Re: [TRNSYS-users] Theoretical flat-plate collector

["L.Mei@lboro.ac.uk" <L.Mei@lboro.ac.uk>]

Hi, I also met this problem.

Thanks!

Li Mei 

-----Original Message-----
From: Stefania Agosta [mailto:stefania.agosta@dttn.it] 
Sent: 09 October 2009 11:06
To: trnsys-users@cae.wisc.edu
Subject: [TRNSYS-users] Theoretical flat-plate collector

Hallo,

I'm using Type 73 to model a flat plate solar cllector for domestic  
hot water. What mostly surprise me is that the efficiency of the  
panel, which is calculated as (useful energy) / (incident solar  
radiation),  is lower than expected (30%-40% as a maximum, instead of  
80%-90%) even if I maximise all the parametres that affect the  
efficiency. is it a common

Best regards

Stefania Agosta
student at the University of Trento
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