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Re: [TRNSYS-users] adding thermal capacity

Dear Federico,

The STEC library provides a thermal capacity model (type 306 - Lumped mass to simulate thermal capacity of components). Perhaps this could be of use for you. You can have more information at http://sel.me.wisc.edu/trnsys/trnlib/stec/stec.htm

Best regards,

 

João Pereira Cardoso

Unidade de Energia Solar

 
 

 

 


Laboratório Nacional de Energia e Geologia, I.P.

Estrada do Paço do Lumiar, 22

1649-038 Lisboa

Tel: +351 210 924 743    

Fax: + 351 217 166 966

joao.cardoso@lneg.pt                   www.lneg.pt

 

 

 

From: David BRADLEY via TRNSYS-users [mailto:trnsys-users@lists.onebuilding.org]
Sent: quarta-feira, 19 de Outubro de 2016 17:14
To: Federico Bava; TRNSYS users mailing list at OneBuilding.org
Subject: Re: [TRNSYS-users] adding thermal capacity

 

Federico,

 You'd need to modify the Fortran code and make a new Type, then compile it and make a dll. The Type5 heat exchanger model is quasi steady state and you'd need to turn the solution into that of a first order differential equation in order to account for the mass of the exchanger.

kind regard,s

 David

 

 

On 10/19/2016 03:02, Federico Bava via TRNSYS-users wrote:

Hello everyone,

 

I would like to add some thermal capacity to a heat exchanger (type5) to take into account the metal mass of a flat plate heat exchanger. Is there any one with some suggestions/ideas on how this can be done with some workaround?

 

Thanks in advance and best regards,

 

Federico

 




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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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