BUG: COxidationIntrinicRate - corrected eta. See #842

ffe8048e · Andrew Heather · 85ecb009 · ffe8048e
Commit ffe8048e authored 6 years ago by Andrew Heather
--- a/src/lagrangian/coalCombustion/submodels/surfaceReactionModel/COxidationIntrinsicRate/COxidationIntrinsicRate.C
+++ b/src/lagrangian/coalCombustion/submodels/surfaceReactionModel/COxidationIntrinsicRate/COxidationIntrinsicRate.C
@@ -180,7 +180,7 @@ Foam::scalar Foam::COxidationIntrinsicRate<CloudType>::calculate
        max(0.5*d*sqrt(Sb_*rhop*Ag_*ki*ppO2/(De*rhoO2)), ROOTVSMALL);

    // Effectiveness factor []
-    const scalar eta = max(3.0*sqr(phi)*(phi/tanh(phi) - 1.0), 0.0);
+    const scalar eta = max(3.0/sqr(phi)*(phi/tanh(phi) - 1.0), 0.0);

    // Chemical rate [kmol/m2/s]
    const scalar R = eta*d/6.0*rhop*Ag_*ki;