[TRNSYS-users] Zero Thermal efficiency

David BRADLEY d.bradley at tess-inc.com
Tue Jun 19 09:00:36 PDT 2018


Jibi

   A zero thermal efficiency results at any time that the collector 
cannot produce any useful thermal energy. Efficiency is defined in 
Type563's case as the energy produced divided by the energy input 
(mainly indicent solar). If the collector is not producing any useful 
thermal energy (because the sun is down) then the efficiency is zero.

kind regards,

  David



On 06/17/2018 19:48, Jibi Jais (지비 제이즈) via TRNSYS-users wrote:
> Dear all,
> ​I used a type 563 PVT tool for my simple simulation.
> What would be the possible reason for a zero thermal efficiency output 
> in the attached program file?
> Please have a look.
> Thanks
> Jibi​
>>
>
>
>
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-- 
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David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI  53703 USA

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d.bradley at tess-inc.com

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