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Re: [EnergyPlus_Support] Anomalous results with ** Warning ** GetAirPathData: & ** Warning ** WetBulb





Hi Jean, nice try.
If I'm right, the in.idf should be the idf processed by Db and no the exported one. Well, I cannot find it.
Do you know exactly where I should dig?

Thanks
Marco


On Tuesday, June 3, 2014 8:40 AM, "'jeannieboef@xxxxxxxxx' jeannieboef@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:



Hi Marco,
Do a text compare of the in.idf file located in the DesignBuilder energyplus folder, and the exported idf. They should be the same. If not, I would notify DesignBuilder via a helpdesk ticket. Let me know what you find.
Regards,

Mit freundlichen GrüÃ?en- Sent from my iPhone (excuse the brevity)
i. A.
Jean Marais
b.i.g. bechtold
Tel.   +49 30 6706662-23
On 02.06.2014, at 16:55, "<mailto:m.aldegheri@xxxxxxxxx>m.aldegheri@xxxxxxxxx [EnergyPlus_Support]" <<mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx>EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:

>  
Hi all,
> 
> I'm testing an air heating system on a minimodel.
> I created it with DesignBuilder and in DB I obtained an apparently correct internal temperature vs time.
> Than I explorted the idf and I processed the idf (no modified, of course) with E+. The zone mean air temperature now is completely different and in my opinion completely out of mind.
> 
> The heating system just takes the air from the outside and heat the flux  untill 18°c if the air temperature is lower than this value. 
> 
> In particular I have 2 suspicious warnings, they are:
> 
>    ************* Beginning System Sizing Calculations
>    ** Warning ** GetAirPathData: AirLoopHVAC="AIR LOOP" has no Controllers.
> 
> and
> 
>    ************* Beginning Simulation
>    ** Warning ** WetBulb not converged after 101 iterations(PsyTwbFnTdbWPb)
>    **   ~~~   **  Routine=Unknown, Environment=UNTITLED, at Simulation time=03/28 15:00 - 15:06
>    **   ~~~   **  Input Temperature = 18.50
>    **   ~~~   **  Input Humidity Ratio= 0.141212
>    **   ~~~   **  Input Pressure = 99122.00
>    **   ~~~   **  Resultant Temperature= 25.44
> 
> Thanks,
> Marco
> <PROVA VENT.rar>




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 Posted by: Marco Aldegheri <m.aldegheri@xxxxxxxxx>

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