Summary
Mirrored Light Pipes (MLPs) transmit daylight into building interiors while preserving spectral qualities that support human circadian rhythms, making them superior to artificial lighting for bioclimatic design. The thermal impact of MLPs was found to be limited, further supporting their use as a passive daylighting solution in high solar resource climates.
Key Findings
- MLP devices were demonstrated to promote natural circadian rhythms, with spectral output more favorable for circadian entrainment than comparable artificial lighting systems.
- Thermal impact of the light pipe on indoor environments was found to be limited across experimental conditions in high solar potential climates.
- Review covered experimental and numerical thermal studies on MLPs from 1998 to 2021, establishing MLP as an ideal solution for bioclimatic building design.
Categories
Sleep & Circadian Health: Evaluates how Mirrored Light Pipe spectral output supports natural circadian rhythms compared to artificial lighting.
The Science of Light: Analyzes spectral bands of daylight transmitted through MLPs and their photobiological effects relevant to circadian entrainment.
Author(s)
B Malet-Damour, DAH Fakra
Publication Year
2022
Number of Citations
5
Related Publications
Sleep & Circadian Health
- Phototransduction by retinal ganglion cells that set the circadian clock
- The mammalian circadian timing system: organization and coordination of central and peripheral clocks
- The two‐process model of sleep regulation: a reappraisal
- Melanopsin is required for non-image-forming photic responses in blind mice
- Strange vision: ganglion cells as circadian photoreceptors
The Science of Light
- Phototransduction by retinal ganglion cells that set the circadian clock
- Color appearance models
- The mammalian circadian timing system: organization and coordination of central and peripheral clocks
- Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice
- Melanopsin is required for non-image-forming photic responses in blind mice