FLAME SENSING WITH ULTRAVIOLET RADIATION DETECTORS.

被引：0
|
作者：
Ray, B.
机构：
来源：
Fire Prevention Science and Technology | 1977年 / 17期
关键词：
FIRE PROTECTION - Research - RADIATION DETECTORS - ULTRAVIOLET DETECTORS;
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学科分类号：
摘要：
An outline is given of the problems of flame detection generally and options that exist for detection of flame in the ultraviolet region of the radiation spectrum. The spectral emission curves of several flames in the uultraviolet are shown and comparisons are made with background radiations from the sun and from high temperature blackbodies. Four ultraviolet detectors are identified: silicon photodiodes, other semi-conducting photosensors, gas photoionisation devices, and photoemissive devices. The techniques used in an operational fire detection system to achieve warning to a specified flame signal to a 0. 995 level of confidence are discussed.
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页码：17 / 23
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