In study two types, Direct Suspended Linear (DSL) and Direct and Indirect Suspended Linear (DISL) luminaires with dynamic height at daylight non access office proposed, to improve the Circadian Stimulus (CS) and Equivalent Melanopic Lux (EML) by focusing on working plane and occupants view direction. CS and EML measured in three height (H1, H2, H3) scenarios. DSL shows: EVH1:523 lux, EVH2:520 lux, EVH3:550 lux and EHH1:2026.25 lux, EHH2:870 lux, EHH3:752.5 lux. Accordingly, CSH1:0.3, CSH2:0.3, CSH3:0.31 and EMLH1:340.473, EMLH2:338.52, EMLH3:358.05. DISL shows: EVH1:420 lux, EVH2:393 lux, EVH3:400 lux and EHH1:1137.5 lux, EHH2:520 lux, EHH3:521.5 and CSH1:0.321, CSH2:0.3, CSH3:0.311 and EMLH1:303.24, EMLH2:283.746, EMLH3:288.8. The Wilcoxon Signed Rank Test showed the impact of DSL and DISL luminaires on occupants’ comfort criteria. Energy-efficient lighting, targeting a CS of 0.3, reduced power consumption by 40%. Data evaluation with 10 participants confirmed that beam distribution influenced power consumption, EV, EH, and occupant satisfaction (p-value: 0.006).
- Published:
- 12/29/2023
- Number of Pages:
- 7
- File Size:
- 1 file , 950 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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