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연료와 산화제가 환상으로 공급될 때의 확산화염

The Diffusion Flame from the Annular Arrangements of Fuel and Oxidizer

HWAHAK KONGHAK, December 1975, 13(6), 333-338(6), NONE
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Abstract

환상으로 연료와 산화제가 공급될 때의 화염모양을 Shvab-Zeldovich 이론을 적용하여 구했다. 화염은 연료의 양에 대한 산화제의 양의 비를 나타내는 ω 값에 따라 산화제쪽에 생길수도 있고 연료쪽에 생길수도 있다. 구간에 따라 ω 값을 변화시키든지 또는 ω 값을 고정시키고 구간의 폭을 조절함으로써 화염의 높이를 균일하게 할 수 있다. 이 결과는 버너의 설계나 특히 우리 나라 가정에서 널리 사용되고 있는 연탄의 이상적인 헝태결정에도 이용될 수 있다.
The flame at the mouth of the annular tubes through which oxidizer and fuel are supplied is obtained by applying the Shvab-Zeldovich theory. The results reveal that the flame can occur either at oxidizer side or at fuel side. It depends on the parameter ω which is proportional to the ratio of the amount of oxidizer to that of fuel. The result also indicates that the uniform flame height can be obtained either by varying the parameter ω or by adjusting the spacing between the annular tubes. The present result can be applied for a burner design or especially for the determination of the economic structure of the holed briquet in domestic use.

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