| 초록 |
Night biomass loss (NBL) was measured under natural light condition without any artificial light supplement. The results have shown that NBL quantity was about 30% compared to the cell concentrations with continuous lighting scheme (the same sun light during the day and supplementing artificial light at night). In order to minimize NBL with minimum energy for the artificial light at night, various artificial lighting schemes at the night were performed including intermittent light effects. While the light and dark ratio was fixed at 1:1, the intermittent lighting cycle periods were varied among 30, 60, and 150 minutes. The average of fresh cell weight obtained under intermittent lights was 2.67 g/L, which was 62% lower compared with natural condition by supplying 50% less energy. |
