[TRNSYS-users] cooling tower

David BRADLEY d.bradley at tess-inc.com
Tue Feb 13 10:21:52 PST 2018


Hatem,

  There is not really an easy way to debug this problem. The cooling 
tower is unable to solve at a particular point in the simulation. Make 
sure that you are not trying to use the cooling tower in a cold climate 
during winter. Freezing water in the cooling tower can cause the model 
to have a hard time solving (and in any case it can cause real life 
problems to run cooling towers in cold winter climates). If that is not 
the case and if you have made sure that your cooling tower parameters 
are realistic and that the tower is appropriately sized to the load then 
I would recommend sending your project to your distributor for assistance.

kind regards,

  David



On 02/13/2018 11:39, ben maad Hatem via TRNSYS-users wrote:
>
> /Dear Trnsys users,/
> /I would like to know what does mean this error message. In fact, t//his error //is located in cooling tower component (Type 51)./
> the utility routine psychrometrics, which calculates the thermodynamic properties of moist air,
> has called with a wet bulb temperature above the maximum wet bulb temperature for the given pressure.
> Please check the routine which calls the psychrometrics routine for possible sources of errors
> Thank you,
>
>
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> TRNSYS-users at lists.onebuilding.org
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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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