[TRNSYS-users] Convection coefficient : hOutside

Sam Elyas karaktus at gmail.com
Fri Mar 8 07:15:59 PST 2019


If someone is looking for a reference : look for NBS polynomial model, 
for Medium smooth surfaces.

Le 08/03/2019 à 01:26, Sam Elyas a écrit :
>
> Hi,
>
> In the example about the use of type49 (TRNSYS17) I found this 
> correlation for calculating outdoor convection coefficient :
>
> hOutside=MAX(0.01,(8.23+4.00*WindSpeed-0.057*WindSpeed**2)*3.6) !kJ/h.m2.K
>
> Is there any reference for this formula ? Are there some other 
> formulas to be used with WindSpeed variable ?
>
> Thanks !
>
> Sam
>
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