diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqPimpleFoam/buoyantBoussinesqPimpleFoam.C b/applications/solvers/heatTransfer/buoyantBoussinesqPimpleFoam/buoyantBoussinesqPimpleFoam.C
index 461578e864ed5172d8a4f178a1b8672eefa78e84..126e10b3376db7ed71df101e5bb395241434ada8 100644
--- a/applications/solvers/heatTransfer/buoyantBoussinesqPimpleFoam/buoyantBoussinesqPimpleFoam.C
+++ b/applications/solvers/heatTransfer/buoyantBoussinesqPimpleFoam/buoyantBoussinesqPimpleFoam.C
@@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
- \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
+ \\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@@ -40,7 +40,7 @@ Description
Valid when:
\f[
- rho_{k} << 1
+ \frac{beta(T - T_{ref})}{rho_{ref}} << 1
\f]
\*---------------------------------------------------------------------------*/
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqSimpleFoam/buoyantBoussinesqSimpleFoam.C b/applications/solvers/heatTransfer/buoyantBoussinesqSimpleFoam/buoyantBoussinesqSimpleFoam.C
index a3d5c956fc41fbc60094f21dc452781fe9649b67..4fc37efd28de3cccf916b810009a8fef36ed0be9 100644
--- a/applications/solvers/heatTransfer/buoyantBoussinesqSimpleFoam/buoyantBoussinesqSimpleFoam.C
+++ b/applications/solvers/heatTransfer/buoyantBoussinesqSimpleFoam/buoyantBoussinesqSimpleFoam.C
@@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
- \\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
+ \\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@@ -29,18 +29,18 @@ Description
Uses the Boussinesq approximation:
\f[
- rho_{eff} = 1 - beta(T - T_{ref})
+ rho_{k} = 1 - beta(T - T_{ref})
\f]
where:
- \f$ rho_{eff} \f$ = the effective (driving) density
+ \f$ rho_{k} \f$ = the effective (driving) density
beta = thermal expansion coefficient [1/K]
T = temperature [K]
\f$ T_{ref} \f$ = reference temperature [K]
Valid when:
\f[
- rho_{eff} << 1
+ \frac{beta(T - T_{ref})}{rho_{ref}} << 1
\f]
\*---------------------------------------------------------------------------*/