To study the luminous conditions in transitional spaces that can drastically change as occupants pass from indoors to outdoors or vice versa
Technology & Design
Description
This project explores the issue of daylighting adaptation and visual discomfort due to severe variations in light intensity near building entryways. It is often the case that the passage from a normally lit or shaded interior space to a brightly lit outdoor one takes place abruptly without a transitional zone that would ease users into adequate transition from dark to bright conditions. Although the human eye is capable of adjusting to high range of luminance levels without producing discomfort, the continually changing illuminance, luminance, and contrasts levels during such transition could represent a potential case for acute visual discomfort. This project investigates the effects on visual comfort of several design features such as overhead trellises, solid overhangs, vertical fins, and solid sidewalls. These features are tested individually and in various combinations. Visual comfort is documented in terms of the luminance ratios at equidistant station points along the occupant's path in the transition entry zone.
