IEVref:845-21-064ID:
Language:enStatus: Standard
Term: semi-cylindrical illuminance
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Symbol: Ev,sc
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Definition: arithmetic mean of the vertical illuminances, Ev,v, at a point in the range of azimuth angles π 2 φ π 2 MathType@MTEF@5@5@+= feaagKart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai abgkHiTmaalaaabaacdaGae8hWdahabaGaaGOmaaaacqGHKjYOcqaH gpGAcqGHKjYOdaWcaaqaaiab=b8aWbqaaiaaikdaaaaaaa@4241@

E v,sc = 1 π π 2 π 2 E v,v dφ MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadweadaWgaaWcbaGaaeODaiaabYcacaqGZbGaae4yaaqabaGccqGH 9aqpdaWcaaqaaiaaigdaaeaaimaacqWFapaCaaWaa8qCaeaacaWGfb WaaSbaaSqaaiaabAhacaqGSaGaaeODaaqabaaabaGaeyOeI0YaaSqa aWqaaiab=b8aWbqaaiaaikdaaaaaleaadaWcbaadbaGae8hWdahaba GaaGOmaaaaa0Gaey4kIipakiaabsgacqaHgpGAaaa@4DEE@

Note 1 to entry: The semi-cylindrical illuminance is expressed in lux (lx = lm·m−2).


Publication date:2020-12
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