Re: [EnergyPlus_Support] Asking about Direct Solar

[javed iqbal <eee.javed@xxxxxxxxx>]

Hi,

Solar Beam is measured by Pyrheliometer.. There are two types of  Pyrheliometer CHP1 and NIP (Noramal Incident Pyrheliometer).. 

Hope it Helps!!!

Thanks!

On Thu, Mar 8, 2012 at 7:17 AM, malindow <fypguevibyor@xxxxxxxxx> wrote:

 

Hi all,

In the documentation, it is written:

"Direct Solar [W/m2]

Direct solar is amount of solar radiation in W/m2 received within a 5.7° field of view centered on the sun. This is also known as Beam Solar."

I don't quite understand what is the meaning of "within a 5.7° field of view centered on the sun".

Anyone know?

Thanks in advance.

Regards,

Malindo
Mech. Engineering student
Singapore

--

Javed Iqbal, LEED AP, CEA

Energy Analyst   

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