Page 107 - เรื่อง การศึกษาและพัฒนาโคมไฟประดับเพื่อให้แสงต้นไม้ภายในอาคาร

Basic HTML Version

38
~~il 1HlJl()Htff~
(0
)
hnnhv~llJU
(1m)
~lfllm~~fi1l11"llff~ ~1,,'1f11uffllJm~vlJljlJl,,'l
(W )
limhm1'lu
~llJU ~!Jm"1ll11~VU
(lm/sr)
l1~il
llflw"m
(Candela, cd)
Il ~ 0
IW
2.2.7
f111lJriil~ff11~
(Illuminance, E)
lrlillitl1lJ1mllff~
(0)
"flm:::l'lU<HUU
1l1U1v~u~1"
(A)
~:::'If1mllJrie~ff11~
(E)
lil1U1m1'Ju~llJU~ml'd~l1U1V~U~
(Lumen per unit area)
.11ilciW\Jil~filmllJriil~ff11~
1"v~1'1tl
'1f1110
lrlil1"rllf111lJrie~ff11~Um:::U1U~l1H~lfllYiVUililfllJ1
1 JlJIll1
~:::lirl1J'l'i1nu
1
ftfloU
1"vlif111lJ1YlJ')1Ulh:::l11Htl1lJ1mUff~Il,,:::~u~fullff~ .1~fflJfl11
2.2.8 f111lJff1H
(Luminance, L)
Jrlell!1Wlflm:::l'l
U1IllQllt\'1!1:::Y1ilUflftUl1~ilriil~r.j,u 1IllQl'1i'1~1ll1
V111
MlJil~111
U
1Ill QJUtf1
J111~Vfltl11fllJfl11ruif11 mllJ!111~
iJl1U1VltlU
llflW"m~il\ll111~llJ\ll'i
(cd/m')
l1~V
~"Il"lJI1J{"
(Footiambert,
fl)
JrlV1"Q~llff~lllflfl1:::l'llJli~ui'h~'li1(Jfl1:::~lmlff~
(Diffuse)
rllmllJff11~~:::utl1
Hum
~
nUrl
lfl11lJrie~ ff11~
ll"::: 1YlJtl1::: ffl'liffll111::: Y1ilUll!1
~l1 ~
ValJ tl 'i::: ffl'l iffl11
rie~
r·hu
1)
v~
Uff~ .1~!1lJfl11
L
[xp/A
EOx) xp/n
",1l~tJ
ed/m
2
L
[x,IA
EOx)x
,In
",1l~(J
ed/m
2
L
E(fe) x p
L
E(fe) x,
2.2.9
f111lJ~1
(Brightness)
mllJ~l ~V fl11"VU!1Uil~l'l1~~lUfl11lJ;:;"
(Subjective Response)
fiVfl11lJffil~
~,J
d
~
,J
J
,~ _I~
,
(Luminance)
tUVHJflll'ly;lJil-liljU
(Fieici of View)
C)j';~Uil~flUtl1)UnJfffl111i1il~"1~"1i1e~Il"
'"
~
:v
.: ""
l vd
I
.;.
.=t
d
Q
~.:
""
v
<=l
.d.:,OJ
n:t:ljflfln
!!
n:::ljflfln
~:::1 U~mllJ~li1il~l1U
Nl1" flIllVllJillJfll'i! tl'i VUll'l VUflUl1U N1i1 Hlfl
V~l'llJ"
l1~,Jff11~fl11
tl11
fllU1mll":::fl111"tl~lJ1mllff~~lllflm::: l'lU~U i'h~N'l !tlU~UllUilV~fl11
ililflllUUfl1'i
i
Mllff
~ ff11~ i~ifJ1'I1JJ
11 'i 1:::rllf111lJ
riil~
ffiN
'1
f1
~lflfl1'i
fllU1m
~ '1J,jq~Vlfl'~U~ilU