[TRNSYS-users] Type 757 Indirect evaporative cooler

[David BRADLEY]

Roberto,

   Those parameter values must correspond with the number of values that 
are in the data file that is referenced in the External Files tab. It 
can be a little tricky to add values to those files because of their 
syntax and because you need to be careful where you insert the new 
values. I would recommend that you open the external files using Excel, 
insert rows (and data values) as appropriate then resave the file under 
a new name as "tab delimited"

kind regards

  David


On 07/16/2021 03:44, Roberto Pippia via TRNSYS-users wrote:
> Dear TRNSYS users,
>
> I am doing a project to determine whether using a desiccant 
> dehumidification wheel in combination with an indirect evaporative 
> cooler is able to provide cool air for a house in Kuwait as a possible 
> replacement for conventional air conditioners. Currently, when I try 
> to change the number of dry and wet bulb cells from the original 
> number in the parameters section of the TRNSYS component type 757 and 
> then run my model, I get an error message stating that the component 
> was unable to correctly read from the external file containing the 
> effectiveness as a function of the inlet temperature. Does anybody 
> know how to fix this problem so that I can increase the number of dry 
> and wet bulb cells in the parameters tab of the type 757 
> indirect evaporative cooler component?
>
> I would appreciate any advice.
>
> Regards,
> Roberto
>
>
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-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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