- luminous efficacy of a source
- 1) световая отдача (источника)
English-Russian vocabulary of international lighting . 2014.
luminous efficacy of a source
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Luminous efficacy — is a measure of how well a light source produces visible light. It is the ratio of luminous flux to power. Depending on context, the power can be either the radiant flux of the source s output, or it can be the total electric power consumed by… … Wikipedia
Efficacy — is the capacity to produce an effect. It has different specific meanings in different fields. 1 ef·fi·ca·cy /ˈɛfɪkəsi/ noun [noncount] formal : the power to produce a desired result or effect ▪ The efficacy of this treatment has not yet been … Wikipedia
Luminous flux — In photometry, luminous flux or luminous power is the measure of the perceived power of light. It differs from radiant flux, the measure of the total power of light emitted, in that luminous flux is adjusted to reflect the varying sensitivity of… … Wikipedia
Candle — For other uses, see Candle (disambiguation). A close up image of a burning candle showing the wick and the various parts of the flame … Wikipedia
Lumen (unit) — The lumen (symbol: lm) is the SI unit of luminous flux, a measure of the perceived power of light. Luminous flux differs from radiant flux, the measure of the total power of light emitted, in that luminous flux is adjusted to reflect the varying… … Wikipedia
ГОСТ Р 54814-2011: Светодиоды и светодиодные модули для общего освещения. Термины и определения — Терминология ГОСТ Р 54814 2011: Светодиоды и светодиодные модули для общего освещения. Термины и определения оригинал документа: 3.5 бин (bin): Ограниченный диапазон параметров светодиода, используемый для подразделения множества светодиодов на… … Словарь-справочник терминов нормативно-технической документации
Световая отдача — 6.8. Световая отдача h лм/Вт Источник: ТСН 23 328 2001: Энергетическая эффективность жилых и общественных зданий … Словарь-справочник терминов нормативно-технической документации
световая отдача источника; ηV, η — 3.24 световая отдача источника; ηV, η (luminous efficacy of a source; ηV, η): Отношение излучаемого светового потока к мощности, потребляемой источником света. [МЭК 60050 845:1987, определение 845 01 55, измененный] Примечание Световую отдачу… … Словарь-справочник терминов нормативно-технической документации
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
Incandescent light bulb — The incandescent light bulb, incandescent lamp or incandescent light globe is a source of electric light that works by incandescence, (a general term for heat driven light emissions which includes the simple case of black body radiation). An… … Wikipedia
Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe … Wikipedia
