From df6ecb101b4617348419eb46786215863bf65bcd Mon Sep 17 00:00:00 2001 From: Ray Speth Date: Tue, 15 May 2018 10:28:54 -0400 Subject: [PATCH] [Doc] Fix notation for mixture-averaged diffusion coefficient Flame equations are formulated using Dkm *prime* (Eq. 12.180 from Kee et al), not plain Dkm (Eq. 12.178). --- doc/sphinx/flames.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/sphinx/flames.rst b/doc/sphinx/flames.rst index b39dfa533b..9b38448475 100644 --- a/doc/sphinx/flames.rst +++ b/doc/sphinx/flames.rst @@ -96,11 +96,11 @@ formulation is used, the calculation performed is: .. math:: - j_k^* = \rho \frac{W_k}{\overline{W}} D_{k,m} \frac{\partial X_k}{\partial z} + j_k^* = \rho \frac{W_k}{\overline{W}} D_{km}^\prime \frac{\partial X_k}{\partial z} j_k = j_k^* - Y_k \sum_i j_i^* -where `\overline{W}` is the mean molecular weight of the mixture, `D_{k,m}` is the +where `\overline{W}` is the mean molecular weight of the mixture, `D_{km}^\prime` is the mixture-averaged diffusion coefficient for species `k`, and `X_k` is the mole fraction for species `k`. The diffusion coefficients used here are those computed by the method :ct:`GasTransport::getMixDiffCoeffs`. The correction