Advanced Software for Mine Ventilation Networks Solving

Abstract

Worldwide, consumption of raw materials and especially coal is increasing. For underground coal mining there are necessary mine networks reaching higher and higher depths. Associated to mine networks, mine ventilation networks exist having vital role in ensuring optimal microclimate conditions. Presently, every field of industry is using the computers at every production stage. Mining or mineral industry is not an exception. Today, due the great extent of the underground networks and the amount of data involved, we are using computers in solving problems of planning and design, engineering and control of mine atmospheric environment. The solving of a complex ventilation network of a mine cannot be done manually, and usage of a specialized software and advanced IT equipment is a must. One of the most advanced specialized software is VENTSIM Visual Advanced, developed in Australia. The software has been used by the authors for modeling and solving of two complex ventilation networks related to Lupeni and Uricani Mines. The concrete result consists in the accurate solving of natural repartition of the air flows at the branch level, based on automatic calculation of their lengths. Another important advantage offered by the application consists in 3-D solid visualization, allowing user to obtain any technical detail, from any angle.

Study on fire smoke flow characteristics in the ventilation network and linkage control system in coal mines

“…It can provide three-dimensional ventilation design, ventilation network calculation, fan selection and dynamic simulation of a ventilation process. Advanced functions include thermal simulations and pollutant diffusion simulations, [21][22][23] dynamic simulations of air flow and colouring of various flows. It is very convenient to set up the models for air flow, pressure, ventilation costs and other major data related to ventilation.…”

Consequence modelling of a truck explosion

“…Major accidents can be defined as hazardous emissions, fires or explosions which are generated by uncontrolled situations in any process or establishment and which can lead to serious danger for humans or the environment, involving hazardous substances [16][17][18][19]. Therefore, major accidents can be related accompanied by one or more phenomena, as follows: thermal radiation, pressure wave and projection of fragments, toxic materials releases.…”

Modelling the occupational exposure of workers to certain hazardous chemicals

“…In Romania, Law 59 dated April 2016 on controlling the hazard of major accidents caused by hazardous substances evaluates "hazardous chemicals", describing the risk for people and regulating concentrations of such substances [4,5]. In order to be prepared for possible accidents, it is a common practice nowadays to develop computational analyses regarding the potential damage extent in case of accidents [6][7][8][9][10].…”