We will be performing a major infrastructure and web site ugprades on Friday, September 27th 8:00 am - 5:00 pm MST (UTC -7).

The website will be down during that time.

System Advisor Model (SAM)

Solar Water Heating - Albedo parameter

Start
Prev
1
Next
End

Chase.Pheifer
Topic Author

01 Mar 2022 20:24 #10642 by Chase.Pheifer

Solar Water Heating - Albedo parameter was created by Chase.Pheifer

Hi Paul,

I was wondering if the albedo parameter has any bearing on the results of a solar water heating simulation. I have changed the value from 0 to 1, and the annual system energy did not change. Based on the manual on NREL's site, I didn't see albedo factoring into any of the equations. If this is the case, is there any purpose to the albedo input?

Thanks,
Chase P.

Please Log in or Create an account to join the conversation.

pgilman

03 Mar 2022 01:20 #10649 by pgilman

Replied by pgilman on topic Solar Water Heating - Albedo parameter

Hi Chase,

The albedo affects the diffuse irradiance incident on the collector. It only seems to affect the annual output at high tilt angles. In my tests the albedo affected results for tilt angles of about 60 degrees or higher.

Best regards,
Paul.

Please Log in or Create an account to join the conversation.