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Re: [EnergyPlus_Support] File - SERVICE - Meteonorm Weather Files - Request for Luanda, Angola





Dear Sirs,

I would like to have the weather file of Luanda, Angola. The requested data is:


Name of Location: Luanda, Angola
Latitude: -8.837986
Longitude: +13.2355
Time Zone: UTC/GMT +1 hour
Elevation: 74 meters


What's the expected date to receive this file?

Thanks in advance,

Luis Saraiva



2011/1/1 <EnergyPlus_Support@xxxxxxxxxxxxxxx>
 


The EnergyPlus team can provide weather files created using Meteonorm. These are posted on the EnergyPlus YahooGroup under Files > Meteonorm_Weather_Files.

Locations are listed alphabetically by country. More than 100 locations are currently available--look there first before asking for a new weather file.

Information on selecting weather data is described in this paper: 
Drury B. Crawley. 1998. "Which Weather Data Should You Use for Energy Simulations of Commercial Buildings?" in ASHRAE Transactions, pp. 498-515, Vol. 104, Pt. 2. Atlanta: ASHRAE. (PDF 197 KB) 

PDF: http://energyplus.gov/pdfs/bibliography/whichweatherdatashouldyouuseforenergysimulations.pdf

Requesting Meteonorm Weather Data for Your Location. Send the information either to this group or to the helpdesk (energyplus-support@xxxxxxxx)

You will need to supply:

Name of Location (including country)
Latitude (N+/S-)(decimal format preferred)
Longitude (E+/W-)(decimal format preferred)
Time Zone (+/- GMT)
Elevation (meters)

For convenience, you can convert lat/long in degrees minutes seconds to the decimal format by visiting this web link:
http://www.fcc.gov/mb/audio/bickel/DDDMMSS-decimal.html

And you should be aware of Meteonorm limitations:

Meteonorm extrapolates hourly data from statistical data for a 
location. Where statistical data aren't available, Meteonorm interpolates 
from other nearby sites. Generally a statistical approach is a last resort--
weather files generated from statistics will not demonstrate the normal
hour-to-hour and day-to-day variability seen in measured data.

Each .ZIP includes a .STAT (EnergyPlus weather data statistics), .EPW 
(EnergyPlus weather file), and .INFO (Information about the source data and 
limitations from Meteonorm). 

IN ALL CASES, YOU SHOULD REVIEW THE .STAT FILE FOR THE LOCATION BEFORE USING 
ANY OF THESE FILES TO ENSURE THAT IT REPRESENTS THE CLIMATE OF THE LOCATION AS 
YOU UNDERSTAND IT. IN MANY CASES, A NEARBY LOCATION WITH MEASURED DATA MAY BE 
MORE APPROPRIATE THAN ONE DERIVED FROM STATISTICS. 

YOU USE THESE FILES ENTIRELY AT YOUR OWN RISK.

As always, if you know of sources of weather data that we might be able to 
share with the EnergyPlus community, please contact us. 

EnergyPlus Development Team



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Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx

The primary EnergyPlus web site is found at:
http://www.energyplus.gov

The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are currently allowed but be mindful that not everyone has a high speed connection.  Limit attachments to small files.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.




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