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100 _a20220411a2022 k y0engy50 ba
101 0 _aeng
102 _aCH
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aSynchronized Two-Camera Laser Monitor for Studying Combusting Powder Systems
_fLin Li, F. A. Gubarev, A. V. Mostovshchikov
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 25 tit.]
330 _aIn this paper, we offer a laboratory facility for in situ visualization of the combustion of ultrafine metal powders, which combines laser initiation and simultaneous high-speed recording of images of the flame of a burning material and a surface covered by a flame. Visualization of the surface through the flame is realized using a laser monitor—an optical projection system with brightness amplification. The proposed imaging system makes it possible to get more detailed information about the combustion process, in particular, to study the change in the surface through the flame in the area of laser initiation, and the propagation of heating and combustion waves over the sample, as well as to study the change in the surface reflectance during combustion. To study the area of laser initiation, it is proposed to simultaneously record images of a laser monitor with two cameras. The symmetry of the combustion wave front propagation and the combustion products’ formation during laser initiation of the nanoAl + Fe3O4 thermite mixture was demonstrated. The nature of propagation in the form of a ring is a consequence of the symmetry of the properties of the system under study, at the micro and macro levels.
461 _tSymmetry
463 _tVol. 14, iss. 4
_v[656, 12 p.]
_d2022
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _ahigh-energy system
610 1 _aaluminum nano-powder
610 1 _athermite
610 1 _ahigh-temperature combustion
610 1 _aflame propagation
610 1 _asurface imaging
610 1 _ahigh-speed imaging
610 1 _abrightness amplifier
610 1 _aвысокоэнергетические системы
610 1 _aнанопорошки
610 1 _aтермиты
610 1 _aвысокотемпературное горение
610 1 _aпламя
610 1 _aвизуализация
700 0 _aLin Li
701 1 _aGubarev
_bF. A.
_cspecialist in the field of electronics
_cAssociate Professor of Tomsk Polytechnic University, Candidate of physical and mathematical sciences
_f1979-
_gFedor Aleksandrovich
_2stltpush
_3(RuTPU)RU\TPU\pers\31657
701 1 _aMostovshchikov
_bA. V.
_cChemist
_cSenior Researcher, Professor of Tomsk Polytechnic University, Doctor of Technical Sciences
_f1989-
_gAndrey Vladimirovich
_2stltpush
_3(RuTPU)RU\TPU\pers\31091
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИсследовательская школа химических и биомедицинских технологий
_c(2017- )
_h8120
_2stltpush
_3(RuTPU)RU\TPU\col\23537
801 2 _aRU
_b63413507
_c20220505
_gRCR
856 4 _uhttp://earchive.tpu.ru/handle/11683/70720
856 4 _uhttps://doi.org/10.3390/sym14040656
942 _cCF