[TRNSYS-users] Solar radiation comparison

[Michal Klimas]

Just for clarification.

 

I'm comparing measured solar total tilted radiation with output from Type
16a- Total radiation on surface 1.

 

kind regards

Michal Klimas

 

From: Michał Klimas [mailto:michal.klimas at put.poznan.pl] 
Sent: Saturday, April 25, 2015 4:23 PM
To: trnsys-users at lists.onebuilding.org
Subject: [TRNSYS-users] Solar radiation comparison

 

Dear All,

 

I'm having an issue with comparing tilted (45 deg) total solar radiation
with measurements. 

I have connected measured total horizontal radiation to Type16a, and taken
as an output Total horizontal radiation.

I have a significant difference in January (50%) , February (30%) and
December (40%).  Remaining months are ok.

 

I have verified the Solar shift time, Latitude and checked whether any
radiation occur during night - everything is fine.

 

Can anyone suggest any solution ?

 

 

kind regards

Michal Klimas

 

Poznan University of Technology

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