RE: [EnergyPlus_Support] Solar radiation data in the weather file.

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Subject: RE: [EnergyPlus_Support] Solar radiation data in the weather file.

From: "Griffith, Brent" <brent.griffith@xxxxxxxx>

Date: Fri, 25 Sep 2009 13:11:45 -0600

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Thread-topic: [EnergyPlus_Support] Solar radiation data in the weather file.

EnergyPlus calculates the sun position based on the different lat/lon, but the solar resource data are not adjusted.

From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Bing Dong
Sent: Friday, September 25, 2009 1:03 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Solar radiation data in the weather file.

Hi All,

I have two questions regarding to the solar radiation data in weather file.

1. If the downloaded weather data from DOE website is from airport, does E+ do an auto-scale for the actual simulation place which is 20 miles away from airport, given the correct latitude and longitude ? As we all know that the sky condition is changed from place to place.

2. If my measured data is in terms of minutes, where can I input these data into the weather file (e.g. the simulation time step could be 10 minutes)? The time format of the weather file is in hours.

Thank you very much!

Bing

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