Applications of CFD Simulations for Mine Gas and Spontaneous Heatings Control in Underground Coal Mines
The effective management of longwall goaf gas emission，spontaneous heating and goalinertisation is paramount to the sustained productivity and safety of underground coal mines.Understanding of the airflow and gas characteristics helps the development of innovativestrategies for gas capture and the suppression of self-heating hazards behind the face.CSIROhas been engaged in the investigation of gas flow migration dynamics within longwall goaf areas with the objective of improving gas capture，minimising the risk of spontaneous combustion anddeveloping effective goaf inertisation strategies.Three dimensional Computational FluidDynamics(CFD)models have been developed to study the goaf gas dynamics under the influence ofvarious mining and geological parameters including ventilation layouts，face orientation and gas emission rates.The simulation results provide new insights into the fundamental process of gas flow motion taking place within the goaf as well as the subsequent impact of goaf gas drainage and inert gas injection for goal inertisation.In combination with field work，this approach not only helps the design of innovative gas management strategies but also the implementation ofoptimum goaf inertisation strategies for both seal-off and active longwall panels.
CFD simulation Longwall Mining Gas Emission Drainage Goaf Inertisation Spontaneous Combustion
Ting Ren Rao Balusu
CSIRO Exploration & Mining,PO Box 883,Kenmore,Queensland 4069 Australia
国内会议
安徽淮南
英文
100-114
2007-10-25（万方平台首次上网日期，不代表论文的发表时间）