From e0ce0518577c60a4ca40cd7d78603cb419d65f4c Mon Sep 17 00:00:00 2001
From: HOS <Hans.Olsson@3ds.com>
Date: Thu, 15 Sep 2022 15:00:34 +0200
Subject: [PATCH] Reduce guess for initial temperature difference across wall.

The reason is two-fold:
* It is an order of magnitude too large.
* In some configurations it can cause simulation problems.
---
 Modelica/Fluid/Examples/HeatExchanger.mo | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modelica/Fluid/Examples/HeatExchanger.mo b/Modelica/Fluid/Examples/HeatExchanger.mo
index 9c11affb53..f062e5574b 100644
--- a/Modelica/Fluid/Examples/HeatExchanger.mo
+++ b/Modelica/Fluid/Examples/HeatExchanger.mo
@@ -38,7 +38,7 @@ package HeatExchanger "Demo of a heat exchanger model"
           Modelica.Fluid.Pipes.BaseClasses.HeatTransfer.ConstantFlowHeatTransfer
           (alpha0=2000),
       Twall_start=300,
-      dT=10,
+      dT=1,
       T_start_1=304,
       T_start_2=300) annotation (Placement(transformation(extent={{
               -26,-14},{34,46}})));