Authors: Li, GG; Hardcastle, SG

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Li, GG & Hardcastle, SG 2014, 'Pathway mapping of airflow delivery to the production areas in underground mine ventilation systems', in M Hudyma & Y Potvin (eds), Proceedings of the Seventh International Conference on Deep and High Stress Mining, Australian Centre for Geomechanics, Perth, pp. 793-800.

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Abstract:
Pathway mapping is a new tool in the 3D-CANVENT ventilation software to track potential air pathways in complex mine ventilation systems and help in determining the pressure differences to deliver the required airflow to underground workplaces. After a ventilation model is established, a structure tree of the ventilation system can be formed from the branch series based on the ventilation parameters, locations of fans and regulators, and the airflow state as obtained from mine ventilation simulation. In order to find the unique pathway to each workplace, strict rules must be set to respect the structure tree and the priority of different fans in operation. The pathway tracking system provides a graphic interface with multi-functional tools and data sheets for generating and manipulating the structure tree and tracking the airflow pathways to different locations in the mine. It can be used in designing and managing the advanced mine ventilation systems, such as the ventilation on demand (VOD) systems, and to efficiently deliver the fresh air to the production areas in deep mines.

References:
Hardcastle, SG, Kocsis, C & O’Connor, D 2006, ‘Justifying ventilation-on-demand in a Canadian mine and the need for process based simulations’, Proceedings of the 11th U.S./North American Mine Ventilation Symposium 2006, in JM Mutmansky & RV Ramani (eds), Taylor and Francis Group, London, pp. 15-27.
Kocsis, C, Hardcastle, SG & Li, GG 2011, Ventilation-on-demand evaluation – Model development at Nickel Rim South Mine, Xstrata Nickel – CAF initiative, CANMET-MMSL Report 11-029(CR), Natural Resources Canada.
Li, GG, Kocsis, C & Hardcastle, SG 2009, ‘3D-CANVENT – an integrated computer package for simulating underground mine ventilation systems’, Proceedings of the 18th International Symposium on Mine Planning and Equipment Selection, in RK Singhal, A Mehrotra, K Fytas & H Ge (eds), The Reading Matrix Inc., Irvine, pp. 513-521.
McPherson, MJ 1993, Subsurface Ventilation and Environmental Engineering, Chapman and Hall, London.




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