IESNA TM-24-2013 An Optional Method for Adjusting the Recommended Illuminance for Visually Demanding Tasks Within IES Illuminance Categories P through Y Based on Light Source Spect.pdf

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1、IES TM-24-13Adjustinnull tnulle nullenullnullnullnullended Inullnullunullinnullnnulle nullnullr nullisunullnullnullnull nullenullnullndinnull Tnullsnulls nullitnullin IES Inullnullunullinnullnnulle nullnulltenullnullries null tnullrnullunullnull null Bnullsed nulln nullinullnullt Snullurnulle Snulle

2、nulltrunullAn Optional Method for IES TM-24-13An Optional Method for Adjusting the Recommended Illuminance for nullisuallnull nullemanding Tasnulls nullithin IES Illuminance nullategories null through null nullased on nullight Source SpectrumPublication of this TechnicalMemorandum has been approved

3、by the IES. Suggestionsfor revisions should be directedto the IES.nullrepared nullnullnullIES nullisual Effects of nullamp Spectral nullistrinullution nullommitteeIES TM-24-1nullCopyright 2013 by the Illuminating Engineering Society of North America.Approved by the IES Board of nullirectornullnull A

4、ugunullt 1nullnull 2012null anull a nullrannullaction of the Illuminating Engineering Society of North America.All rightnull renullerved. No part of thinull publication may be reproduced in any formnull in any electronic retrieval nullynulltem or othernullinullenull nullithout prior nullritten permi

5、nullnullion of the IES.nullublinullhed by the Illuminating Engineering Society of North Americanull 120 nullall Streetnull Nenull nullornullnull Nenull nullornull 1000null.IES Standards and nulluides are developed through committee consensus and produced by the IES nullffice in nullenull nullornull.

6、 nullareful attention is given to style and accuracy. If any errors are noted in this documentnull please fornullard them to nullita nullarroldnull nullirector of Technologynull at the above address for verification and correction. The IES nullelcomes and urges feedbacnull and comments. ISnullnull n

7、ull nullnullnull-null-nullnullnullnullnull-2nullnull-4nullrinted in the nullnited Statenull of America.nullISnullnullAIMERIES publications are developed through the consensus standards development process approved by the nullmerican nullational Standards Institute. This process brings together volun

8、teers represent-ing varied vienullpoints and interests to achieve consensus on lighting recommendations. nullhile the IES administers the process and establishes policies and procedures to promote fairness in the development of consensusnull it manulles no guaranty or nullarranty as to the accuracy

9、or completeness of any information published herein. The IES disclaims liability for any innullury to persons or property or other damages of any nature nullhatsoevernull nullhether specialnull indirectnull consenulluential or compensatorynull directly or indirectly result-ing from the publicationnu

10、ll use ofnull or reliance on this documentIn issuing and manulling this document availablenull the IES is not undertanulling to render professional or other services for or on behalf of any person or entity. nullor is the IES undertanulling to perform any duty onulled by any person or entity to some

11、one else. nullnyone using this document should rely on his or her onulln independent nulludgment ornull as appropriatenull seenull the advice of a competent professional in determining the enullercise of reasonable care in any given circumstances.The IES has no ponullernull nor does it undertanullen

12、ull to police or enforce compliance nullith the contents of this document. nullor does the IES listnull certifynull test or inspect productsnull designsnull or installations for compliance nullith this document. nullny certification or statement of compliance nullith the renulluirements of this docu

13、ment shall not be attributable to the IES and is solely the responsibility of the certifier or manuller of the statement.IES TM-24-1nullIES nullisual Effects of nullamp Spectral nullistrinullution nullommitteenullnull nullienullelnull nullhairnullnull nullenullranullionull SecretarnullS. nullermannu

14、ll. nullrodricnullnullnull. nullulloughnull. nullhennullnull. nullyreM. nulluffynull. nullunlapnullnull. nullettersS. nullotiosnull. nullellernull. nullouserP. nullistlernullM. nullambertnull. nulleenullnull. nullevinnullS. nullalercnullynullnull. nullaymouthM. nullhitneynull. nulliignullT. Tolen nu

15、lldeceasednullnullnulldvisorynulligure 1 on page 2 reproduced nullith perminullnullion from Elliott nullBnull nullang nullCnull nullhitanuller null. nullinullual acuity changenull throughout adulthood in normalnullhealthy eyenullnull nulleeing beyond nullnullnull. nullptom nullinull Sci 1nullnullnul

16、lnullnull2null1nullnullnullnull1. nullnullhe American Academy of nullptometry 1nullnullnull.IES TM-24-1nullIES TM-24-1nullnullontents1nullnull nullOREnullORnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17、 . . . .12nullnull SnullOnullE Anullnull nullIMITATIOnullS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12null1null Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18、. . . . . . . . . . . . . . . . . . . . . . . . .12null2null nullimitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13nullnull OnullERnullIEnullnull nullOnullnullEnullTS Anullnull nullEnullInullITIOnu

19、llS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13null1null The Role of Spectrum in nullefining nullhotometric nulluantities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13null2null The nullhotopic nulluminous Efficiencnull nullunctionnu

20、ll nullnullnull. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23null3null nullupil Sinullenull Retinal Image nullualitnull and nullisual Acuitnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23null4null nullisual Efficiencnull and nullisual Effo

21、rt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33nullnullnull nullisuallnull nullemanding Tasnulls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33nullnullnull nullisual Acuitn

22、ullnull nullisual Efficiencnullnull and nullisual nullerformance of nullisuallnull nullemanding Tasnulls . . . . . .43nullnullnull nullight-nullenullelnullSpectrum Tradeoff for nullisuallnull nullemanding Tasnulls. . . . . . . . . . . . . . . . . . . . . . . . . . . .null4nullnull SnullMMARnull Onul

23、l RESEARnullnull. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .null4null1null Onullernullienull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24、. . . . . . . .null4null2null nullupil Sinulle nulloes nullot nullollonull null(null . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .null4null3null nullhnullsiological Mechanism Enullplaining Spectrallnull-nullrinullen nullupil Sinulle nullhan

25、ge . . . . . . . . . . . . . . . .null4null4null Empirical nullormula nullorrelating nullupil Sinulle nullariation Including nulloth null and nullamp Snullnull. . . . . . .null4nullnullnull nullupil Sinulle and nullisual Acuitnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26、 . . . . . . . . . . . . . . . . . . . . .null4nullnullnull nullamp Spectrum and nullisual Acuitnull null nullisual nullerformance Studies. . . . . . . . . . . . . . . . . . . . . . . . .null4nullnullnull nullurrent Statusnull 2null11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27、. . . . . . . . . . . . . . . . . . . . . . . . . . . . .13nullnullnull EnullnullInullAnullEnullT nullISnullAnull EnullnullInullIEnullnullnull nullEnullEnull nullAnullnullnullnullATIOnull. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13nullnull1null Onullernullienull . . . . .

28、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13nullnull2null nullasis for nullalculationnull Enulluinullalent nullisual Efficiencnull nullEnullEnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13null

29、null3null EnullE nullalculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14nullnull4null The EnullE nullalculation and the IES Illuminance nulletermination Snullstem . . . . . . . . . . . . . . . . . . . .1nullnul

30、lnullnullnull Summarnull of the EnullE nullalculation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1nullnullnullnull nullESInullnull nullOnullSInullERATIOnullS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31、 . . . . . . . . . . . . . . . . .1nullnullnull1null Onullernullienull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1nullnullnull2null Acceptance of nulligh nullnullT Amnullient nullighting at nullonuller

32、 nullight nullenullels. . . . . . . . . . . . . . . . . . . . . . .1nullnullnull3null nullolor Appearance and nullighting nullualitnull . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1nullnullnull4null nullrightness nullerception . . . . . . . . . . . . . .

33、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1nullnullnullnullnull nullanulllighting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1nullnullnullnullnull Age . . .

34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1nullnullnullnull nullOnullnullnullnullSIOnullS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35、 . . . . . . . . . . . . . . . . .1nullREnullEREnullnullES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2nullAnnenull A null nulliscussion of nullarious Studies nulllaiming an Anullsence of Spec

36、tral Effects on nullisual Acuitnull andnullor nullisual nullerformance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24Annenull null null nulliscussion of nullarious Studies on the Relationship of nullupil Sinulle to nullisual Acuitnull nullnullAnull . . . . .32Ann

37、enull null null EnullE Tanullle of Illuminance Modifnulling nullactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3nullnullOSITIOnull STATEMEnullT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

38、. . . . . . . . . . .41IES TM-24-1nullnullIST OnullAnullnullREnullIATIOnullSEnullE Enulluivalent nullisual Efficiencyfc nullootcandlesIESnull IESnullnull The Illuminating Engineering SocietyIES nullandboonull nullefers to the 1nullth Edition of the IES nullighting nullandboonullnull unless specifica

39、lly noted othernulliseipnullnullnull Intrinsically Photosensitive nulletinal nullanglion nullellsmin Minutes of arcnm nullanometersPS Pupil SinulleSnullP Scotopic to Photopic nullatioSPnull Spectral Ponuller nullistributionTM Technical Memorandumnullnull nullisual nullcuitynullnull nullisibility nul

40、levelnullnullnull Photopic nulluminous Efficiency nullunctionnullnullnull Scotopic nulluminous Efficiency nullunction1IES TM-24-1nullThe IES nulloard of nullirectors has issued a Position Statement regarding the use of information in this TM. It is contained at the end of the TM on page 41.1nullnull

41、 nullOREnullORnullThis Technical Memorandum nullTMnull addresses honullthe Spectral Ponuller nullistribution nullSPnullnull of light sourc-es can be incorporated into the IES Illuminance nulletermination System for visual tasnulls that are cat-egorinulled as P through null nullithin interior lightin

42、g appli-cations. The summary of research investigations included in this TM describes honull light spectrum affects pupil sinullenull visual acuitynull and visual efficiency under the conditions of interior lighting conditionsnulland concludes that light source SPnull can be fac-tored into lighting

43、calculations for interior lighting applications under limited conditions nullhen visual tasnulls renulluire the ability to discern visual detail to ensure speed andnullor accuracy in the performance of the visual tasnull. These tasnulls are defined in this TM as visually demanding tasnulls and are a

44、 subset of visual tasnulls nullithin IES nullategory P through null of the Illuminance nulletermination System. This TM intro-duces the Enulluivalent nullisual Efficiency nullEnullEnull calcu-lation and provides general guidelines and relevant caveats for its use. The calculation is optional and its

45、 use should be balanced nullith other lighting design criteria and obnullectives.2nullnull SnullOnullE Anullnull IMITATIOnullS 2null1 ScopeApplicationnull and tanullnullnull are limited tonull1. nullisual tasnulls for nullhich the IES has designated nullategories P through null as the nullecommended

46、 Illuminance Target nullnullefer to Table 4.1null IES nullandboonullnullnull and2. nullisual tasnulls that are nullisually nullemanding Tasnullsnull as defined in this Technical Memorandumnull andnull. Interior lighting applications in nullhich the condi-tions of performing the tasnull are under a f

47、ull-field-of-vienullnull nullith relatively uniform lighting nullluminance ratios do not enullceed the nullefault nulluminance nullatio nullecommendations nullTable12.nullnull IES nullandboonullnullnull and4. nullisual tasnulls for nullhich the tasnull bacnullground lumi-nance is nullnull cdnullm2or

48、 greater.Applicationnull and nullanullnullnull Not IncludednullThe methods described in this TM do not apply to applications and tasnulls that have been designated as IES Illuminance nullategories null through null as the nullecommended Illuminance Targetnull are enullterior light-ing applicationsnu

49、ll or are non-visual tasnulls. nullther tasnulls that are enullcluded are noted in Section 3nullnull under the definition of visually demanding tasnulls.The methods described in this TM are based on honulllight source SPnulls affect the ability to discern visual detail. nullight spectrum can also impact brightness perceptionnull color renderingnull discomfort glarenull circa-dian rhythm and other possible health issuesnull but these issues are outside the scope of this TM. 2null2 nullimitationsIn publishing TM-24null the IES acnullnonullledges that light source SPnull can affect vision i