fixes to the computation of Cs based on discussion in open-ideas#1296

Author: Mathadon

IDEAS/BoundaryConditions/Interfaces/PartialSimInfoManager.mo

@@ -117,7 +117,7 @@ partial model PartialSimInfoManager
   constant Modelica.Units.SI.Density rho_default = 1.2 "Default air density"
     annotation(Dialog(group="Wind"));
 
-  parameter Real Cs= Cs_coeff*H "Wind speed modifier"
+  parameter Real Cs= Cs_coeff*(H^(2*a)) "Wind speed modifier"
                                                                    annotation(Dialog(group="Wind"));
 
 

IDEAS/Buildings/Components/OuterWall.mo

@@ -107,7 +107,7 @@ protected
     final table=coeffsCp,
     final azi=aziInt,
     Cs=if not use_custom_Cs and sim.interZonalAirFlowType == IDEAS.BoundaryConditions.Types.InterZonalAirFlow.TwoPorts
-         then sim.Cs_coeff*Habs 
+         then sim.Cs_coeff*(Habs^(2*sim.a))
          elseif not use_custom_Cs 
            then sim.Cs 
            else Cs,

IDEAS/Buildings/Components/Window.mo

@@ -225,7 +225,7 @@ protected
   IDEAS.Fluid.Sources.OutsideAir outsideAir(
     redeclare package Medium = Medium,
     Cs=if not use_custom_Cs and sim.interZonalAirFlowType == IDEAS.BoundaryConditions.Types.InterZonalAirFlow.TwoPorts
-         then sim.Cs_coeff*Habs 
+         then sim.Cs_coeff*(Habs^(2*sim.a))
          elseif not use_custom_Cs 
              then sim.Cs 
              else Cs,