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[EnergyPlus_Support] Re: "AFN Wind Pressure Coefficient Typ" = "Input" does't work

OK - I did that...

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Jean marais" <jeannieboef@...> wrote:
> submit this to the help desk.
> --- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "tobiasschulzeoooitu" <tobias.schulze@> wrote:
> >
> > Hello,
> > 
> > I have difficulties with the Airflow Network in E+ v7.2. May be there is a bug.
> > 
> > The AFN doesn't consider my defined external node height.
> > 
> > In the "AirflowNetwork:MultiZone:ExternalNode" object all nodes set at 10m and Cp values and the arrays are defined.
> > In the "AirflowNetwork:SimulationControl" oject "Wind pressure Coefficient Type" set to "Input".
> > 
> > Doesn't matter what I do the "AFN wind pressure"s calculated are always based on local height wind speed calculations (the ASHRAE power law) - not on the node height defined.
> > 
> > Design day wind speed 3 m/s
> > building terrain = country
> > AFN all nodes height = 10m
> > 
> > therfore all calculated wind pressures should be based on 3 m/s
> > if the Cp's are equal, same wind pressure independent on height of the external opening
> > 
> > But outputs show they are dependend on height.
> > 
> > Can you please check that issue?
> > Thank you and regards
> >


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