Improvement of optical systems for detection of smokes / V. F. Panin, A. G. Dashkovskiy (Dashkovskii)

Уровень набора: (RuTPU)RU\TPU\network\2008, IOP Conference Series: Materials Science and EngineeringОсновной Автор-лицо: Panin, V. F., Doctor of technical sciences, Professor of Tomsk Polytechnic University (TPU), 1940-, Vladimir FilippovichАльтернативный автор-лицо: Dashkovskiy (Dashkovskii), A. G., a specialist in the field of ecology and life safety, associate Professor of Tomsk Polytechnic University, candidate of technical Sciences, 1953-, Anatoliy GeorgievichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Институт неразрушающего контроля (ИНК), Кафедра экологии и безопасности жизнедеятельности (ЭБЖ)Язык: английский.Страна: .Резюме или реферат: The theory of electromagnetic radiation dispersion by polydisperse particles is analyzed. Methods of reliable optical indication of smokes to identify Fire Danger are considered. The conventional method of optical smoke detection implies measuring optical characteristics of the environment under control. After that the results obtained are converted into microphysical parameters which can be compared to the known microphysical properties of smokes. The calculated optical portrait of smokes is offered. The portrait of smokes is the field of representation points in coordinates of the degree of diffusion radiation polarization for two diffusion angles. Each of the spots indicates one of the numerous realizations of smokes. The direct match of the representation spots in the optical increases the probability of smoke A different way to protect optical system is to use the device with mutually orthogonal polarizers of the light source and detector. If hindrance is nonspherical aerosol, the signal from the device is used to correct the signals from smoke detectors..Примечания о наличии в документе библиографии/указателя: [References: 17 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | оптические системы | дым | пожарная опасность | электромагнитные излучения Ресурсы он-лайн:Щелкните здесь для доступа в онлайн | Щелкните здесь для доступа в онлайн
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[References: 17 tit.]

The theory of electromagnetic radiation dispersion by polydisperse particles is analyzed. Methods of reliable optical indication of smokes to identify Fire Danger are considered. The conventional method of optical smoke detection implies measuring optical characteristics of the environment under control. After that the results obtained are converted into microphysical parameters which can be compared to the known microphysical properties of smokes. The calculated optical portrait of smokes is offered. The portrait of smokes is the field of representation points in coordinates of the degree of diffusion radiation polarization for two diffusion angles. Each of the spots indicates one of the numerous realizations of smokes. The direct match of the representation spots in the optical increases the probability of smoke A different way to protect optical system is to use the device with mutually orthogonal polarizers of the light source and detector. If hindrance is nonspherical aerosol, the signal from the device is used to correct the signals from smoke detectors.

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