KRAVIS CENTER

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room geometry and light access to capture daylight
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room geometry and light access to capture daylight
daniel butko 0593-6510
Fundamentals presentation
lighting design seminar - arc 6670
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Le Corbusier said that architecture's forms are
revealed in light He also stated light is the
key to well-being and further I compose
with light.
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• Light inspires us and can enliven space.
• There is the ever-changing presence of natural
  light.
• Natural light tells us about weather, the time of
  day, and satisfies other deeply rooted
  psychological needs.
• It makes buildings more pleasant and can increase
  employee productivity and reduce absenteeism.
• Natural light can provide ambient illumination
  which will reduce the use of electric light.
  This lowers energy consumption and reduces the
  generation of pollution.
• Misapplied it can result in excessive heat gain,
  uncomfortable glare, and degradation of artwork
  and materials. This misapplication of natural
  light is more common than its successful
  application. Building orientation is too often
  ignored, fenestration and facades are designed
  without regard to distribution of daylight,
  blinds are drawn to exclude the daylight, and the
  electric lights by the window are turned on
  regardless of the weather.

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Sources of Natural Light
To effectively use natural light, first assess
its availability. The quantity and quality of
light available for illumination in a building
are determined by the regional climatic
conditions. Available daylight patterns are
modified by factors such as adjacent landforms,
vegetation, and structures. The varying light
conditions create dramatically different
perceptual environments and architectural
responses. The three basic sources of natural
light are

• Daylight -- diffuse light through clouds or
  partially cloudy skies
• Sunlight -- direct-beam sunlight through clear or
  partially cloudy skies
• Reflected light -- light reflected from natural
  and/or man-made surfaces

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SUNLIGHTING STRATEGIES
For all lighting designs, the primary goal is to
provide illumination for visual activities and
visual delight. With sunlight, the basic design
strategy is to use the sunlight indirectly.
Indirect use of sunlight addresses the initial
difficulty of a moving source of extremely high
candlepower. The building design should admit the
proper amount of sunlight, use it efficiently,
and redirect it for balanced illumination and to
avoid glare.
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The most obvious trait of modern architecture is
its permeability to daylight. Instead of
blocking out most incident light, as did solid
walls with small windows in the past, the new
skeletal volumes are widely but also deeply
porous to natural illumination.
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Even by the end of the 19th century, a startling
change can be detected in the admission of
daylight to buildings. As the proportion of
openings to solid material began to reverse and
then widen dramatically, interiors were flooded
with fluctuating moods of weather and sky.
Instead of enclosing space with massive walls,
the building envelope became a filter to transmit
inside a magical radiance.
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Taliesin West Garden Room
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References

• http//www.caed.asu.edu/vitalsigns/pictures/tg-pic
  t/light/gardnlgt.htm
• architectural lighting, m. david egan
• masters of light