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[TRNSYS-users] TYPE15 : Twater mains equation ?



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,

 

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Antoine LECONTE

Research Engineer

National Institute of Solar Energy 

CEA/LITEN - Department of Solar Energy

Building and Thermal Systems

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Commissariat à l’énergie atomique et aux énergies alternatives

Bât. HELIOS, 50 avenue du Lac Léman | F-73375 Le Bourget-du-Lac

T. +33 (0)4 79 79 21 38 | F. +33 (0) 4 79 62 13 74 |

antoine.leconte@cea.fr; www.ines-solaire.org; liten.cea.fr

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