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[EnergyPlus_Support] Re: Surface Incident Solar Radiation


--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Ng Poh Khai <ng_khai@...> wrote:
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Hi Poh Keat, 

i followed your paras 1 and 2 and have the same question as in your para 3. 

i believe your para 5 is correct. i have checked that for other variables during my work with EnergyPlus

all the best
ooi
>  Dear All,
>  
> I am trying to obtain the incident solar radiation for exterior surfaces such as the exterior walls (various directions) and roof.
>  
> I understand that there is an output named: Surface Ext Solar Incident under the Output:Variable.  I checked the EnergyPlus Main Documentation and it was listed as Zone,Average,Surface Ext Solar Incident [W/m2].
>  
> What does the "Zone" and "Average" mean?  Does "Average" means that the value given from the simulation is the average of the run period?
>  
> I specified the run period to be an entire year and taking the output for my roof, it was 190w/m2.
>  
> Does it mean that in order for me to determine the annual total solar incident energy, I will need to multiply 190 w/m2  by 8760 hrs to obtain a value of 1664 kWh/m2 per year?
>  
> Thanks in advance for any feedbacks and suggestions.
>  
> Best Regards,
> Ng Poh Khai
>




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