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Provedor de dados:  BABT
País:  Brazil
Título:  Experimental Study on the Changing Rules of Coal Fire Indictor Gases of the Whole Combustion Phases in Confined Space
Autores:  Lei,Baiwei
Data:  2016-01-01
Ano:  2016
Palavras-chave:  Coal combustion
Indicator gases
Gas ratios
Trend analysis
Resumo:  ABSTRACT When the coal mine fire occurs, it is crucial to judge the fire combustion state by analyzing indicator gases concentration and changing trends of various gas ratios in order to formulate proper rescue measures. It's an effective methodology to estimate the changes of combustion state in coal mine fire accurately by the trends analysis of indicator gases and gas ratios independent of the external environment disturbs, such as air leakage and inner gases injection. However, there are few experimental researches about the changing rules of indicator gases and gas ratios at different combustion phases at present. Therefore, this paper has established a small-sized coal combustion experimental platform in confined space, on which the experimental studies on variation trends about indicator gases and gas ratios of the whole combustion phases are conducted. The experiment results have shown that the coal combustion trends could be accurately estimated by analyzing the relationship between indicator gases and gas ratios among different combustion phases. In the end of this paper, the conclusions are verified by a real coal mine fire disaster relief case, and the practical results are in agreement with the experimental analysis.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/1678-4324-2016160544
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.59 n.spe 2016
Direitos:  info:eu-repo/semantics/openAccess

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