CONTRIBUTION TO CREATING A MATHEMATICAL MODEL OF UNDERGROUND COAL GASIFICATION PROCESS
作者: David Petrović Duško Đukanović Dragana Petrović Igor Svrkota
刊名: Thermal Science, 2019, Vol.23 (5 2019), pp.3275-3282
来源数据库: Society for Thermal Engineers of Serbia
DOI: https://doi.org/10.2298/TSCI180316155P
关键词: CoalUnderground coal gasificationModel
原始语种摘要: Underground coal gasification, as an auto thermal process, includes processes of degasification, pyrolysis, and the gasification itself. These processes occur as a result of a high temperature and the management of coal combustion during addition of gasification agent. Air, water vapor mixed with air, air or water vapor enriched with oxygen, or pure oxygen, may be used as gasification agents. Resulting gas that is extracted in this process may vary in chemical composition, so it is necessary to adjust it. That is the reason why it is necessary to develop a mathematical model of the underground gasification process prior to any operations in coal deposit, in order to obtain as much accurate prediction of the process as possible. Numerical calculation provides prediction of gas mixture’s...
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关键词翻译
关键词翻译
  • gasification 气化
  • necessary 必要的
  • chemical 化学的
  • oxygen 
  • underground 地下的
  • adjust 
  • contribution 贡献
  • criteria 准则
  • occur 产生
  • calculation 计算