 Fire risk prevention in underground coal gasification (UCG) within active mines: Temperature forecast by means of MARS modelsAlicja Krzemień Energy, 2019, vol. 170, issue C, 777-790 Abstract: This paper focuses on fire prevention in UCG processes within active mines by means of temperature forecasting by a multivariate adaptive regression splines (MARS) approach. The main aim was to develop a model to forecast the temperature of the syngas with one hour of anticipation based on information from different parameters measured every hour (snapshots) during the experiment. As the response time of the syngas temperature to modifications in the composition/amounts of the gasifying agent is very short, this will reduce the temperature if necessary while keeping it as high as possible within the safety parameters, as UCG is a strongly exothermic process. The same model can be used to prevent undesired drops in the temperature of the syngas, as low temperatures could increase the precipitation of contaminants, causing a slowdown in the syngas flow and thus decreasing its calorific value. Keywords: Underground coal gasification (UCG); Fire risk prevention; Gasifying agents; Temperature forecasting; Multivariate adaptive regression splines (MARS) (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:170:y:2019:i:c:p:777-790 DOI: 10.1016/j.energy.2018.12.179 Access Statistics for this article Energy is currently edited by Henrik Lund and Mark J. Kaiser More articles in Energy from Elsevier |
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