[TRNSYS-users] Error and Fan coil, radiator model

David BRADLEY d.bradley at tess-inc.com
Fri Mar 4 08:25:58 PST 2011


Muhammad,
   The excel file has most of the data that you need in it in rows 9-17. 
The independent variables required by Type938's data file (the lines 
across the top of the file) are the temperatures in column B and the 
dependent variable values are in column C or D. The map given in the 
data file is not complete (ie not all combinations are given). What I 
would recommend you do is to normalize the data in your excel 
spreadsheet (divide all of the power values by the power at rated 
conditions) then overlay that normalized data on a plot of the example 
Type938 data.  You should find that your data, once normalized, fits 
pretty well with the example normalized data, in which case you can use 
the default data file.
Kind regards,
  David


On 3/4/2011 04:50, muhammad waseem wrote:
> Hi David,
> Thanks for your kind reply. I fixed my errors. Now the problem is I 
> can not understand how to make external file for my heat pump. I am 
> using type 938. The data which I get from manufacture is in attached 
> file, Which is not as it was written as default in type 938. I am 
> attaching manufacture data and Type 938 data file.
> I hope to hearing from you soon.
> Kindest Regards
>
> On Wed, Mar 2, 2011 at 4:15 PM, David BRADLEY <d.bradley at tess-inc.com 
> <mailto:d.bradley at tess-inc.com>> wrote:
>
>     Muhammad,
>       In order to run your simulation, I would need the data files for
>     the Type534 tank and for the Type938 heat pump. The *.lst and
>     *.log files contain information as to the cause of the error. As
>     for a radiator and a fancoil model, both are available in the TESS
>     HVAC Library for Trnsys17.
>     Kind regards,
>      David
>
>
>
>     On 3/1/2011 04:29, muhammad waseem wrote:
>>     Hi,
>>     I have simulated a Solar assisted heat pump system. I am getting
>>     some errors, could not understand what these for? Could any one
>>     please help me out.
>>     Also does any one know any models for radiator and fan coil unit.
>>     If there is no standard model then how I can get non standard
>>     models? Attached with this email is my project's .tpf file.
>>     Thanks
>>     Looking forward to hearing from you.
>>
>>     Kindest Regards
>>
>>     -- 
>>     MUHAMMAD WASEEM AHMAD
>>     Loughborough University.
>>
>>
>>     _______________________________________________
>>     TRNSYS-users mailing list
>>     TRNSYS-users at cae.wisc.edu  <mailto:TRNSYS-users at cae.wisc.edu>
>>     https://mailman.cae.wisc.edu/listinfo/trnsys-users
>
>     -- 
>     ***************************
>     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  <mailto:d.bradley at tess-inc.com>
>
>     http://www.tess-inc.com  <http://www.tess-inc.com/>
>     http://www.trnsys.com  <http://www.trnsys.com/>
>
>
>
>
> -- 
> MUHAMMAD WASEEM AHMAD
> PHD RESEARCHER
> BUILDING ENERGY RESEARCH GROUP,
> DEPARTMENT OF CIVIL AND BUILDING ENGINEERING,
> LOUGHBOROUGH UNIVERSITY,
> LOUGHBOROUGH, UK

-- 
***************************
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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