Lumen method

Lumen method

(daylighting)
A method of estimating the interior illuminance from window daylighting at three locations within a room, based on empirical studies.

lumen method, flux method

A procedure in lighting design used to determine the number and types of lamps or luminaires required to provide a desired average level of illumination on a work plane; takes into account both direct and reflected light flux.
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This has been explained by the very nature of the lumen method and c.