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The energy-saving effect and prediction method under various illuminance distribution types

机译：各种照度分布类型下的节能效果及预测方法

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This study employed the method of constant stimuli to obtain the equivalent illuminance and energy- saving effect of 14 illuminance distribution types. Among 14 types, the type T09 with only one luminary was the most energy-consuming, and T03 was the most energy-saving, the difference of their equivalent illuminances was 23%. When indoor illumination has the same average illuminance, but different Illuminance distribution, the overall indoor equivalent illuminance differs as well. When the illuminance distribution is more uniform, the equivalent illuminance is lower, and the perceived brightness is higher. This indicates that, at a fixed overall average illuminance of indoor space, or energy consumption of lighting, the illuminance redistribution can improve the brightness effectively. On the contrary, to maintain the equal brightness, illuminance distribution can be adjusted to lower the average illuminance, and reduce the energy consumption of lighting. Additionally, this study found that, symmetric luminary configuration usually leads to lower equivalent illuminance, and higher perceived brightness. This study further established a simple prediction equation for energy-saving effect of lighting. The above results indicated that, the illumination type of "one-room-one-light" commonly seen in houses may have latent energy waste. If adjusting it to "one-room-multiple-lights" illumination, then the uniformity ratio of illuminance can be improved, facilitating energy-saving of lighting.
机译：本研究采用恒定刺激的方法获得了14种照度分布类型的等效照度和节能效果。在14种类型中，仅带一个照明器的T09类型是最耗能的，而T03是最节能的，它们的等效照度差为23％。当室内照明具有相同的平均照明度，但照明度分布不同时，整个室内等效照明度也将有所不同。当照度分布更均匀时，等效照度较低，并且感知亮度较高。这表明，在室内空间的整体平均平均照度或照明能耗固定不变的情况下，照度重新分布可以有效地提高亮度。相反，为了保持相等的亮度，可以调整照度分布以降低平均照度，并减少照明的能耗。此外，这项研究发现，对称的灯具配置通常会导致较低的等效照度和较高的感知亮度。本研究进一步建立了照明节能效果的简单预测方程。上述结果表明，房屋中常见的“一房一灯”照明类型可能会产生潜在的能源浪费。如果将其调整为“一房多灯”照明，则可以提高照度均匀度，有利于照明节能。

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