An experimental study for characterization the process of coal oxidation and spontaneous combustion by electromagnetic radiation technique

B Kong, Z Li, E Wang, W Lu, L Chen, G Qi - Process Safety and …, 2018 - Elsevier
Coal spontaneous combustion results from a complex reaction between coal and oxygen.
Previous studies on coal oxidation spontaneous combustion process provided guidance for …

Analysis of drought and flood alternation and its driving factors in the Yangtze River Basin under climate change

P Yang, S Zhang, J Xia, C Zhan, W Cai, W Wang… - Atmospheric …, 2022 - Elsevier
The spatial and temporal characteristics of global precipitation have changed significantly
under climate change, increasing the difficulty of solving water security problems. Therefore …

The impact of the ventilation system on the methane release hazard and spontaneous combustion of coal in the area of exploitation—a case study

M Tutak, J Brodny, D Szurgacz, L Sobik, S Zhironkin - Energies, 2020 - mdpi.com
Various types of natural hazards are inextricably linked to the process of underground hard
coal mining. Ventilation hazards—methane and spontaneous combustion of coal—are the …

Drought-flood abrupt alternation dynamics and their potential driving forces in a changing environment

W Shi, S Huang, D Liu, Q Huang, Z Han, G Leng… - Journal of …, 2021 - Elsevier
Compared with a single drought or flood, drought-flood abrupt alternation (DFAA) may have
more adverse impact on water resources management, crop production, and food security …

Study on the generation of active sites during low-temperature pyrolysis of coal and its influence on coal spontaneous combustion

J Li, Z Li, Y Yang, X Zhang - Fuel, 2019 - Elsevier
The coal after low-temperature pyrolysis is more prone to self-heating and spontaneous
combustion. To study the original heat source, this paper conducted sequentially isothermal …

Analysis of the wetting and exothermic properties of preoxidized coal and the microscopic mechanism

R Pan, D Hu, X Han, J Chao, H Jia - Energy, 2023 - Elsevier
In the processes of coal mining and transportation, low-temperature oxidation occurs
continuously, and it is accompanied by multiple wetting. The effect of water on coal …

The characterization of free radical reaction in coal low-temperature oxidation with different oxygen concentration

B Zhou, S Yang, C Wang, X Hu, W Song, J Cai, Q Xu… - Fuel, 2020 - Elsevier
To explore the mechanism of low-temperature oxidation of residual coal at different depths
in goaf, the oxygen concentration of airflow was dynamically adjusted to simulate the natural …

Study on the oxidation thermal kinetics of the spontaneous combustion characteristics of water-immersed coal

P Li, Y Yang, J Li, G Miao, K Zheng, Y Wang - Thermochimica Acta, 2021 - Elsevier
Water-immersed coal is more likely to spontaneously combust than raw coal. To investigate
their differences from the perspective of thermal kinetics, thermogravimetric experiments …

Study on the feature of electromagnetic radiation under coal oxidation and temperature rise based on multifractal theory

B Kong, E Wang, Z Li, WEI Lu - Fractals, 2019 - World Scientific
During coal oxidation and temperature rise, a significantly large amount of electromagnetic
radiation (EMR) signals are generated as a result of thermal deformation and thermal …

Simulation of the hazard arising from the coupling of gas explosions and spontaneously combustible coal due to the gas drainage of a gob

C Wang, S Yang, X Li - Process Safety and Environmental Protection, 2018 - Elsevier
The spontaneous combustion of residual coal and potentially subsequent gas explosions
that occur during gas drainage of the gob were investigated. The 1262 fully-mechanized …