1974
DOI: 10.1177/096032717400600202
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Effect of sodium/mercury ratio and amalgam temperature on the efficacy of 400 W high-pressure sodium lamps

Abstract: 400 W high-pressure sodium arc tubes containing different quantities of mercury in the sodium/mercury amalgam were placed with one end submerged in a bath of molten indium which controlled the temperature of the amalgam. For a series of different amalgam temperatures the following parameters were measured on 240 V supply: voltage, current, power input, self-reversal width and luminous flux. Information taken from these graphs and replotted as a function of the amalgam composition provided the amalgam temperatu… Show more

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Cited by 8 publications
(2 citation statements)
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“…For 400W HPS lamps, the mole fraction of sodium in amalgam is within the range of 0.625 -0.76. The maximum efficacy is reached when a (25°C) sodium mole fraction of 0.70 is used at an amalgam temperature of 640°C [10].…”
Section: 3mentioning
confidence: 99%
“…For 400W HPS lamps, the mole fraction of sodium in amalgam is within the range of 0.625 -0.76. The maximum efficacy is reached when a (25°C) sodium mole fraction of 0.70 is used at an amalgam temperature of 640°C [10].…”
Section: 3mentioning
confidence: 99%
“…Teniendo en cuenta estos indicadores, será posible realizar un análisis exhaustivo y comparativo de la eficiencia energética de las luminarias LED con paneles solares en comparación con las lámparas de sodio y mercurio conectadas a la red. Esta información será valiosa para los responsables de la toma de decisiones y los expertos en energía que busquen implantar soluciones eficientes y sostenibles en el alumbrado público [12] [13].…”
Section: Introductionunclassified