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Mine fire gallery modelling


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Mine fire gallery modelling

  1. 1. Development of Mathematical Model and Simulation-software for prediction of Open Fire behaviour in U/G Mines S&T Project proposal on Rajesh P. Barnwal et. al.
  2. 2. Work done in this direction so far…
  3. 3. 1. Development of mathematical model for calculation of progress of fire <ul><li>An elementary level equation was developed and used to calculate the progress of fire in some ideal conditions. </li></ul><ul><li>Using the same equation, a computer simulation program was developed to predict how fire will progress in given conditions in a user defined gallery. </li></ul>
  4. 4. Snapshot of the simulation program
  5. 5. Program for simulation of progress of open fire in a computer modelled gallery
  6. 6. <ul><li>The worked out mathematical model is just an indicative and requires detailed work. </li></ul><ul><li>The results being shown are not conclusions. </li></ul><ul><li>A 3D simulation of the gallery in fire in place of the 2D simulation is proposed. </li></ul><ul><li>Attempts are in already progress for 3D visualisation of mine gallery. </li></ul>
  7. 7. 2. Design of a 3D Computer Model of Mine Fire Gallery <ul><li>Initially this module was developed for 3D modelling of the Mine Fire Model Gallery. </li></ul><ul><li>However the gallery dimensions are alterable and can be changed to give different looks. </li></ul><ul><li>The same 3D model may be extended to visualise the real happening in a coal mine with help of the mathematical model based upon equations. </li></ul>
  8. 8. Entry Point Front Door Front view of computer generated Mine Gallery
  9. 9. Coal zone X-cut # 1 Stoppings X-cut # 2 Open doors for modelling of open fire Isometric view of computer generated Mine Gallery
  10. 10. Rear Door Rolling shutter meant for air regulation Chimney Fan installation Rear view of computer generated Mine Gallery
  11. 11. Fan Installation opposite to the shutter Main Gallery Air flow Air flow Internal view (Fan Installation)
  12. 12. Front view (Half-open Door)
  13. 13. Internal view (First X-cut area)
  14. 14. First X-cut area stopping Internal view (First X-cut area)
  15. 15. Internal view (2nd X-cut area)
  16. 16. Rear View
  17. 17. Rear View
  18. 18. Top View
  19. 19. 3D Modeling Program for Mine Fire Model Gallery
  20. 20. 3. Data retrieval system and interface <ul><li>This module was developed for studying the recorded data of mine fire model gallery experiments. </li></ul><ul><li>The same module may be extended to represent the predicted data obtained from result of the mathematical modeling. </li></ul>
  21. 21. Data Retrieval Screen of Software
  22. 22. Data Retrieval System & Interface
  23. 23. Objectives <ul><li>Literature survey about the subject and recent development in the related area. </li></ul><ul><li>Identification of parameters responsible for change in behaviour of open fire in underground mines </li></ul><ul><li>Development of mathematical model for behaviour of open fire in underground mines using identified parameters. </li></ul><ul><li>Based on the developed model, prediction of coal combustion rate, progress of fire etc. </li></ul><ul><li>Development of software module for calculation and prediction of different parameters with time. </li></ul><ul><li>Development of software module for visualisation of fire status inside gallery at different locations at different time. </li></ul><ul><li>Validation of the mathematical model , testing of software and studies on its deviation from real condition </li></ul>
  24. 24. Application Area <ul><li>For simulation and modelling of mine fire in a user defined gallery and better understanding of fire dynamics and behaviour in tailor made situation. </li></ul><ul><li>To study the effectiveness of different fire suppression techniques under different geo-mining conditions. </li></ul><ul><li>To help mine management to interpret the phenomena occurring during the fire process and to make the proper decision in the course of rescue operations. </li></ul>
  25. 25. Expected Benefits of the Project <ul><li>Result in well-defined mathematical equations for prediction of behaviour of open fire in u/g mines </li></ul><ul><li>Development of a versatile software for simulation of different conditions of u/g mines and their impact on open u/g fire. </li></ul><ul><li>Simulation & preview of fire occurrence in user defined model of coal mine gallery using the developed software </li></ul><ul><li>Help in study of effects of individual parameters over the status of fire </li></ul><ul><li>Help in selection of fire control measure s on the basis of simulated data regarding fire for a particular gallery model </li></ul><ul><li>Opening of several new paths for researchers in area of u/g mine fire </li></ul>
  26. 26. Thank You