From ffe8048e04b8115607faf4b207a82cd0562ba6fa Mon Sep 17 00:00:00 2001
From: Andrew Heather <a.heather@opencfd.co.uk>
Date: Tue, 29 May 2018 15:10:19 +0100
Subject: [PATCH] BUG: COxidationIntrinicRate - corrected eta. See #842
---
.../COxidationIntrinsicRate/COxidationIntrinsicRate.C | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/lagrangian/coalCombustion/submodels/surfaceReactionModel/COxidationIntrinsicRate/COxidationIntrinsicRate.C b/src/lagrangian/coalCombustion/submodels/surfaceReactionModel/COxidationIntrinsicRate/COxidationIntrinsicRate.C
index 1a260dac90e..77435d66b48 100644
--- 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;
--
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