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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flux method

References in periodicals archive ?

This has been explained by the very nature of the lumen method and c.

In defense of the parabolic louver

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