Stupanj iskorištenja izvora svjetlosti

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Stupanj iskorištenja izvora svjetlosti, za umjetnu rasvjetu, je bezdimenzionalni odnos između svjetlosnog toka (sim. Φ; jed. lm) koje emitira svjetlo i ulazne električne snage (sim. P; jed. W), koje to svjetlo troši.

Kategorija
 
Vrsta
 
Ukupna
luminozitetna efikasnost (lm/W)
Ukupan
stupanj iskorištenja[1]
Izgaranje svijeća 0,3[2] 0,04%
stare ulične plinske svjetiljke 1–2[3] 0,15–0,3%
električna žarulja 100–200 W vofram električna žarulja (230 V) 13,8[4]–15.2[5] 2,0–2,2%
100–200–500 W halogena volfram žarulja (230 V) 16,7[6]–17.6[5]–19.8[5] 2,4–2,6–2,9%
5–40–100 W vofram električna žarulja (120 V) 5–12,6[7]–17.5[7] 0,7–1,8–2,6%
2,6 W halogena volfram žarulja (5,2 V) 19,2[8] 2,8%
volfram kvarc halogena (12–24 V) 24 3,5%
fotografske i projekcione svjetiljke 35[9] 5,1%
Svjetleća dioda - LED bijela LED (sirova, bez napajanja) 4,5–150 [10][11][12][13] 0,66–22,0%
4,1 W LED Edisonov navoj (120 V) 58,5–82,9[14] 8.6–12.1%
6,9 W LED svjetiljka s navojem (120 V) 55,1–81,9[14] 8,1–12,0%
7 W LED PAR20-par.al.reflektor (120 V) 28,6[15] 4,2%
8,7 W LED svjetiljka s navojem (120 V) 69,0–93,1[14][16] 10,1–13,6%
Teoretska granica 260,0–300,0[17] 38,1–43,9%
Lučna svjetiljka ksenon lučna svjetiljka 30–50[18][19] 4,4–7,3%
živa-ksenon lučna svjetiljka 50–55[18] 7,3–8,0%
Fluorescentna svjetiljka T12 cijev s magnetskom prigušnicom 60[20] 9%
9–32 W štedna žarulja 46–75[21][22][5] 8–11,45%[23]
T8 cijev s elektronskom prigušnicom 80–100[20] 12–15%
PL-S 11W U-cijev s tradicionalnom prigušnicom 82[24] 12%
T5 svjetiljka 70–104,2[25][26] 10–15,63%
Spiralna cijev s elektronskom prigušnicom 114-124,3[27] 15–18%
Tinjalica 1400 W sumporna svjetiljka 100[28] 15%
metalna halidna svjetiljka 65–115[29] 9,5–17%
Natrijeva svjetiljka s visokim pritiskom 85–150[5] 12–22%
Natrijeva svjetiljka s niskim pritiskom 100–200[30][31][5] 15–29%
Katodnaluminescencija elektronski stimulirana luminescencija 30[32] 5%
Idealni izvor usječeno 5800 K crno tijelo 251 37%
Zeleno svjetlo kod 555 nm (maksimalno moguća iskoristljivost) 683,002 100%

Izvori[uredi - уреди | uredi izvor]

  1. Defined such that the maximum value possible is 100%.
  2. 1 candela*4π steradians/40 W
  3. Westermaier, F. V. (1920). "Recent Developments in Gas Street Lighting". The American City (New York: Civic Press) 22 (5): 490. 
  4. Bulbs: Gluehbirne.ch: Philips Standard Lamps (German)
  5. 5,0 5,1 5,2 5,3 5,4 5,5 Philips Product Catalog (German)
  6. cite web |url=http://www.osram.de/_global/pdf/osram_de/tools_services/downloads/allgemeinbeleuchtung/halogenlampen/haloluxhalopar.pdf |title=Osram halogen |work=www.osram.de |language=German |accessdate=2008-01-28|format=PDF| archiveurl = http://web.archive.org/web/20071107054500/http://www.osram.de/_global/pdf/osram_de/tools_services/downloads/allgemeinbeleuchtung/halogenlampen/haloluxhalopar.pdf%7C archivedate = November 7, 2007
  7. 7,0 7,1 Keefe, T.J. (2007). "The Nature of Light". http://www.ccri.edu/physics/keefe/light.htm. pristupljeno 2007-11-05. 
  8. "Osram Miniwatt-Halogen". www.ts-audio.biz. http://www.ts-audio.biz/tsshop/WGS/411/PRD/LFH0324408/Osram_6406330_500mA_52V_E10_BLK1_MINIWATT-Halogen-Gluehlampe_f.Taschenl..htm. pristupljeno 2008-01-28. June 2008
  9. Klipstein, Donald L. (1996). "The Great Internet Light Bulb Book, Part I". http://freespace.virgin.net/tom.baldwin/bulbguide.html. pristupljeno 2006-04-16. 
  10. White LED Offers Broad Temp Range And Color Yield Electronicdesign Otherwise see:Google Cache
  11. "Nichia NSPWR70CSS-K1 specifications" (pdf). Nichia Corp.. http://www.nichia.co.jp/specification/led_09/NSPWR70CSS-K1-E.pdf. pristupljeno April 26, 2009.  September 2010|bot=H3llBot
  12. Klipstein, Donald L.. "The Brightest and Most Efficient LEDs and where to get them". Don Klipstein's Web Site. http://members.misty.com/don/led.html#ln. pristupljeno 2008-01-15. 
  13. "Cree XLamp XP-G LEDs Data Sheet". http://www.cree.com/Products/pdf/XLampXP-G.pdf.  Claims 132 lm/W.
  14. 14,0 14,1 14,2 Toshiba E-CORE LED Lamp
  15. GE 73716 7-Watt Energy Smart PAR20 LED Light Bulb
  16. Toshiba to release 93 lm/W LED bulb Ledrevie
  17. White LEDs with super-high luminous efficacy physorg.com
  18. 18,0 18,1 "Technical Information on Lamps" (pdf). Optical Building Blocks. http://www.pti-nj.com/products/High-Speed-Spectrofluorometer/TechNotes/TechnicalInformationLamps.pdf. pristupljeno 2010-05-01.  Note that the figure of 150 lm/W given for xenon lamps appears to be a typo. The page contains other useful information.
  19. OSRAM Sylvania Lamp and Ballast Catalog. 2007. 
  20. 20,0 20,1 Federal Energy Management Program (December 2000). "How to buy an energy-efficient fluorescent tube lamp". U.S. Department of Energy.
  21. "Low Mercury CFLs". Energy Federation Incorporated. http://www.energyfederation.org/consumer/default.php/cPath/25_44_3006. pristupljeno 2008-12-23. 
  22. "Conventional CFLs". Energy Federation Incorporated. http://www.energyfederation.org/consumer/default.php/cPath/25_44_784. pristupljeno 2008-12-23. 
  23. "Global bulbs". 1000Bulbs.com accessdate=2010-2-20. http://www.1000bulbs.com/32-Watt-Compact-Fluorescents/37889/. |
  24. Phillips. "Phillips Master". http://skinflint.co.uk/a416644.html. pristupljeno 2010-12-21. 
  25. Department of the Environment, Water, Heritage and the Arts, Australia. "Energy Labelling—Lamps". http://www.energyrating.gov.au/appsearch/download.asp. pristupljeno 2008-08-14. 
  26. "1000bulbs.com". 1000Bulbs.com. http://www.1000bulbs.com/F35T5-6500K/39598/. pristupljeno 2010-2-20. 
  27. Panasonic. "Panasonic Spiral Fluorescent". http://panasonic.co.jp/corp/news/official.data/data.dir/jn100609-1/jn100609-1.html. pristupljeno 2010-09-27. 
  28. "1000-watt sulfur lamp now ready". IAEEL newsletter (1) (IAEEL). 1996. Archived from the original on Aug. 18, 2003.  Check date values in: |archivedate= (help)
  29. "The Metal Halide Advantage". Venture Lighting. 2007. http://www.venturelighting.com/TechCenter/Metal-Halide-TechIntro.html. pristupljeno 2008-08-10. 
  30. "LED or Neon? A scientific comparison". http://www.signweb.com/index.php/channel/12/id/138/. 
  31. "Why is lightning coloured? (gas excitations)". http://webexhibits.org/causesofcolor/4.html. 
  32. ""Vu1 ESL™ R-30 Energy Efficient Light Bulb Specifications"". http://www.vu1corporation.com/eslupdate/.