VISUAL PERFORMANCE (NATURAL & ARTIFICIAL LIGHTING)

Transcription

1 VISUAL PERFORMANCE (NATURAL & ARTIFICIAL LIGHTING) Archt.!Moediar)anto,"MSc,!IAI! " " Faculty"of"Architecture"&"Design" "

2 Introduction"

3 Building Performance" Definition" the"series"of"mandates" occupancy"" requirements"and"the" elemental"parameters"of"" comfort comfort dependent"on" physiological,! psychological,!! sociological,! economic!values.!!! Source:(Feriadi,(2003)""

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19 Visual Performance" Fundamental" "wave"length"380nm"j"800"nm","known"as"visible!light! "indicated"by"violet"to"red!

20 Visual Performance" Impacts of Lighting " FISIOLOGIS PSIKOLOGIS

21 Daylight"architecture"

22 Visual Performance" Impacts of Lighting " Daylight"architecture"! """""globe.""! """""dimensional.""an"excellent"" """""means"for"controlling"our" """""level."

23 Visual Performance" Main"parameters"in"daylight"availability" Daylighting" Climate!and!weather! Sun!course!(la)tude,!)me/date)!

24 Design Method" Daylighting" DF"="SC"+"ERC"+"IRC" Split flux method( Sky!Component!(SC)!J"Directly"from"the"sky,"through"an"opening" such"as"a"window."" Externally!Reflected!Component!(ERC)!H!Reflected"off"the"ground," trees"or"other"buildings."" 2"of"surfaces"within"the"room.""

25 Design Method" Daylighting" BRS DAYLIGHT FACTOR PROTRACTOR NO. 2

26 Exercise"

27 Design Method" Daylighting" P" From"the"outer"scale:" 2.5" "0.1"="2.4%! R" Ini7al,Sky,Component,(ISC), From"the"inner"scale:" (25"+"5)/2"="15! Average,angle,of,eleva7on,,

28 Design Method" Daylighting" Average,angle,of,eleva7on, 15,, M" Draw"an"arch"of"the" N" Following"the"drop"lines," from"the"inner"scale:" 0.25"+"0.05"="0.3( Correc+on(Factor( Sky,component:, 0.3,x,2.4%,=,0.6%,

29 Design Method" Daylighting" Total(wall(surface(area:( 2"(4.5"x"2.75"m)"+"2"(5.5"x"2.75"m)"+"2"(0.5"x"2.75"m)"=""57.75!m 2! Total(ceiling(&(floor(surface(area:( 2"(4.5"x"5.5"m)" "2"(0.5"x"2"m)"="47.50!m 2! Total,surface,area:,, !m 2! Window,area:( 2"x"1.25"=""2.50!m 2! Ra7o,window,area,to,total,surface,area:( 2.50"m 2 /105.25"m 2 ""=""0.023!! Nomogram!A!

30 Design Method" Daylighting" Ra7o,wall,surface,area,to,total,surface,area:( 57.75"m 2 /105.25"m 2 ""=""0.548!! White/"light"colors" Interpola7on( (56J54)/(0.6J0.5)*(0.548J0.5)"="0.096!! Wall,Reflectance( 54"+"0.096"="54.096!! Nomogram!scale!B!

31 Design Method" Daylighting" Daylight"Factor"(DF)"=" SC"+"IRC"+"ERC" 0.6"+"0.85"+"0"="1.45%! 1.45"%"x"10.000"lux"="145!lux!

32 Design Method" Standard" Problem:! at"a"distance"of"2.5!)mes"of"height"of"the"top"of"window."" Good" Bad"

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34 Do"you"have"any"idea"in"terms"of" architectural"design"+"technology"" to"solve"these"problems?""

35 Design Principles" Technology" 3" 1. External"and"internal" light"shelves" 2. heliostat"and"light" pipes." 3. Anidolic "ceiling" 1" 2"

36 Design Principles" Technology" 1"

37 Design Principles" Technology" 1"

38 Design Principles" Technology" 1"

39 Design Principles" Technology" 1"

40 Visual Performance" Technology" Shading!systems!primary"using"diffuse"skylight"

41 Visual Performance" Technology" Shading!systems!primary"using"direct"sunlight"

42 Visual Performance" Technology"

43 Visual Performance" Technology" Shading!systems!primary"using"diffuse"skylight"

44 Visual Performance" Technology" Shading!systems!primary"using"diffuse"skylight"

45 Visual Performance" Technology" Direct!light!guiding!systems"

46 Visual Performance" Daylighting" Moediar)anto,"2008,"A,Study,of,Dayligh7ng,Systems,in,Residen7al,Building,under,Tropical,Climates,"" Journal"Architecture"TESA,"Vol."6"Number"1,"ISSN"1410"J"6094"

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49 Challenge"

50 architecture"

51 Visual Performance" Impacts of Lighting " ""Confined"by"the"inadequate"luminous"power" """"provided"by"the"light"sources"available.""! ""Give"impacts"to"environment"directly"!

52 Artificial lighting" Principal Lighting Criteria " "Freedom"from"Disturbing"Glare" "Light"Color"and"Color"Rendering" "

53 1 Artificial lighting"

54 Artificial lighting" 1 Luminous"Flux" Luminance" Luminous"Intensity" Illuminance" Photometric"Quan@@es"

55 Requirements! Illuminance!(lx)! Examples! Low" 20"J"70" Artificial lighting" 1 Moderate" 120"J"185" Entrance,"restaurant" Medium" 250"J"375" General"task" High" 500"J"750" Reading,"wri@ng" Very"high" >"1000" Precision"task"

56 Exercise"

57 Artificial lighting" 1."Room"Index" T="2"m" 0.75"m" P" 10"x"4" K =" =" 1.43" 2"(10+4)" L"

58 Artificial lighting" MASTER!LED!18H100W!2700K!PAR38!25D!Dim!"

59 2."Design"Factor" Artificial lighting" UF"=" "="0.57! MF"="0.8! DF"="0.57"x"0.8"="0.456! x 0.18 = 0.022

60 Moediartianto, ST, M.Sc 2010

61 Artificial lighting" 2 PERCEPTION (Lighting Distribution)

62 Artificial lighting" 2

63 Artificial lighting" 2

64 Artificial lighting" 2

65 Artificial lighting" 2

66 Artificial lighting" Visual Quality 3 No direct glare Glare"is"caused"by"brightness"of"any"objects"within"the"visual" field"which"is"brighter"than"the"adapta@on"level"of"eye" It"can"lead"to"discomfort":"Discomfort"Glare"

67 Artificial lighting" 4

68 Artificial lighting" 4

69 Artificial lighting" Color!Rendering!! 5 CRI (Ra) describes lighting quality using scale (0 100) Ra < 20 Ra > 80

70 Artificial lighting" 5

71 Artificial lighting" 5

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73 Exercise"

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76 Artificial lighting"

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78 Artificial lighting"

79 Artificial lighting"

80 Artificial lighting"

81 Artificial lighting"

82 Artificial lighting"

83 Artificial lighting"

84 Artificial lighting"

85 What"should"we"do"" to"implement" green!concept" under"the"tropical"climates?"

86 Challenge"

87 Challenge"

88 Challenge"

89 Challenge" Occupancy"Sensor"" Daylight"Sensor" Bad"Design """":"25" "40"W/m2" Excellent"Design:"4.8"W/m2"""

90 Maraming Salamat! Magandang linggo sa iyo! Moediar)anto,"" Faculty"of"Architecture"&"Design"