Re: [EnergyPlus_Support] Weather file

[Linda Lawrie <linda@xxxxxxxxxx>]

At 01:52 AM 9/11/2002, you wrote:
> I can't find the weather data of
> Taipei (Taiwan) on the web site of
> EnergyPlus Weather Data (international locations). but I remember
> that
> I saw it when E+ 1.0.1 version released.  Does someone can tell
> me
> where can I get it?

If this was one of the IWEC files, it has been pulled pending the rework
to get the temperatures at the correct hours.  Turned out the source
was off by the difference between GMT and the location -- they are being
redone and should be ready before the end of the month.


> We need to input the
> data when we simulate the file by using 
> DesignDay. but I wonder if the data can easily be got from the 
> *.epw
> file which I mentioned above???

The next version of the EPlusWth.dll will create design day files for any
weather file that has "design conditions" in the design
conditions files.  An excerpt is shown below:

 Location,
  CHICAGO_IL_ Samson-94846,     !- Location
Name
   41.78000     ,    
!- Latitude {N+ S-}
  -87.75000     ,     !-
Longitude {W- E+}
  -6.000000     ,     !-
Time Zone Relative to GMT {GMT+/-}
   190.0000     ;    
!- Elevation {m}
  
 ! Using Design Conditions from "United States Climate Design
Data 2001 ASHRAE Handbook"
  
 ! Heating 99.6%, MaxDB= -21.20 Wind Speed=   4.60 Wind
Dir= 270.00
 DesignDay,
     Heating 99.6%
Conditions,     !- Name
  -21.20000     ,     !- Max
Dry-Bulb {C}
  0.0000000E+00 ,     !- Daily Temp Range
{C}
  -21.20000     ,     !-
Wet-Bulb at Max {C}
   99063.21     ,    
!- Barometric Pressure {N/M**2}
   4.600000     ,    
!- Wind Speed {M/Sec}
   270.0000     ,    
!- Wind Direction {Degrees N=0, S=180}
  0.0000000E+00 ,     !- Clearness {0.0 to
1.1}
           0
,     !- Rain {0-no,1-yes}
           0
,     !- Snow on ground {0-no,1-yes}
          21
,     !- Day of Month
           1
,     !- Month
   WinterDesignDay,      !- Day
Type
           0
;   !- Daylight Savings Time Indicator

I can upload this DLL to the EnergyPlus_Support files area and you can
place it in the WeatherConverter folder (you will have had to choose the
weatherconverter/reporter when you installed).

> Do we always need to
> input the data of GroundTemperatures for each
> simulation??

You do not need them if you have no surfaces whose outside environment is
"Ground" or if you are willing to accept the default
temperature (13 C) as the ground temperature.  You should review the
latest writeup about ground temperatures/heat transfer in the
OtherInformation document.

Linda

EnergyPlus WebSite: http://www.energyplus.gov
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Member: EnergyPlus Development Team

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