[TRNSYS-users] Type56 problem

Thu Jun 9 11:22:25 PDT 2016

Hugo,

   TRNSYS is not a free tool. You need to contact a distributor and 
purchase a license. A list of distributors is available at: 
http://sel.me.wisc.edu/trnsys/sales/distributors.html

   If you already own a TRNSYS license and need an update you should 
contact the distributor from whom you purchased TRNSYS originally.

kind regards,

  David

On 06/09/2016 10:40, Hugo Alberto López Clemente via TRNSYS-users wrote:
>
> hello,     sorry, someone you could send the program TRNSYS.... is I'm 
> doing an investigation of a heat storer and need to simulate in 
> TRNSYS....I am writing from brazil....please!!!!
>
>
>
> Hugo L.
>
>
>
> ------------------------------------------------------------------------
> *De:* Ben Heymer via TRNSYS-users <trnsys-users at lists.onebuilding.org>
> *Enviado:* miércoles, 08 de junio de 2016 10:26 a.m.
> *Para:* Dragos Bogatu; TRNSYS users mailing list at OneBuilding.org
> *Asunto:* Re: [TRNSYS-users] Type56 problem
> Thanks for providing more details. It's pretty easy to do some hand 
> calculations of heat loss and compare that to the heat transfer charts 
> in TRNSYS. I did both a TRNSYS model and hand calcs for my own well 
> insulated house (15 cm polyiso insulation) and the results were nearly 
> identical.
>
> The other area to explore is the basement or slab surface of the 
> model. Is the heat transfer there reasonable? You could temporarily 
> delete or disable the slab surface in the model to make sure the above 
> ground surfaces are acting appropriately. Also, double check that the 
> infiltration values are appropriate.
>
> On Wed, Jun 8, 2016 at 10:02 AM, Dragos Bogatu via TRNSYS-users 
> <trnsys-users at lists.onebuilding.org 
> <mailto:trnsys-users at lists.onebuilding.org>> wrote:
>
>     Ben,
>
>     Unfortunately I cannot change the system as I am simulating this
>     model based on a real one. Yes it is true, I could raise the
>     temperature to 30 C, but the problem is that I find the heat loss
>     too high for a highly insulated house. I have the earth to air
>     heat exchanger that brings my temperature to about 10 C during
>     winter (t_put) then the heat recovery unit that brings it to about
>     20 C (t_rec) and after that an auxiliary heater which brings the
>     temperature to 25 C (with a daily schedule from 8 AM to 8 PM) and
>     the temperature during daytime reaches about 21 C but during the
>     night it goes to about 15 C (considering that the EAHX and the
>     heat recovery unit are still working). The exterior wall is made
>     of 30 cm brick and about 20 cm mineral wool while the windows are
>     triple glazed. Do you think this is normal?
>
>     Thank you,
>     Dragos Bogatu
>
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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

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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