Merete Madsen - Lysnet
Merete Madsen - Lysnet
Merete Madsen - Lysnet
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Lysrum som begreb og redskab<br />
- or the Beauty of Daylight as a Sustainable Lighting Strategy<br />
<strong>Merete</strong> <strong>Madsen</strong>, Architect MAA, Lighting Architect, Ph.D.<br />
1
ONE WALL · ONE AFTERNOON<br />
Arkitekt: Tadao Ando. Fotograf: Henry Plummer<br />
2
SHADOW ANALYSIS FOR COMPFORT<br />
AND ENERGY ASSESSMENT<br />
3
SUNLIGHT ANALYSIS FOR URBAN SPACES<br />
4
Daylight calculated as daylight factor<br />
10,000 Lux<br />
200 Lux<br />
DF= 200 x100 = 2%<br />
10,000<br />
Daylight calculation to asses indoor climate and use of electrical lighting<br />
5
Why skylights are more efficient than windows in the facades<br />
6
Most efficient window configuration<br />
Efficient standard solution - seeking new form<br />
More daylight by raised ceiling height in window areas<br />
7
High window placement, most efficient, public – risk of glare<br />
Low window placement, less efficient, private, floor reflectance<br />
http://www.bwk.tue.nl/fago/daylight/<br />
2<br />
%<br />
2<br />
%<br />
2<br />
%<br />
8
Tilted window frame to reduce glare<br />
- the unique potential of thick walls<br />
9
Er dagslys gratis eller dyrt<br />
Belysningens omkostninger pr.<br />
år. på et vandret arbejdsplan.<br />
Se længer end etableringen og<br />
tæl driften med.<br />
Hvad er dyrest at ændre Den<br />
kunstigebelysningen kan laves<br />
om, men hvor tit kan<br />
dagslysforholdende forbedres<br />
Tænk dagslyset ind fra start.<br />
(Kilde: Long term assessment of the<br />
costs associated with lighting and<br />
daylighting techniques by Marc<br />
Fontoynont, Professor, Director of<br />
Laboratoire des Sciences de<br />
lHabitat, ENTPE – VElux daylight<br />
symposium 2009)<br />
10
Alexander, Christoffer et al.: A pattern language, Oxford<br />
University Press, New York,1977.<br />
11<br />
Dripps, R.D.: The First House, The MIT Press, Cambridge, 1997.<br />
LIGHT-ZONE(S)
Architectural<br />
theory<br />
Concept<br />
Light-zones<br />
Darkness-zones<br />
- whole<br />
Level of dissertation<br />
Skylight-zones<br />
Sunlight-zones<br />
Reflected light-zones<br />
- area<br />
Science of<br />
illumination<br />
Tool<br />
- Intensity<br />
- Distribution and direction<br />
- Colour<br />
- point<br />
12
Aalto’s library Bryggman’s chapel Le Corbusier’s foyer<br />
Why these tree exampels<br />
1. The categories<br />
A.<br />
2. Practical matters 3. ’Con amore’<br />
B.<br />
C.<br />
13
1.<br />
2.<br />
3.<br />
1. Skylight-zones<br />
2. Sunlight-zones<br />
3. Reflected light-zones<br />
14
light-zone(s) holds daylight as a ‘potential’ (to be revealed)<br />
The no-sky line<br />
The ‘(in-)flow of light’<br />
15<br />
Le Thoronet Abbey
Daylight – Character & Quality<br />
”A lot of the learning to work with light,<br />
since it doesn’t form by working with<br />
the hands as clay does, is this working<br />
with light through thought.”<br />
James Turrell, 1996<br />
16
Aalto/Library/Rovaniemi/Finland<br />
-from my PhD-thesis Light-zones as concept and tool<br />
A-A<br />
B-B<br />
Plan<br />
12<br />
12<br />
A A<br />
15<br />
B B<br />
14<br />
Daylight factors (%)<br />
5 4 3 2 1 0<br />
14<br />
17
When a daylight opening functions as a ‘daylighting luminarie’<br />
18
Bryggman / Kapelsal / Turku<br />
19
June 2 p.m.<br />
Marts/sep. 2 p.m.<br />
Dec. 2 p.m.<br />
The opening<br />
hours of the<br />
chapel<br />
- After hours<br />
June 12 noon<br />
Marts/sep. 12 noon<br />
Dec. 12 noon<br />
21<br />
June 10 a.m.<br />
Marts/sep. 10 a.m<br />
Dec. 10 a.m.<br />
Marts/sep. kl. 08
Le Corbusier / Foyer / Paris<br />
22
the directions of light and human perception<br />
23
the directions of light and human perception<br />
24
the directions of light and human perception<br />
25