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Teplofizika vysokikh temperatur, 2007, Volume 45, Issue 5, Pages 733–740 (Mi tvt1185)  

This article is cited in 12 scientific papers (total in 12 papers)

Heat and Mass Transfer and Physical Gasdynamics

The shock-wave mechanism of spontaneous ignition of hydrogen under conditions of sudden efflux from reservoir at high pressure

T. V. Bazhenova, M. V. Bragin, V. V. Golub, M. F. Ivanov

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
Abstract: Analysis is made of the conditions of spontaneous ignition of hydrogen as a result of emergence of a starting shock wave in air before an expanding cold flow of gas. The rise of temperature behind the shock wave causes ignition of the mixture of combustible gas with air, which forms on the contact surface. The condition for spontaneous ignition is the sufficient time of residence of mixture at high temperature for mixing and ignition. The calculations of spontaneous ignition of hydrogen jet are based on a model which takes into account the gasdynamic transport of viscous gas, the kinetics of oxidation of hydrogen, multicomponent diffusion, and thermal conductivity. The range of pressures is determined in a reservoir, during whose depressurization the shock wave forming in air exhibits intensity sufficient for igniting the hydrogen-air mixture behind the front of propagating jet of compressed hydrogen. Results of analysis are given of the dependence of conditions of ignition on the pressure of hydrogen in the reservoir, on the size of the outlet opening, and on the initial temperature of hydrogen and air.
Received: 06.06.2006
English version:
High Temperature, 2007, Volume 45, Issue 5, Pages 665–672
DOI: https://doi.org/10.1134/S0018151X07050148
Bibliographic databases:
Document Type: Article
UDC: 533.6.011
PACS: 82.40. Fp
Language: Russian
Citation: T. V. Bazhenova, M. V. Bragin, V. V. Golub, M. F. Ivanov, “The shock-wave mechanism of spontaneous ignition of hydrogen under conditions of sudden efflux from reservoir at high pressure”, TVT, 45:5 (2007), 733–740; High Temperature, 45:5 (2007), 665–672
Citation in format AMSBIB
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\by T.~V.~Bazhenova, M.~V.~Bragin, V.~V.~Golub, M.~F.~Ivanov
\paper The shock-wave mechanism of spontaneous ignition of hydrogen under conditions of sudden efflux from reservoir at high pressure
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\yr 2007
\vol 45
\issue 5
\pages 733--740
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\elib{https://elibrary.ru/item.asp?id=9534817}
\transl
\jour High Temperature
\yr 2007
\vol 45
\issue 5
\pages 665--672
\crossref{https://doi.org/10.1134/S0018151X07050148}
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  • This publication is cited in the following 12 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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