[TRNSYS-users] Temperature difference

[Michele Vella]

David,
What would be the best assumption to control the ground temperature?
Regards
Michele

On Wed, 20 Mar 2019 at 19:34, David BRADLEY <d.bradley at tess-inc.com> wrote:

> Michele,
>
>   it is a bit hard to see the picture but it looks to me as though the
> TGROUND input is unconnected and set to an initial value of 0. That means
> that your building thinks that the ground temperature is constantly 0C.
>
> kind regards,
>
>  David
>
>
> On 03/20/2019 03:52, Michele Vella wrote:
>
> Hi David
> I checked for links between the TGround and it is not linked with
> anything. How this can be? I used the multizone template and entered
> the weather from Meteonorm files.
> [image: image.png]
>
> On Mon, 18 Mar 2019 at 18:14, David BRADLEY <d.bradley at tess-inc.com>
> wrote:
>
>> Michele,
>>
>> Check your assumptions about ground coupling. It sounds as though perhaps
>> the ground temperature beneath the church is set to something
>> unrealistically low.
>>
>> kind regards,
>>
>>  David
>>
>>
>> On 03/17/2019 04:52, Michele Vella via TRNSYS-users wrote:
>>
>> Hi im modeling a church modeled as an atrium. But the lower part of the
>> church is showing really low temperatures, in summer even difference of 10
>> degrees difference from the outside. What could be the reason? as the upper
>> parts of the church shows more a realistic results
>>
>> Regards
>> Michele Vella.
>>
>> _______________________________________________
>> TRNSYS-users mailing listTRNSYS-users at lists.onebuilding.orghttp://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org
>>
>> --
>> ***************************
>> David BRADLEY
>> Principal
>> Thermal Energy Systems Specialists, LLC
>> 3 North Pinckney Street - suite 202
>> Madison, WI  53703 USA
>>
>> P:+1.608.274.2577
>> F:+1.608.278.1475d.bradley at tess-inc.com
>> http://www.tess-inc.comhttp://www.trnsys.com
>>
>> --
> ***************************
> David BRADLEY
> Principal
> Thermal Energy Systems Specialists, LLC
> 3 North Pinckney Street - suite 202
> Madison, WI  53703 USA
>
> P:+1.608.274.2577
> F:+1.608.278.1475d.bradley at tess-inc.com
> http://www.tess-inc.comhttp://www.trnsys.com
>
>
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