Study of Daylight in Genzyme - MITdspace.mit.edu/bitstream/handle/1721.1/41881/4-492Fall...blinds can and should be opened • heating bill in the winter Propose timing suggestions

Study of Daylight in Genzyme

Courtney BrowneSiân KleindienstEd Rice

How can we improve this space?

Summary of Presentation •

space? •

and Proposals •

• •

• • •

• • •

•

How can we improve this

Objectives, Recommendations

Conference Room Analysis Proposal

Circulation Space Analysis Control recommendations

Solar Gains Analysis Recommendations

Conclusion

Qualitative objectives for project

• room

• solution involving blind control

• circulation lobby

Increase natural light in the conference

Develop dynamic and artistic lighting

Reduce the effect of solar gains in the

Quantitative objectives: Conference Room

• room

•

Double the natural light in the conference

Avoid glare at seating level

Control recommendation: Circulation Lobby

• blinds can and should be opened

• heating bill in the winter

Propose timing suggestions for when the

Take advantage of solar gains to lower the

Management proposal: Solar Gains

• ramifications

• necessary times of year

Daylighting strategies will have solar gain

Increase ventilation in the space for

Background: Conference Room


• Greek: an = “without” + eidolon = “image” → nonimaging

From Ancient

Anidolic Daylighting Systems


• Anidolic Systems as light duct...

Analysis: Conference Room

Hall-length half Anidolic Duct




36 cm

60 cm

30 cm 42 cm

Focus (0,30)

Vertex (0,0)

Focus (-1,30) Vertex (-2,30)

(x+2) = (y-30)2/4 y = x2/120


90° source

*Simulations generated in Tracepro


60° source



45° source



30° source

“light shelf” effect



18° source

“light shelf” effect



• •

design •

the ceiling

Works best for the angle it was designed for (90°) Should determine where most light coming from before

Angling the outer parabola would probably get more light to


• •

design •

the ceiling

• • • •

Works best for the angle it was designed for (90°) Should determine where most light coming from before

Angling the outer parabola would probably get more light to

Light exits duct after 1 to 3 bounces 2 or 2.5 bounces is a good average Reflection coefficient of the duct is 0.9... ... so 70 – 80% of the light should make it through the duct




Proposal: Conference Room

• • •

sprinkler heads

Ceiling Fixture Suspending tie system Allows for lights and

Proposal: Conference Room

• • •

• • • •

Ceiling Fixture Suspending tie system Allows for lights and sprinkler heads

Simple, attractive materials Aluminum sheet Nuts and bolts hidden Ties attach fixture to ceiling



Background: Circulation Lobby •

space indicates thepassage of time

• patches give theimpression of depth

• sun exposure in thewinter months to avoid depression

open override

Movement of light in

Light and dark

People seek direct

observed here

Guidelines: Circulation Lobby• High contrast at

conference room task plane should be avoided

• Try to balance sunlight across the circulation area

• Avoid sun patches over 2 m wide

• Avoid solar gains in cooling months

Method: Circulation Lobby

75°

90°

105°

120°

135°

150°

60°

70°

80°

6

7

8

9

10 1112

13 14

i

• •

1st Jan

1st Feb

1st M ar

1st Ap r

S te re o g ra p hic D ia g ra m Loc a t on : 42 .0 °, -72 .0°

Sunpath Raytrace

Analysis: Circulation Lobby Open Upper blinds: • (6AM-2PM) During December 15 to January 15. • •

Elevation of blinds

1 m .5 m from from September 15 to May 15 After 2PM only lower blinds may open

Recommendations: Circulation Lobby

Background: Solar Gains •

too hot to need the added heat Problem when it’s too cold to use air conditioning and


too hot to need the added heat •

•

Problem when it’s too cold to use air conditioning and

“Stack effect” Pressure is inversely proportional to height



• •

air

Problem when it’s too cold to use air conditioning and

“Stack effect” Pressure is inversely proportional to height The gradient is greater for cool, outside air than for warm inside



• •

air •

Cool outside air

Warm inside

air

Problem when it’s too cold to use air-conditioning and

“Stack effect” Pressure is inversely proportional to height The gradient is greater for cool, outside air than for warm inside

The warm, inside air wants to travel to the area of less pressure

Analysis: Solar Gains •

inside temperature (true for most of the year in Boston)

• If a bottom window and a top window are open: • •

• the inside temperature, air conditioning will be used

• space (winter), the windows should be closed

Outside temperature must be less than the

Ventilation will occur The space will cool

When the outside temperature is hotter than

When ventilation is not necessary to cool the

Proposal: Solar Gains

• and the very bottom

here

Windows should be functional at the very top

Windows should be operational

Elevation

Proposal: Solar Gains

• and the very bottom

• and is aesthetically pleasing

Windows should be functional at the very top

A rotating window allows for easy operation

Conclusion

• • • •

• • • •

Main areas to improve: Natural lighting in conference area Dramatic play of light in circulation lobby Decrease solar gains in circulation lobby

Proposals: Anidolic light shelf Timing system for blinds Operable windows

Simulation topics: Circulation Lobby

Documents

Study of Daylight in Genzyme - MITdspace.mit.edu/bitstream/handle/1721.1/41881/4-492Fall...blinds can and should be opened • heating bill in the winter Propose timing suggestions