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2010•Journal of Henan Polytechnic UniversityRequires access

Numerical simulation analysis and practice of air flow field in goaf based on FLUENT

Rongkun Pan

Open publisher page 1 citations

Abstract

By using hydromechanics numerical simulation software,flow field distribution of mined-out area is analysed,which is extremely convenient and effective to study of spontaneous combustion three zones in spatial distribution in goaf.By the numerical simulation model setting and ventilation parameters change,analysis of different air volume for the flow field is beneficial to goaf spontaneous combustion forcast.Based on the principle of the limit of air leakage,by using Fluent to do numerical simulation for Tangkou 1304 workface and studying the flow field distribution,the paper delimits the scope of the spontaneous combustion three zones,provides guidance to the mine fire preventioning and controlling,which is conducive to the safety of mine production and improving the overall security level.

About this research paper

What this paper is about

By using hydromechanics numerical simulation software,flow field distribution of mined-out area is analysed,which is extremely convenient and effective to study of spontaneous combustion three zones in spatial distribution in goaf.By the numerical simulation model setting and ventilation parameters change,analysis of different air volume for the flow field is beneficial to goaf spontaneous combustion forcast.Based on the principle of the limit of air leakage,by using Fluent to do numerical simulation for Tangkou 1304 workface and studying the flow field distribution,the paper delimits the scope of the spontaneous combustion three zones,provides guidance to the mine fire preventioning and controlling,which is conducive to the safety of mine production and improving the overall security level.

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Available abstract

By using hydromechanics numerical simulation software,flow field distribution of mined-out area is analysed,which is extremely convenient and effective to study of spontaneous combustion three zones in spatial distribution in goaf.By the numerical simulation model setting and ventilation parameters change,analysis of different air volume for the flow field is beneficial to goaf spontaneous combustion forcast.Based on the principle of the limit of air leakage,by using Fluent to do numerical simulation for Tangkou 1304 workface and studying the flow field distribution,the paper delimits the scope of the spontaneous combustion three zones,provides guidance to the mine fire preventioning and controlling,which is conducive to the safety of mine production and improving the overall security level.

Key concepts: Fluent, Computer simulation, Spontaneous combustion, Engineering, Ventilation (architecture), Airflow, Flow (mathematics), Combustion

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