[TRNSYS-users] Trnsys type 51b error

David BRADLEY d.bradley at tess-inc.com
Mon Apr 13 07:30:22 PDT 2020


Usama,

    Thank you for sending the list file. The error that you are running 
into was fixed in version 17.2 (september 2014). Please contact your 
distributor. If you aren't sure who to contact, please send me a direct 
email.

kind regards,

  David




On 04/12/2020 19:03, Usama Sohail via TRNSYS-users wrote:
> Hi,
>
> I'm trying to understand how to model a direct evaporative cooling 
> tower using type 51b but keep getting the following warning:
>
> "The referenced UNIT has called the PSYCHROMETRICS routine withan 
> enthalpy less than possible for the given humidity ratio. The air was 
> assumed to be saturated at the given humidity ratio and the enthalpy 
> was set for this condition."
>
> The file I'm using is the cooling tower51 example file found in the 
> Trnsys17 folder (also attached below). The only thing I changed was 
> the simulation start and end time - I changed it to run for 8760 hours 
> as opposed to the couple hundred hours the simulation was set for. I 
> was hoping someone could explain to me how to resolve this issue.
>
> Thank you!
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://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:+1.608.278.1475
d.bradley at tess-inc.com

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

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