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It has a higher calorific value and burns with a luminous flame.
Lamps for illumination rather than heat may use a deliberately luminous flame.
These are easily stored, easily controlled and give a brightly luminous flame.
My personal visualisations of colour arise within luminous flames of iridescence.
Yet Duse (pronounced Doo-zay) still comes across as a luminous flame in a dark world.
High carbon fuels such as coal are preferred for kiln firing, because they yield a luminous flame.
A luminous flame is a burning flame which is brightly visible.
Like the incandescent soot in a luminous flame, the mantle is heated and then glows.
One of the most familiar instances of a luminous flame is produced by a Bunsen burner.
In a plain burner, only the ethylene produced a luminous flame but the light output could be greatly increased by using a gas mantle.
This reduced mixing produces an incomplete reaction, producing a cooler but brighter yellow which is often called the "safety flame" or "luminous flame".
Slipping off his sandals, he crept up the stairs, casting one last look back toward the softly luminous Flame, and toward the nervous, frightened figure standing beside it.
With traces of PH present, PH is spontaneously flammable in air, burning with a luminous flame.
Producing a deliberately luminous flame requires either a shortage of combustion air (as in a Bunsen burner) or a local excess of fuel (as for a kerosene torch).
He noticed that at the summit the candle gave a very poor light, and was thereby led to investigate the effect produced on luminous flames by varying the pressure of the atmosphere in which they are burning.
When that correspondence was reached, the grandmother informed them, a luminous flame from the bowels of the earth blazed up and danced in the air for a long while, bathing the initiate with light and warmth.
Gas lighting, whereby light is generated by a highly luminous flame and then transported to applications through light pipes, while the heat is recovered for space/water applications, offers 10-fold GHG reductions.
Because blue water gas lacked illuminants, it would not burn with a luminous flame in a simple fishtail gas jet as existed prior to the invention of the Welsbach mantle in the 1890s.