Lumen method
Also known as the zonal cavity method, the lumen method is a series of calculations that uses horizontal illuminance criteria to establish a uniform luminaire layout in a space. In its simplest form, the lumen method is merely the total number of lumens available in a room divided by the area of the room[1]. In order to perform this calculation, many factors, coefficients, lamp lumen data and other quantities must be gathered. Despite the scientific impression of the lumen method equations, there are inaccuracies and assumptions built into the method. Therefore, the lumen method should not typically be used as a standalone, final solution; it should be used as a tool in particularly uniform settings of lighting design if a simple, rough technique of illuminance quantification is desired.[2]
Method
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References
- ^ "Light Calc". Glossary. Retrieved 2008-03-20.
- ^ Steffy, LC, IES, FIALD, Gary 1963. Architectural Lighting Design, 2nd edition John Wiley & Sons, Inc., New York Cite error: The
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