Детальная информация

Bolodyan, I. A. Combustion and Extinguishing of Structural Polymeric Materials in Microgravity [Электронный ресурс] / I. A. Bolodyan, A. S. Melikhov, L. T. Tanklevskiy. — Электрон. текстовые дан. (1 файл : 3,34 Мб) // Proceedings of the Ninth International Seminar on Fire and Explosion Hazards [Электронный ресурс]. Vol. 1: 21-26 April 2019, Saint Petersburg, Russia / Peter the Great St. Petersburg Polytechnic University, Autonomous Non-Profit Organization "Fire and Explosion Safety", Gefest Holding Ltd ; [edited by A. Snegirev [et al.]. – Saint Petersburg, 2019. — Загл. с титул. экрана. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/k19-3.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/k19-3>.

Дата создания записи: 03.06.2019

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Аннотация

Fire nowadays is one of the most dangerous factors during the flight of a manned spacecraft. In this connection there is a lot of research on combustion considering the influence of space flight factors. Specific attention is paid to research of combustion processes under microgravity. In recent years this research avenue expands more and more in countries developing manned space flights. The research on fire safety provision in inhabited pressurized compartments of manned spacecraft is particularly important both in creating fire-safety structures and in developing extinguishment systems. The second direction is research on the physical phenomena specific to combustion in microgravity. It is established, that the rates of diffusion of critical species basically define the rate of combustion of solid materials in microgravity conditions. There is no natural-convective movement of gases in microgravity conditions, which makes the flame spread hard to predict. Therefore, an important result of the research has been a calculation of such parameters, which are then used to establish the accuracy of numerical models of combustion, designed under controlled conditions with the interaction of forced gas motion in the oxidizing environment with the combustion zone. The present article contains the analysis of experimental studies on combustion in microgravity and the corresponding technical solutions applied in the spacecraft design. Research results on combustion in microgravity obtained by Russian scientists made it possible to develop new technologies to provide fire safety in inhabited pressurized compartments of manned spacecraft.

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