFunctions/alphaSgsJayatillekeWallFunction/alphaSgsJayatillekeWallFunctionFvPatchScalarField.C
index 461a0b90f1..624bf819d8 100644
--- a/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/alphaSgsWallFunctions/alphaSgsJayatillekeWallFunction/alphaSgsJayatillekeWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/alphaSgsWallFunctions/alphaSgsJayatillekeWallFunction/alphaSgsJayatillekeWallFunctionFvPatchScalarField.C
@@ -310,9 +310,11 @@ void alphaSgsJayatillekeWallFunctionFvPatchScalarField::evaluate
 void alphaSgsJayatillekeWallFunctionFvPatchScalarField::write(Ostream& os) const
 {
     fvPatchField<scalar>::write(os);
-    os.writeKeyword("Prt") << Prt_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "Prt", 0.85, Prt_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/muSgsWallFunctions/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/muSgsWallFunctions/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C
index c31ac8815c..3f3c56c4cd 100644
--- a/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/muSgsWallFunctions/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/LES/derivedFvPatchFields/wallFunctions/muSgsWallFunctions/muSgsWallFunction/muSgsWallFunctionFvPatchScalarField.C
@@ -196,8 +196,10 @@ void muSgsWallFunctionFvPatchScalarField::write(Ostream& os) const
     writeEntryIfDifferent<word>(os, "U", "U", UName_);
     writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
     writeEntryIfDifferent<word>(os, "mu", "mu", muName_);
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentHeatFluxTemperature/turbulentHeatFluxTemperatureFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentHeatFluxTemperature/turbulentHeatFluxTemperatureFvPatchScalarField.C
index 2f54baf7c2..4860bc8a2f 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentHeatFluxTemperature/turbulentHeatFluxTemperatureFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentHeatFluxTemperature/turbulentHeatFluxTemperatureFvPatchScalarField.C
@@ -178,7 +178,9 @@ void turbulentHeatFluxTemperatureFvPatchScalarField::write
 {
     fvPatchScalarField::write(os);
     q_.writeEntry("q", os);
-    os.writeKeyword("rho") << rhoName_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
+
     gradient().writeEntry("gradient", os);
     writeEntry("value", os);
 }
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C
index 5893f2072e..27f2ee8cc8 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C
@@ -137,7 +137,9 @@ void turbulentMixingLengthFrequencyInletFvPatchScalarField::write
     fvPatchField<scalar>::write(os);
     os.writeKeyword("mixingLength")
         << mixingLength_ << token::END_STATEMENT << nl;
-    os.writeKeyword("k") << kName_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<word>(os, "k", "k", kName_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/alphatWallFunctions/alphatWallFunction/alphatWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/alphatWallFunctions/alphatWallFunction/alphatWallFunctionFvPatchScalarField.C
index ad2115cdb1..c06ae66c71 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/alphatWallFunctions/alphatWallFunction/alphatWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/alphatWallFunctions/alphatWallFunction/alphatWallFunctionFvPatchScalarField.C
@@ -122,7 +122,7 @@ void alphatWallFunctionFvPatchScalarField::write(Ostream& os) const
 {
     fvPatchField<scalar>::write(os);
     writeEntryIfDifferent<word>(os, "mut", "mut", mutName_);
-    os.writeKeyword("Prt") << Prt_ << token::END_STATEMENT << nl;
+    writeEntryIfDifferent<scalar>(os, "Prt", 0.85, Prt_);
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
index dc6f2a3644..f68c7db44a 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
@@ -246,9 +246,11 @@ void epsilonWallFunctionFvPatchScalarField::write(Ostream& os) const
     writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
     writeEntryIfDifferent<word>(os, "mu", "mu", muName_);
     writeEntryIfDifferent<word>(os, "mut", "mut", mutName_);
-    os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "Cmu", 0.09, Cmu_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/mutWallFunctions/mutWallFunction/mutWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/mutWallFunctions/mutWallFunction/mutWallFunctionFvPatchScalarField.C
index 18ea20963c..3413844d44 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/mutWallFunctions/mutWallFunction/mutWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/mutWallFunctions/mutWallFunction/mutWallFunctionFvPatchScalarField.C
@@ -107,9 +107,9 @@ tmp<scalarField> mutWallFunctionFvPatchScalarField::calcMut() const
 
 void mutWallFunctionFvPatchScalarField::writeLocalEntries(Ostream& os) const
 {
-    os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+    writeEntryIfDifferent<scalar>(os, "Cmu", 0.09, Cmu_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
 }
 
 
diff --git a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
index f377694b21..950dd45938 100644
--- a/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/compressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
@@ -235,9 +235,11 @@ void omegaWallFunctionFvPatchScalarField::write(Ostream& os) const
     writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
     writeEntryIfDifferent<word>(os, "mu", "mu", muName_);
     writeEntryIfDifferent<word>(os, "mut", "mut", mutName_);
-    os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "Cmu", 0.09, Cmu_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/incompressible/LES/derivedFvPatchFields/wallFunctions/nuSgsWallFunctions/nuSgsWallFunction/nuSgsWallFunctionFvPatchScalarField.C b/src/turbulenceModels/incompressible/LES/derivedFvPatchFields/wallFunctions/nuSgsWallFunctions/nuSgsWallFunction/nuSgsWallFunctionFvPatchScalarField.C
index 1d66afbc65..6b65ce3275 100644
--- a/src/turbulenceModels/incompressible/LES/derivedFvPatchFields/wallFunctions/nuSgsWallFunctions/nuSgsWallFunction/nuSgsWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/LES/derivedFvPatchFields/wallFunctions/nuSgsWallFunctions/nuSgsWallFunction/nuSgsWallFunctionFvPatchScalarField.C
@@ -188,8 +188,10 @@ void nuSgsWallFunctionFvPatchScalarField::write(Ostream& os) const
     fvPatchField<scalar>::write(os);
     writeEntryIfDifferent<word>(os, "U", "U", UName_);
     writeEntryIfDifferent<word>(os, "nu", "nu", nuName_);
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C
index dac5ccb0f1..e59e51125c 100644
--- a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/turbulentMixingLengthFrequencyInlet/turbulentMixingLengthFrequencyInletFvPatchScalarField.C
@@ -48,8 +48,8 @@ turbulentMixingLengthFrequencyInletFvPatchScalarField
 )
 :
     fixedValueFvPatchField<scalar>(p, iF),
-    mixingLength_(0.0),
-    kName_("undefined-k")
+    mixingLength_(0.001),
+    kName_("k")
 {}
 
 turbulentMixingLengthFrequencyInletFvPatchScalarField::
@@ -137,7 +137,7 @@ void turbulentMixingLengthFrequencyInletFvPatchScalarField::write
     fvPatchField<scalar>::write(os);
     os.writeKeyword("mixingLength")
         << mixingLength_ << token::END_STATEMENT << nl;
-    os.writeKeyword("k") << kName_ << token::END_STATEMENT << nl;
+    writeEntryIfDifferent<word>(os, "k", "k", kName_);    
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
index 93cad8188c..a6e221842f 100644
--- a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
@@ -234,9 +234,11 @@ void epsilonWallFunctionFvPatchScalarField::write(Ostream& os) const
     writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
     writeEntryIfDifferent<word>(os, "nu", "nu", nuName_);
     writeEntryIfDifferent<word>(os, "nut", "nut", nutName_);
-    os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "Cmu", 0.09, Cmu_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }
 
diff --git a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutWallFunction/nutWallFunctionFvPatchScalarField.C b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutWallFunction/nutWallFunctionFvPatchScalarField.C
index aef4df68b3..af131ecb9e 100644
--- a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutWallFunction/nutWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutWallFunction/nutWallFunctionFvPatchScalarField.C
@@ -106,9 +106,9 @@ tmp<scalarField> nutWallFunctionFvPatchScalarField::calcNut() const
 
 void nutWallFunctionFvPatchScalarField::writeLocalEntries(Ostream& os) const
 {
-    os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+    writeEntryIfDifferent<scalar>(os, "Cmu", 0.09, Cmu_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
 }
 
 
diff --git a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
index 300b0aaf4f..1c41104c37 100644
--- a/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
+++ b/src/turbulenceModels/incompressible/RAS/derivedFvPatchFields/wallFunctions/omegaWallFunctions/omegaWallFunction/omegaWallFunctionFvPatchScalarField.C
@@ -224,9 +224,11 @@ void omegaWallFunctionFvPatchScalarField::write(Ostream& os) const
     writeEntryIfDifferent<word>(os, "G", "RASModel::G", GName_);
     writeEntryIfDifferent<word>(os, "nu", "nu", nuName_);
     writeEntryIfDifferent<word>(os, "nut", "nut", nutName_);
-    os.writeKeyword("Cmu") << Cmu_ << token::END_STATEMENT << nl;
-    os.writeKeyword("kappa") << kappa_ << token::END_STATEMENT << nl;
-    os.writeKeyword("E") << E_ << token::END_STATEMENT << nl;
+
+    writeEntryIfDifferent<scalar>(os, "Cmu", 0.09, Cmu_);
+    writeEntryIfDifferent<scalar>(os, "kappa", 0.41, kappa_);
+    writeEntryIfDifferent<scalar>(os, "E", 9.8, E_);
+
     writeEntry("value", os);
 }