[TRNSYS-users] Interpolating weather data component

Tue Mar 7 11:30:01 PST 2017

Dear David,

Thanks for your reply. I don't have any heating and cooling system. Thats why I am surprised. The range of temperature variation is 12 C degrees. I am still trying to diagnose the problem.

Best Regards, 

Sent from my iPhone

> On 7 Mar 2017, at 7:29 pm, David BRADLEY via TRNSYS-users <trnsys-users at lists.onebuilding.org> wrote:
> 
> Arian,
> 
>   There could be many reasons for this. For example, if you have heating and cooling enabled in your building so that the zone temperature is forced to always be between 20C and 21C then regardless of the timestep and whether or not you interpolate the weather file the building temperature is always going to be between 20 and 21C.
> 
> regards,
> 
>  David
> 
> 
> 
>> On 03/07/2017 11:34, Arian Bahrami via TRNSYS-users wrote:
>> Dear Jeff
>> 
>> I am using TRNSYS 16. I only used Type 109-TMY2 and when I changed the time step to less than 1         hour, like min or s , the output result which is the indoor temperature of the building type 56 is the same as 1 hour even to the last digit.
>> 
>> Best Regards,
>> 
>> Arian
>> 
>> Sent from my iPhone
>> 
>> On 7 Mar 2017, at 6:19 pm, Jeff Thornton via TRNSYS-users <trnsys-users at lists.onebuilding.org> wrote:
>> 
>>> The TRNSYS weather components all have interpolation schemes built into the models for seamless simulations at time steps less than an hour.
>>> 
>>> Jeff / TESS
>>> 
>>> Sent from my iPhone
>>> 
>>> On Mar 7, 2017, at 9:55 AM, Amirreza Heidary via TRNSYS-users <trnsys-users at lists.onebuilding.org> wrote:
>>> 
>>>> DearArian
>>>> you can use excell or EES and develope an interpolation code 
>>>> 
>>>> 
>>>> 
>>>>    Sent with Mailtrack
>>>> 
>>>> 
>>>> 
>>>> --------------------------------------------------------------------------------------------------------------------------------------------------
>>>> 
>>>> amirrezaheidary
>>>> master student of energy systems Engineering
>>>> Sharif university of technology
>>>> Tehran-Iran
>>>> E-mail address:
>>>> heidari at energy.sharif.edu
>>>> 
>>>> amirrezaheidarysbu at gmail.com
>>>> 
>>>> P Save a tree... Please don't print this E-mail unless you really need to.                                                                                                                                                                                                                                                                                          
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On Tue, Mar 7, 2017 at 8:04 PM, Arian Bahrami via TRNSYS-users <trnsys-users at lists.onebuilding.org> wrote:
>>>>> Dear all,
>>>>> 
>>>>> I want to know whether TRNSYS has a default interpolating weather data component like EnergyPlus since most of the solar data is hourly and as I see, TRNSY can simulate in smaller time step such as min and s. So, Is there way to accomplished such a thing.
>>>>> 
>>>>> Best Regards,
>>>>> 
>>>>> Arian.
>>>>> 
>>>>> Sent from my iPhone
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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
> 
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