ENERGY INSTITUTE PRESS
The world's guide to energy conservation, reducing utility costs, and protecting the environment by wise use of energy.
Energy Efficiency Manual
by Donald R. Wulfinghoff
Energy Institute Press
1,536 pages
830 illustrations
index
$199.95
ISBN 0-9657926-7-6

 

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Note 57. Light Distribution of Fixtures

The lighting energy conservation measures of the Energy Efficiency Manual stress effective light distribution for both energy efficiency and visual quality. This brief Note explains the light distribution patterns of light fixtures (luminaires) to aid you in lighting design and retrofit.

The Note explains the geometrical principles of light distribution, explains how to measure the light distribution patterns of installed light fixtures, and emphasizes the interaction between diffusers and luminaires.

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