From b49f2136f16f1cd4bb07485478700a05ff890744 Mon Sep 17 00:00:00 2001
From: Gabi Seitz <gabriele.seitz@iws.uni-stuttgart.de>
Date: Tue, 6 Apr 2021 12:35:20 +0000
Subject: [PATCH] [changelog.md] Add gasviscosity update

Addresses issue #1007
---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 00b118be94..3a2243d177 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ Differences Between DuMu<sup>x</sup> 3.4 and DuMu<sup>x</sup> 3.3
     - `getusedversions.sh` to extract the used Dumux/Dune versions of a module (new script: `bin/util/getusedversions.py`)
     - `extractmodulepart.sh` no longer creates an install file, instead, you can now generate install scripts for your module using the new script `bin/util/makeinstallscript.py`.
     - Note: the old shells script will be removed after release 3.4.
+- __Law for water vapor viscosity in gas mixtures changed__: Polynomial laws for determining the viscosity of vater vapor in gas mixtures are introduced and applied by the new function `h2oGasViscosityInMixture`. The polynomial laws give a better approximation of the gas viscosity especially at higher temperatures ( >273.15 K) and a high water vapor content.
 
 ### Immediate interface changes not allowing/requiring a deprecation period:
 - __MPNC__: The `MPAdapter` can now also be called with a temporary `pcKrSw` objects. For this, the compiler needs to deduce the
-- 
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