Daylighting In High Rise Buildings (ARCH 432)

Page 1

d a y d a i n

y

l i g h t i n g l i g h t

h i g h

r hi i sg her

i n

i s

i n

eb u b u i l d i n g s i l d i n g s

a n d r e a p e r e a a r c h 4 3 2 b u i l d i n g s y s t e m s


d a yd

a ly

p h o t o c e l l s u s e d

t o

l i g h t

a n d

:

a

d e t e c t o t h e r

a p p l i c a t i o n a u t o m a t i c

i g l i h g ht

:

t

ff a a cct to o r rc

uc r vue r

v e

t r a n s d u c e r a n d

m e a s u r e

r a d i a t i o n s .

l i g h t i n g

o n / o f f

a n d

c o n t r o l ;

i n t e n s i t y

p h o t o c e l l s

s h i e l d 2 4

d a y l i g h t

f a c t o r

2 0

2 0

1 6

1 2 1 0 8

4

4 a

b

c

0 d i s t a n c e

f r o m

w i n d o w

w a l l


s i t e d f =

s c

+

s t s ri tae t e s tg r ai tee sg e r c

d f

:

d a y l i g h t

s c

:

s k y

e r c i r c

: :

+

i r c

1

+

i r c

i e s

2

f a c t o r

c o m p o n e n t

e x t e r n a l l y i n t e r n a l l y

r e f l e c t e d r e f l e c t e d

c o m p o n e n t c o m p o n e n t

i r c

i r c

2

e r c

1

s c


d a y d a y l i g h t i n t e r i o r

h

f a c t o r

:

i l l u m i n a n c e

a v a i l a b l e ( e

l di g a yh tl o u t d o o r

t h e

i gf hat

r a t i o

c f ta o c tr o

r

o f

( e

) t o t h e i i l l u m i n a n c e

)

d f =

( e ( e

e r c = t h u s , b y

a

i f

)

i

)

i

s c

2 5 %

o f

b u i l d i n g

(

)

1 0 0 %

x

r d

t h e w i t h

x

s k y a

r f

i s

o b s t r u c t e d

2 0 %

r f ,

w e

h a v e :

e r c =

s c

x

0 . 2 5

x

0 . 2 0

t h e n :

e r c = t o

b e

a d d e d

s c

( 2 5 %

o f

5 % t o

t h e

t h e s k y

o f

s c

r e m a i n i n g w a s

7 5 %

o f

o b s t r u c t e d )


d e s i g dn e i m p o r t a n c e b u i l d i n g s

o f

e x a m p l e s .

t h e y

o f

a l l o w

t h e

h a v e

=

n o r t h a v

a v

r i s e

o n e

o r

l i g h t n o t

i n t o h a v e

w i n d o w s . r i s e s

l u x u r y

o f

T h e

d o e s

n o t

e v e r y o n e

t o

=

0 . 2

m o n i t o r s :

(

=

s k y l i g h t

0 . 3 3

0 . 5

(

g l a z i n g

f l o o r

f a c i n g

h o r i z o n t a l d f

h i g h

w i n d o w s .

v e r t i c a l

d f

d o

h i g h

ie m s t a i mt ae t se

f o l l o w i n g

a l l o w

w a l l s /

s c a l e

a v

t h e

w h i c h

e x t e r i o r

d f

m o s t

i n c l u d e

m u l t i p l e s

a r e a s

:

se i gsn t

(

a r e a

a r e a

)

s a w t o o t h : s k y l i g h t

g l a z i n g

f l o o r

a r e a

a r e a

s k y l i g h t s : s k y l i g h t

g l a z i n g

f l o o r

a r e a

a r e a

)

)

s


t o pt

0 . 2

(

g l a z i n g f l o o r

a r e a

ll ii gg hht itn i gn g g

=

)

0 . 2

(

9 7 ’

2

n

+

9 7

u li i d esl u ig d e n e

’ 2

s

= t h e

t y p i c a l

s l i g h t l y

b a y

t a r g e t

0 . 4 5 a b o v e

d v

a v

o f

2

o r

4 . 5 %

t h e 4 %

2 5 ’

e =

e =

e =

7 0

l u x

d f =

1

1 4 0

l u x

d f =

2

2 8 0

l u x

d f =

4

1 8 ’

e n t i r e

t o

2 ’

6 ’

2 ’

6 ’

2 ’

6 ’

i n e

1 3 2 ’ c l e r e s t o r y

2 ’

a p p l i e d

+

1 4 4 0 ’

3 ’

a v

=

s+ i sdi de e

6 ’

d f

o +p

)


a t r i ua m t r i 1

b l i g h

s k y s c r a p e r

a r c h i t e c t u s s y d n e y ,

u m

f i r m

a u s t r a l i a


s k y sl ki yg l h i gt hst

s

a p p l e b o h l i n n e w

h o t e l k 2 s

p a a s i t o r n i

a r c h i t e c t s

h e l s i n k i ,

f i n l a n d

y o r k

t a i p e i c . y .

l e e

t a i p e i ,

c y w i n s k i c i t y ,

p a r t n e r s

t a i w a n

j a c k s o n

n e w

1 0 1 &

s t o r e y o r k


r e n gt r et t h h ii nnk ki ni g

h et

hh e i g

h h h ri i gs e n e w

y o r k

r i s e c i t y



r e s o u r c e s d a y l i g h t s t r a t e g y e r g y s a v i n g p h o t o c e l l s v e g e t a t i o n cco o n cn l c u sl i u o n s i o n e s l o c a t i o n w e a t h e r c l i m a t e

a b s o r p t i o n n a t u r a l

l i g h t

w e l l s

2 1 s t

r e f l e c t i o n

o r i e n t a t i o n l i g h t a u t o m a t i o n

h e a t

2 1 c e n t u r y

g h t

t u h r y hc e i n g

hr i g h sr i s s e

n a t u r a l

s k y l i g h t s

d a y l i g h t

s t

c o n t r o l

c o s t

l i g h t

c o n t r o l

f a c t o r


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