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Re: [EnergyPlus_Support] Weather file in College Park



Based on the last data in the csv output file, the run is terminating on 04/19 
sometime between 16:00 and 17:00.  The weather data for these hours is very hot 
and dry 31-32C (88-90F) and RH 14%.  The Dulles weather file RH never drops 
below 20% RH during warm weather.  I suspect that the hot dry weather may be 
triggering the iteration problem.  I will forward this to another team member 
to determine why the DX coil model is struggling with this simulation.

Mike


On 6 Jun 2004, at 15:20, Drury.Crawley@xxxxxxxxxx wrote:

> 
> Lucia,
> 
> I ran your IDF with both the College Park EPW you created and the Sterling
> (Washington Dulles) EPW.
> Yes, the College Park EPW does have a fatal error but you also have a large
> number of serious errors and warnings even when running the Sterling weather.
> 
> 1. You need to change your IDF version to 1.2.0 (doesn't cause a problem,
> only a warning).
> 
> 2. A number of your dayschedules and schedules don't include a
> scheduletype.  Inserting AnyNumber
> in these fixes the problem.  (This only causes a warning.)
> 
> 3. There is something wrong with your plenum surfaces... the view factors
> calculations can't complete.
> Still looking into this issue... this is the most serious error.
> 
> Could you send me (directly to my email) the CSV or the .AUDIT you got when you
> converted the EPW to College Park?  I didn't see any immediate problems but
> would like to what the WeatherConverter does with the original file.
> 
> Dru Crawley
> 
> 
> 
> 
>                       "Lucia Liao"                                        
>                       <liao@xxxxxxxxxxx        To:      
>                       EnergyPlus_Support@xxxxxxxxxxxxxxx                >       
>                                       cc:                                       
>                       
>                                         Subject:  Re: [EnergyPlus_Support]
>                                         Weather file in College  
>                       06/06/2004 12:20          Park                            
>                                  PM                                       
>                       Please respond to                                       
>                       EnergyPlus_Suppor                                        t
>                                                              
> 
> 
> 
> 
> 
> 
> I just uploaded the Chesapeake_DXVAV_SA55.IDF and the weather zip file in
> College Park, MD US_CollegePark2.zip under my name ID: liao_lucia. Please
> correct the fatal error by using my weather data. The idf file works fine
> in other weather data. But I can not find anything wrong with my weather
> data.
> 
> Thank you !
> 
> Lucia
>   ----- Original Message -----
>   From: Drury.Crawley@xxxxxxxxxx
>   To: EnergyPlus_Support@xxxxxxxxxxxxxxx
>   Sent: Saturday, June 05, 2004 4:56 PM
>   Subject: Re: [EnergyPlus_Support] Weather file in College Park
> 
> 
> 
>   You cannot attach files in this email list.
>   Upload the file to the files area of the
>   EnergyPlus_Support  YahooGroup.
> 
> 
> 
> 
>                         "Xiaohong Liao"
> 
>                         <liao@xxxxxxxxxxx        To:
> EnergyPlus_Support@xxxxxxxxxxxxxxx
>                         >                        cc:
> 
>                                         Subject:
> [EnergyPlus_Support] Weather file in College Park
>                         06/04/2004 05:43
> 
>                         PM
> 
>                         Please respond to
> 
>                         EnergyPlus_Suppor
> 
>                         t
> 
> 
> 
> 
> 
> 
> 
>   The attached file is for my previous email.
> 
> 
> 
>   Thank you !
> 
> 
> 
>   Lucia
> 
> 
> 
>   [Non-text portions of this message have been removed]
> 
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx



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