From 43433af30f371d8f6ef62c0837e53eb214f23acb Mon Sep 17 00:00:00 2001 From: andy <a.heather@opencfd.co.uk> Date: Wed, 28 Oct 2009 18:35:47 +0000 Subject: [PATCH] limiting min particle temp to constProps.TMin() --- .../parcels/Templates/ThermoParcel/ThermoParcel.C | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.C b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.C index 7851841a748..a87342c6fe1 100644 --- a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.C +++ b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.C @@ -233,7 +233,7 @@ Foam::scalar Foam::ThermoParcel<ParcelType>::calcHeatTransfer if (mag(htc) < ROOTVSMALL && !td.cloud().radiation()) { - return T + dt*Sh/(this->volume(d)*rho*cp); + return max(T + dt*Sh/(this->volume(d)*rho*cp), td.constProps().TMin()); } const scalar As = this->areaS(d); @@ -256,9 +256,11 @@ Foam::scalar Foam::ThermoParcel<ParcelType>::calcHeatTransfer IntegrationScheme<scalar>::integrationResult Tres = td.cloud().TIntegrator().integrate(T, dt, ap, bp); - dhsTrans += dt*htc*As*(Tres.average() - Tc_); + scalar Tnew = max(Tres.value(), td.constProps().TMin()); - return Tres.value(); + dhsTrans += dt*htc*As*(0.5*(T + Tnew) - Tc_); + + return Tnew; } -- GitLab