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[EnergyPlus_Support] Re: Wind Speed for Surface Orientation



Thanks for the quick and very helpful reply. In reading ASHRAE F16, 
I can understand why orientation is not accounted for. I appreciate 
pointing me to the information I needed.

Thanks again,

Mike

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Linda Lawrie <linda@...> 
wrote:
>
> The simple calculation does not take orientation into account.  
>From 
> the IOReferenc:
> 
> Surface Ext Wind Speed [m/s]
> The outdoor wind speed calculated at the height above ground of 
the 
> surface centroid.
> 
>  From the code:
> !  LocalWindSpeed = Windspeed [Met] * (Wind Boundary 
LayerThickness 
> [Met]/Height [Met])**Wind Exponent[Met] &
> !                     * (Height above ground / Site Wind Boundary 
> Layer Thickness) ** Site Wind Exponent
> !
> LocalWindSpeed = WindSpeed * WeatherFileWindModCoeff * (Z / 
> SiteWindBLHeight) ** SiteWindExp
> 
> The calculations are also talked about in some detail in the 
> OutputDetails and Examples document (file: eplusout.eio)
> 
> 
> Linda
> 
> EnergyPlus WebSite: http://www.energyplus.gov
> Owner: EnergyPlus_Support list
> Member: EnergyPlus Development Team
> 
> 
> 
> [Non-text portions of this message have been removed]
>




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