[TRNSYS-users] TYPE15 : Twater mains equation ?

[David BRADLEY]

Antoine,

   I seem to recall that NREL offered an update to their originally 
proposed algorithm. I suspect that we updated the code but not the 
documentation. I will see if I can find the updated reference for you.

kind regards,

  David


On 01/15/2020 05:17, LECONTE Antoine 219492 via TRNSYS-users wrote:
>
> Dear TRNSYS users,
>
> Type15 provides an estimation of the cold water temperature based on 
> characteristics of the weather file.
>
> There is an equation in the TRNSYS documentation with references.
>
> But the equation in the Type15 code is not consistent with the 
> documentation  nor the references.
>
> Especially, there is a term based on the annual average global 
> horizontal irradiance (annual_ave_I) that is not mentioned anywhere.
>
> Does anyone have an idea where this term comes from ?
>
> Best regards,
>
> ------------------------------------------------------------------------------------------
>
> Description : cid:image001.png at 01CF110C.81BE0EF0
>
> 	
>
> *Antoine LECONTE***
>
> *Research Engineer*
>
> /National Institute of Solar Energy /
>
> *CEA/LITEN - Department of Solar Energy***
>
> *Building and Thermal Systems*
>
> Description : cid:image002.jpg at 01CF110C.81BE0EF0**
>
> Commissariat à l’énergie atomique et aux énergies alternatives
>
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>
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>
> antoine.leconte at cea.fr <mailto:antoine.leconte at cea.fr>; 
> www.ines-solaire.org <http://www.ines-solaire.org/>; liten.cea.fr
>
> ------------------------------------------------------------------------------------------
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-- 
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David BRADLEY
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