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Vol. 78 (2013) No. 686 p. 325-331



The general planning for residential lighting in Japan has been carried out by selection of wattage type of a luminaire according to the size of a room, and there is no general method of examining the required light quantity for planning two or more luminaires flexibly. Therefore, we proposed the "Flux-unit method" with which designers can simply plan the residential room's lighting considering luminous flux distribution with energy consumption level. In the method, the room's total luminous flux is calculated, and then, according to the zoning of residential behaviors in the room, luminous flux is distributed within the limits of the total luminous flux considering total energy consumption. Calculation process is simplified by using reference tables. In this study, a trial design with the method was also executed.

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