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RE: [EnergyPlus_Support] Re: Daylighting in Energy Plus






Hi, Rasha
 
 
 
Lights

The Lights statement allows you to specify information about a zone?s electric lighting  system, including design power level and operation schedule, and how the heat from lights is  distributed thermally.

A zone may have multiple Lights statements. For example, one statement may describe the general lighting in the zone and another the task lighting. Or you can use multiple Lights statements for a zone that has two or more general lighting systems that differ in design level,  schedule, etc.
=================
Lights,
RIGHT FORK Lights 1, !- Name
RIGHT FORK, !- Zone Name
Office Lighting, !- SCHEDULE Name
LightingLevel, !- Design Level calculation method
1039.706,,, !- Lighting Level {W}
0.0000000E+00, !- Return Air Fraction
0.4000000, !- Fraction Radiant
0.2000000, !- Fraction Visible
1.0, !- Fraction Replaceable
GeneralLights; !- End-Use Subcategory
=================
You specify how the light types, fittings and mounting, and wattage.
After simulation you can have all the followings:
 
Zone,Average,Lights Electric Power [W]
Zone,Sum,Lights Radiant Heat Gain [J]
Zone,Sum,Lights Visible Heat Gain [J]
Zone,Sum,Lights Convective Heat Gain [J]
Zone,Sum,Lights Return Air Heat Gain [J]
Zone,Sum,Lights Total Heat Gain [J]
Zone,Sum,Lights Electric Consumption [J]
Zone,Average,Zone Lights Electric Power [W]
Zone,Sum,Zone Lights Radiant Heat Gain [J]
Zone,Sum,Zone Lights Visible Heat Gain [J]
Zone,Sum,Zone Lights Convective Heat Gain [J]
Zone,Sum,Zone Lights Return Air Heat Gain [J]
Zone,Sum,Zone Lights Total Heat Gain [J]
Zone,Sum,Zone Lights Electric Consumption [J]
 
===================
 
These are from the IO Ref Manual, version 4.0
 
 Dr. Li  



 

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: roushaa_84@xxxxxxxxx
Date: Mon, 18 Jan 2010 05:59:01 -0800
Subject: RE: [EnergyPlus_Support] Re: Daylighting in Energy Plus

 
Dear Dr. Li,
Thank youo very much. Can I know the thermal loads generated from the artificial lighting electricity?




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