[TRNSYS-users] Strange behaviour type 50b

[David BRADLEY]

Benjamin,
   If Alastair's suggestion didn't do the trick then I'd guess that it 
isn't possible to know what the error might be without looking at the 
project. Please send the Studio project file(s) to your distributor's 
tech support hotline.
regards,
  David


On 11/12/2015 10:54, Benjamin Stobbe wrote:
>
> Dear Alastair,
>
> Thank u for answering. For sure I took the area in the calculations so 
> I was comparing the output of the solar panel with the solar 
> irradiance times the area of the solar panel. This is why I cannot 
> figure out the results.
>
> Best regards,
>
> Benjamin Stobbe
>
> *Van:*TRNSYS-users [mailto:trnsys-users-bounces at lists.onebuilding.org] 
> *Namens *Alastair McDowell
> *Verzonden:* dinsdag 10 november 2015 23:12
> *Aan:* 'TRNSYS users mailing list at OneBuilding.org' 
> <trnsys-users at lists.onebuilding.org>
> *Onderwerp:* Re: [TRNSYS-users] Strange behaviour type 50b
>
> Hi Benjamin,
>
> Solar irradiance has the units of [kJ/hr.m^2], i.e. energy rate per 
> unit square meter. It is quite likely that the magnitude of thermal 
> energy yield (kJ) will exceed the integrated solar irradiance 
> (kJ/m^2), if the surface area of your solar panels is greater than 2-3 
> m^2, depending on the thermal efficiency of the panels. Make sure you 
> have taken the units and area into account in your calculations.
>
> Kind regards,
>
> *Alastair McDowell*
>
> Engineering Consultant
>
> *Energy Analysis & Engineering* – Enabling innovation for a 
> sustainable future
>
> T: +61 450 600 842
>
> E: alastair.mcdowell at energyae.com <mailto:alastair.mcdowell at energyae.com>
>
> 608 Harris St Sydney NSW 2007 Australia | http://www.energyae.com 
> <http://www.energyae.com/>
>
> ------------------------------------------------------------------------
>
> *From:*TRNSYS-users <trnsys-users-bounces at lists.onebuilding.org 
> <mailto:trnsys-users-bounces at lists.onebuilding.org>> on behalf of 
> Benjamin Stobbe <benjamin_stobbe at hotmail.com 
> <mailto:benjamin_stobbe at hotmail.com>>
> *Sent:* Tuesday, 10 November 2015 6:24 PM
> *To:* 'TRNSYS users mailing list at OneBuilding.org'
> *Subject:* [TRNSYS-users] Strange behaviour type 50b
>
> Dear all,
>
> During my project with the hybrid solar panel type 50b I found out 
> some strange behaviour during the total yield measurements. The solar 
> panels produce more thermal energy than irradiance they receive, can 
> someone explain me how this is possible and if maybe make a mistake 
> somewhere.
>
> Best regards,
>
> Benjamin Stobbe
>
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org

-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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