ENH: Updated heat transfer coefficient calculation

src/fvOptions/sources/derived/interRegionHeatTransferModel/constantHeatTransfer/constantHeatTransfer.C

@@ -97,7 +97,7 @@ Foam::fv::constantHeatTransfer::constantHeatTransfer
             AoV_().dimensionedInternalField();
         dimensionedScalar interVol("V", dimVolume, meshInterp().V());
 
-        htc_.dimensionedInternalField() = htcConsti*AoVi*interVol/mesh.V();
+        htc_.dimensionedInternalField() = htcConsti*AoVi;
         htc_.correctBoundaryConditions();
     }
 }

src/fvOptions/sources/derived/interRegionHeatTransferModel/tabulatedHeatTransfer/tabulatedHeatTransfer.C

@@ -130,7 +130,7 @@ Foam::fv::tabulatedHeatTransfer::calculateHtc()
         htcc[i] = hTable()(mag(U[i]), UMagNbrMapped[i]);
     }
 
-    htcc = htcc*AoV()*meshInterp().V()/mesh_.V();
+    htcc = htcc*AoV();
 
     return htc_;
 }

src/fvOptions/sources/derived/interRegionHeatTransferModel/variableHeatTransfer/variableHeatTransfer.C

@@ -120,7 +120,7 @@ Foam::fv::variableHeatTransfer::calculateHtc()
 
     const scalarField htcNbrMapped(interpolate(htcNbr));
 
-    htc_.internalField() = htcNbrMapped*AoV_*meshInterp().V()/mesh_.V();
+    htc_.internalField() = htcNbrMapped*AoV_;
 
     return htc_;
 }