Publicado 12 números por año
ISSN Imprimir: 1091-028X
ISSN En Línea: 1934-0508
Indexed in
EFFECTS OF POROSITY CHANGES ON THE SELF-HEATING CHARACTERISTICS OF COAL STOCKPILES
SINOPSIS
The oxidation process occurring in a coal stockpile is a serious economic and safety problem. In this research, heat and fluid flow within and around a heat generating porous material (coal stockpile) are numerically investigated by both a FORTRAN code and the commercially available software CFD-ACE for a self-heating medium. Transient variation of the maximum temperature inside the coal stockpile, as the main parameter to study self-heating and spontaneous self-ignition is monitored and a threshold is presented. It is shown that the maximum temperature inside the pile may reduce/increase depending on the stockpile average porosity and permeability.
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Hooman K., Sauret E., Dahari M., Theoretical modelling of momentum transfer function of bi-disperse porous media, Applied Thermal Engineering, 75, 2015. Crossref
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Li Shoujun, Ma Xiaoping, Yang Chunyu, Prediction of spontaneous combustion in the coal stockpile based on an improved metabolic grey model, Process Safety and Environmental Protection, 116, 2018. Crossref
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Wang Qiulin, Zhu Jialing, Li Tailu, Zhang Guowei, Evaluation of the Integrated Characteristics on Combustion and Drying Using Element Analysis, Energy & Fuels, 28, 7, 2014. Crossref