Daylight Flashcards
These are all qualities of?
direct light from the sun
can cause glare
creates excessive heat
deteriorated fabrics
fades colors
Sunlight
These are all qualities of?
indirect natural light
diffused reflection of light from atmospheric particles
Skylight/Daylight
____ is dynamic, constantly changing, day, season, weather
Daylight
What are the 2 major types of daylight?
Functioncal and Decorative
____ daylight is controlled, directed, can replace entire system of electric light. requires architectural engineering forthough and consideration
Functional Daylight
____ daylight dramatic and impressive, often compromisies usability and comfort for impact. typically used in high-design spaces
Decorative Daylight
____ of daylight is capturing daylight for the purpose of illumination.
Harvesting daylight
Aperatures include windows and skylights these are called?
Fenestrations
SDA stands for?
Spatital Daylight Autonomy
What are the types of daylight systems?
Top-light and Side-light
What are some advantages of daylight and windows?
Phsychological and biological well-being
constant and standard light
passive solar energy penetration in the winter
ventilation with non-fixed windows
view of the outdoors
reduction in electrical lights
enhances visual acuity
What are some disadvatnges of direct light and windows?
fading and deterioration of fabrics and artwork (UV)
cracking/drying and peeling of woods and paints
glare
increased heat in the summer
black holes at night
What do horizontal windows do?
maximize view and reinforce natural eye movement
What do vertical windows do?
maximize amount of reflection
Windows should be located to?
reflect light from ceilings
the taller the window…
the further daylight can penetrate into the space
____ ____ is a reflecting of incident light that partially or completely obscures the details on a surface by reducing its contrast . AKA reflected flare
Veiling reflections
HSL stands for?
Hybrid Solar Lighting
____ is a hybrid form of a skylight that captures, focuses and distributes sunlight into interior spaces
HSL
Factors that affect daylight penetration are?
cloudy/overcast skies
atmospheric pollution
site orientation
landscaping and surrounding structures
Site orientation. Which is best South or North?
North
Tell me about Souther sun exposure
various intensities and colors
can fade and deteriorate materials
harder to control direct sunlight
Tell me about nothern sun exposure
even intensity and spectographic characteristics
easier to control
____ ____ an objects apperance will vary during the day according to the suns position
Solar Geometry
Light produced by ____ and ___ ____ sun create long and soft shadows
midmorning and late afternoon
Harsh shadows and noon do what to and object?
emphasize the 3 dimensions of it
______ examines movement of the earth around the sun. sunlight changes by the hour, day, season, weather and geographic location. use solar geometry to share and location of windows
Solar Geometry
Nothern hempisphere= ___ sun
Souther Sun. Noth=skylight. South- direct sunlight.
To maximize reflected lgiht. Walls and ecilings should be a ___ finish and a ____ color
Matte / light
___ ceilings help to reflect daylight
Chamfered
double or triple ____ can reduce amoung of heat gain, noise pollution and glare
Glazing
___ ___. distort colors of interiors, exteririors of buildings and landscape
Glass Coatings
What are some old school examples of controlling daylight?
Diffusion and Tinting
What are some hybrid ways of controlling daylight?
Mechanical/motorized shades
What are some technological ways of controlling daylight
Integrate with electric light for maximum impact/ gain
___ is the illumination of indoor spaces by natural light
Daylight
___ is a light sensing device used to control luminares and dimmers in response to detected illuminnances values
Photosensors
___ is an archtectirual term for the arrangement, proportioning and design of windows and doors in a building for the admission of daylight
Fenestrations. or Apertures
