Development of New Hi-Efficiency Indirect Lighting System with Luminaire attached on Top Wall(Part 2).

Study on Lumimous Environment using New Ceiling Paint for New Hi-Efficiency Indirect Lighting System.

Abstract

Last year,New Hi-Efficiency Indirect Lighting Luminaire(Hf54W.Luminaire Efficiency:93.7%) was developed(New Luninaire were attached on Top Wall).This time,New Ceiling Paint(Reflectance:89.3%) for New Hi-Efficiency Indirect Lighting Luminaire was develoved.
[Results]Under New Indirect Ligthing Luminaire(4sets) and New Ceiling Paint condition,
1.Glare and Veiling Reflection phenomena never occurred.
2.In Narrow space room(4 by 4 m, ceiling height: 2.7 m), Horizontal Illuminance(average)(height:0.7m) was 844 lx,and Vertical Illuminance(average)(height:1.2m) was 560 lx.