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Grandeurs photométriques

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Grandeurs photométriques
Flux lumineux
Rwkuucpeg"nwokpgwug"fiokug"fcpu"vqwvgu"ngu"fktgevkqpu"rct"wpg"uqwteg0
Ng"hnwz"uÓgzrtkog"gp nwogpu0
Unité : Nwogp"*no+
Ng hnwz nwokpgwz fÓwpg uqwteg
nwogpu0
kpecpfguegpeg fg 322 Y guv fÓgpxktqp 3722
Intensité lumineuse
Rctvkg"fw"hnwz"nwokpgwz"nc"rnwu"rgvkvg"rquukdng"fcpu"wpg"ugwng"fktgevkqp0
Wpg"uqwteg"pÓfiogv"rcu"hqtefiogpv"fg"nc"nwokfltg"fÓwpg"hc›qp"fiicng"fcpu"vqwvgu"ngu
fktgevkqpu0"Kn"guv"fqpe"wvkng"fg"eqppc vtg"ng"hnwz"tc{qppfi"fcpu"ejcswg"fktgevkqp0
Symbole : Kx
Unité : Ecpfgnc *ef+"nwogp"rct"uvfitcfkcp0
Eclairement
NÓfiencktgogpv"fÓwpg"uwthceg"guv"fiicn"cw"hnwz"nwokpgwz"*gp"Nwogp+"vqodcpv"uwt
ejcswg"oflvtg"ecttfi"fg"egvvg"uwthceg0
Symbole : G"*hqtowng"gp"hqpevkqp"fw
hnwz"nwokpgwz+0
G"?"Hnwz"nwokpgwz"1"Uwthceg
Unité : Nwz"*nz+
Ng"Nwz"fiswkxcwv" "nÓfiencktgogpv"fÓwpg
uwthceg"fg"3"oflvtg"ecttfi"tgegxcpv"wp
hnwz"nwokpgwz"wpkhqtofiogpv"tfirctvk"fg
3"Nwogp0
Calcul de l'éclairement gp"wp"rqkpv
fÓwpg"uwthceg"gp"hqpevkqp"fg
nÓkpvgpukvfi"nwokpgwug"<
NÓfiencktgogpv"gp"wp"rqkpv"guv"kpxgtugogpv"rtqrqtvkqppgn"cw"ecttfi"fg"nc"fkuvcpeg"fg"nc
uqwteg"fg"nwokfltg0"Uk"qp"fqwdng"nc"fkuvcpeg."qp"fiencktg"6"*4)"?"4"z"4+"hqku"oqkpu0
Exemple <"wpg"ncorg"fg"97"Y"fiogv"3222"Nwogpu0"Gnng"fiencktg"wp"owt" "7"o"fg
fkuvcpeg0
NÓfiencktgogpv"guv"fg"<
NÓfiencktgogpv"guv"fiicngogpv"hqpevkqp"fg"nÓcping"kpekfgpv"fw"tc{qppgogpv"fg"nc
uqwteg0
Exemple <"Oguwtg"cxge"wp"cping"fg"67̇."ncorg"fg"97"Y" "7"o"fw"owt0
Nc"hqtowng"guv"fg"<
Luminance :
Nc"nwokpcpeg"eqttgurqpf"cw"pqodtg
fg"ecpfgnc"rct"o4"fg"uwthceg
crrctgpvg0
Gnng"ectcevfitkug"nÓcurgev"nwokpgwz
fÓwpg"uwthceg"fiencktfig"qw"fÓwpg
uqwteg"fcpu"wpg"fktgevkqp"rtfiekug0
Wpg"uqwteg"nwokpgwug"rtkocktg
*rtqlgevgwt+"qw"ugeqpfcktg"*uwthceg
tfihnfiejkuucpvg+"fiogv"xgtu"nÓÍkn"fgu
tc{qpu"nwokpgwz0"Nc"uqoog"fg"egu
tc{qpu"nwokpgwz"hqtog"nÓkocig"fg"nc
uqwteg"fg"nwokfltg"uwt"nc tfivkpg0"Nc"nwokpcpeg"fÓwpg"uwthceg"ffirgpf"fw"hnwz"nwokpgwz
tg›w."fw"fgitfi"fg"tfihngzkqp"fg"egvvg"uwthceg"gv"fg"nc"fktgevkqp"fÓqdugtxcvkqp"rct
tcrrqtv" "nc"uqwteg"nwokpgwug"fiencktcpv"egvvg"uwthceg0
Symbole : N
Unité : ecpfgnc"rct"o4"*Ef1o4+
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