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September 1, 1989Lighting Research & Technology

Modification of the split-flux formulae for mean daylight factor and internal reflected component with large external obstructions

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Abstract

The original split-flux formulae take into account external obstructions which form a horizontal band. The formulae are extended in this Note to include large vertical obstructions, such as projecting wings of a building, and overhanging canopies. They incorporate a more detailed assessment of light reflected from obstructions.

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Cite This Study

P.R. Tregenza (1989) studied this question.

synapsesocial.com/papers/6aaf2c90011882cc27ce934d https://doi.org/10.1177/096032718902100305

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