Papers

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An abstract shall not exceed 200 words in length.

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NAMVS 2021 Papers

  1. Transient-flow modelling of DPM dispersion in unventilated dead-end crosscuts and control strategy using curtain
    Ramakrishna Morla, Shivakumar Karekal, Ajith Godbole
  2. Goaf gas distribution profiles near the longwall tailgate area
    Rao Balusu, Bharath Belle, Krishna Tanguturi
  3. Investigation of explosion hazard in longwall coal mines by combining CFD modeling with 1/40th scaled physical modeling
    Aditya Juganda, Hamilton Pinheiro, Finnegan Wilson, Nathan Sandoval, Gregory Bogin, Jürgen Brune
  4. Case Study: The Utilisation of Current Ventilation Resources to Manage Material Handling Heat Post Construction.
    Murray Jamieson
  5. Challenges and Solutions in the Development of the VentFire Mine Network Fire Simulator
    Craig Stewart
  6. Incorporating Ventilation and Heat in an Underground Mine Production Scheduling Model
    Eric Smoorenburg, Alexandra Newman, Gregory Bogin, Oluwaseun Ogunmodede, S. Nichols
  7. Automatic Ventilation Model Calibration from Limited Survey Data
    Martin Griffith, Craig Stewart
  8. Review on Development Technologies and Research Status of Coalbed Methane Industry in China
    Yang Ming, Liu Lei, Jianliang Gao, Jiajia Liu
  9. The design of the calibration method for low-cost particulate matter sensors for coal dust measurement
    Nana Amoako Amoah, Guang Xu
  10. Performance and Percolation Mechanism of New Inorganic Retarding Sealing Material for Gas Drainage Boreholes
    Jianwei Cheng, Gang Zhao, Yu Wang, Zui Wang, Wanting Song
  11. Stress State and Stability of Coal Mine Seal under Explosion Loading
    Gang Zhao, Jianwei Cheng
  12. Water Spray Suppression of Leaked Oil Fires: A Numerical Study
    Wei Tang, Liming Yuan, Davood Bahrami, James Rowlad
  13. Development of Energy Efficient and Sustainable Cooling Strategies for Hot Underground Mines
    Jon Fox, Charles Kocsis
  14. Comparison of Air Velocity Measurement Techniques
    Keith Wallace
  15. Optimizing Ventilation Design Through Discrete Event Equipment Simulation
    Keith Wallace, Pierre Labrecqe
  16. Improving Health and Safety in Artisanal and Small-scale Mining in Africa – A Case Study Liberia
    Safiatu Barrie
  17. Improving calibration of a mine ventilation network using continuous airflow monitoring
    Lihong Zhou, Richard Thomas, Liming Yuan, Davood Bahrami
  18. Application of Machine Learning to Determine Underground Hazard Location
    Davood Bahrami, Lihong Zhou, Yuting Xue, Liming Yuan
  19. Activity-based respirable dust prediction in underground mines using artificial neural network
    Richard Amoako, Andrea Brickey
  20. Estimating diesel particulate matter using a predictive technique for use in underground production scheduling
    Judith Buaba, Andrea Brickey
  21. Ventilation Tradeoff Study Considering Switch to Battery Electric Vehicles
    Nathan Wineinger
  22. Diesel aerosols in an underground coal mine
    Aleksandar Bugarski, S. Vanderslice, J.A. Hummer, T.L. Barone, S.E. Mischler, S. Peters, S. Cochrane, & J. Winkler
  23. Paper Preliminary field study to evaluate two thermal correction methods for removing VOC interference from DPM sample analysis
    Paige Guse, Emily Sarver
  24. Respirable dust characterization using SEM-EDX and FT-IR: A case study in an Appalachian coal mine
    Jonathan Gonzalez, Lizeth Jaramillo, Nishan Pokhrel, Cigdem Keles, Emily Sarver
  25. Characterization of respirable dust samples generated from picks at differing stages of wear
    Syd Slouka, Jurgen Brune, Jamal Rostami
  26. Evolution of Henderson Mine Ventilation System
    Kgosietsile Kolobe, Calvin Rutter, Neil Shea
  27. A Simple Electro-Mechanical Controllable Pitch Fan
    Jordan McBain
  28. Experiences in the Control of the Piston Effect in “El Porvenir” Mining Unit
    Daniel Naupari, Jorge Godos
  29. A Comprehensive Roof Bolter Drilling Control Algorithm for Enhancing Energy Efficiency and Reducing Respirable Dust
    Hua Jiang, Yi Luo
  30. An analysis of coal mine lung diseases in the US coal mines
    Pedram Roghanchi, Elham Rahimi, Younes Shekarian
  31. Considerations of the overall impact on costs in the Battery Electric versus Diesel-powered equipment selection and trade-off
    Ian Loomis
  32. Evaluation of Methodology for Real Time Monitoring of Diesel Particulate Matter in Underground Mines
    Arash Habibi, Aleksandar Bugarski, Dave Loring, Anna Cable, Logan Ingalls, C. Rutter
  33. Procedures for Mitigating Safety Risks Associated with Post-Blast Re-Entry Times
    Euler De Souza
  34. Different inner shapes of drill shroud on dust control for surface mine drilling operation
    David Zheng, Randy Reed, Drew Potts
  35. Evaluation of Ventilation Management Strategies as a Means to Control DPM exposure to Underground Mineworkers
    Sikandar Azam, Sekhar Bhattacharyya
  36. Mine Ventilation – Studies and Environmental Interventions for Artisanal and Small-Scale Mining (ASM) in the Arequipa Region, Perú.
    Kirk McDaniel, Jurgen Brune, L. J. Zamalloa
  37. AMS-based Accident Alarm System: A Field Case Study and CFD Validations
    Long Fan, Shimin Liu, Nathan Gendrue, L. Ang
  38. Development of a real time respirable coal dust and silica dust monitoring instrument based on photoacoustic spectroscopy.
    Karoly (Charles) Kocsis, Patrick Arnott, P. Nascimento, S.J. Taylor, X.L Wang, & H. Firouzkouhi
  39. Evaluating the effects of coal seam height and mine size on coal workers’ pneumoconiosis prevalence in the US underground coal mines, 1986-2018
    Pedram Roghanchi, Younes Shekarian, Elham Rahimi, Naser Shekarian
  40. Development of non-regulatory runtime respirable coal and silica dust monitor
    Charles Herb, Ruwini Rajapaksha, John Roberts, Patrick Hemp, Xavier Moya, L. Uecker, T. Rawson, P. Roghanchi
  41. Anti-caking Treated Rock Dust and its Effect on Downwind Respirable Dust Measurements
    Marcia Harris, Scott Klima, Connor Brown, Inoka Perera, Addis James, Linda Chasko, Myers Jarod
  42. Numerical Modeling of Longwall-induced Permeability under shallow cover
    Kayode Ajayi, Zoheir Khademian, Steven Schatzel, Eric Watkins, Vasu Gangrade
  43. Optimizing Vertically-Mounted Jet Fans in Ventilation Shafts for a Rail Overbuild
    Richard Ray, Ethan Fuster, Stephen Lee
  44. Field Survey of Mine Ventilation System for Large Opening Underground Mines: Pressure, Relative Humidity and Temperature
    Nathan Gendrue, Shimin Liu, Sekhar Bhattacharyya, Cheryl Spellman
  45. Auxiliary fan selection considering purchasing and energy costs based on fan curves
    Juan Pablo Hurtado, Enrique Acuna, Michelle Levesque
  46. Time series considerations of atmospheric monitoring data in underground coal mines
    Juan Carlos Diaz Martinez, Steve Schafrik, Dionisis Hristopulos, Zach Agioutantis
  47. Respirable Coal Mine Dust (RCMD) Research: Characterization, deposition, monitoring, and mitigation of RCMD
    Pedram Roghanchi, Mohammad Rezaee, Karoly Kocsis, Y. Shekarian, E. Rahimi
  48. DESIGN OF MINE BULK AIR COOLING SYSTEMS: NUMERICAL, EMPIRICAL AND EXPERIMENTAL VALIDATION
    Ali Kuyuk, Seyed Ali Ghoreishi-Madiseh, Agus Pulung Sasmito
  49. Underground Hard-Rock Mine Ventilation Considerations for Battery Electric Mobile Equipment
    Negar Saeidi, Cheryl Allen
  50. Jacket Water Heat Recovery for Application in Mine Ventilation: A Numerical Study
    Seyed Ali Ghoreishi-Madiseh, Hosein Kalantari, Durjoy Baidya, Agus P. Sasmito
  51. Comparison of silica and kaolinite mass content in respirable coal mine dust samples estimated using FT-IR and SEM-EDX
    Nishan Pokhrel, Cigdem Keles, Setareh Afrouz, Emily A. Sarver, Eleftheria Agioutanti
  52. Ultra fine dusts - BEV fleets and the challenges for ventilation planning
    Alexander Hutwalker, Oliver Langefeld, Jens Kegenhoff
  53. Enhancing of Mine Ventilation Training by Using VentSim-Software and Intensive E-Learning
    Thorben Bergmann, Alexander Hutwalker, Angela Binder, Oliver Langefeld, Florian Michelin
  54. Spray freezing for mine heating – A statistical perspective
    Saad Akhtar, Minghan Xu, Agus Sasmito
  55. Scale Model Investigation of Ventilation Parameters in a Block Cave Mine
    Ankit Jha, Yong Pan, Purushotham Tukkaraja, Srivatsan Jayaraman Sridharan
  56. Calibration of LKAB’s Konsuln Test Mine ventilation model using barometer Pressure-Quantity (PQ) Survey – A case study
    Adrianus Halim, Seth Gyamfi, Anu Martikainen
  57. Field measurements of particulate mass concentration for proposing Diesel Particulate Matter (DPM) control strategies at Kazakhstani metal mines
    Sergei Sabanov, Jürgen Brune, Mehdi Torkmahalleh, Aibyn Zeinulla
  58. Design and characterization of canopy air curtain for protecting against diesel particulate matter exposures in underground mines
    Randy Reed, Jim Noll, Drew Potts, Michael Shahan
  59. Scaling and flow similarity considerations to develop a 1/40th scaled aerodynamic model of a longwall coal mine for methane hazards investigation
    Hamilton Pinheiro, Aditya Juganda, Nathan Sandoval, Finnegan Wilson, Gregory Bogin, K. Gallagher
  60. An innovative methodology for the assessment and maintenance of e-learning courses using the Community of Inquiry model
    Daniel Stinnette, Kray Luxbacher
  61. A Novel Algorithm for Auxiliary Ventilation Planning from Mine Scheduler Output
    John Bowling
  62. Integration of conjugate porous media model into mine ventilation network software
    Leyla Amiri, Ferri Hassani, Agus Sasmito
  63. Airflow Characteristic Curves for a Mature Block Cave Mine
    Rahul Bhargava, Akash Adhikari, Purushotham Tukkaraja, K. Katzenstein, Sunil Vytla, Srivatsan Jayaraman Sridharan
  64. Ventilation Engineering Design Principles
    Cecil Rawlins

    Auxiliary Ventilation

    1. An Investigation of Booster Fan Placements in a Large Opening Underground Stone mine Utilizing CFD
      N. Gendrue, S. Liu, S. Bhattacharyya
    2. Quantifying assemblage losses in auxiliary ventilation systems
      E. De Souza


    Case Studies of Mine Ventilation

    1. Kucing-Liar (KL) Mine LOM Preliminary Ventilation Design - PT Freeport Indonesia
      A. Habibi, I. Setiawan, R. Prasojo, C. Stewart
    2. A Case Study in Successful Use of Spot Cooling for Underground Shaft Sinking
      M. Brown, D. Durieux, C. McGuire, D. Witow


    Computational Fluid Dynamics Applications in Mine Ventilation

    1. CFD Study of Cavern Ventilation
      M.A. Carvajal-Meza, J. P. Hurtado Cruz
    2. Model Order Reduction of High-Fidelity Underground Mine Model
      M. Vaze, J. Nyqvist, S. Dasgupta
    3. Minimizing the aerodynamic impact of a new cooling plant installed upstream of an existing surface fan and heater arrangement through CFD analyses
      J. K. Shaw, L. K. Falk, M. Kaufman, C. Allen
    4. CFD Modeling of a Large-Opening Stone Mine using COMSOL Multiphysics
      K. V. Raj, V. Gangrade
    5. An investigation of shock loss factors at ventilation raise junctions in underground hard rock mines using computational fluid dynamics
      H. Zhang, L. Falk, C. Allen


    Diesel Particulate Control

    1. Comparing Diesel and GDiesel® Exhaust Exposures in an Underground Mining Laboratory
      R. Reed, J. Burgess, E. Lutz
    2. Improvement of size-selective sampling of diesel aerosols in underground mines
      A. D. Bugarski, T. L. Barone, J. A. Hummer, T. Lee, S. Vanderslice, S. Friend
    3. Results of diesel exhaust nanoparticle experimental sampling in a cabin of LHD loader operating in an active ore heading area
      S. Sabanov, M. Torkmahalleh, N. Magauiya, A. Zeinalla, A. Abil, A. Qureshi, G. Nurshaiykova, D.Rakhimov
    4. Importance of using real-time and microscopic analysis techniques to characterize DPM in underground mines
      A. Habibi, K. O. Homan, A.D. Bugarski
    5. Development and Evaluation of Innovative Diesel Particulate Filter Technology
      J. Stachulak, B. Rubeli, D. Young, K. Watson, B. McLean
    6. DPM Reduction through Emission Assisted Maintenance - PT Freeport Indonesia Program Update 
      A. Habibi, E. Pinto, M. Mardon, K. Wijayanto, C. Rose


    Electric Machinery in Mine Ventilation

    1. Underground Mine Ventilation Design: Diesel vs Electrical Equipment
      C. A. Rawlins


    Mine Cooling and Refrigeration

    1. Selection, Design Challenges and Construction of Vale's Coleman Mine 10 MW Surface Refrigeration Plant
      S. Hardcastle, J. Shaw, C. Allen
    2. Mine Refrigeration Using Geothermal Energy -Is This a Viable Decarbonization Strategy?
      D. W. Durieux
    3. Onaping Depth Project Underground Refrigeration Plant Update
      D. Durieux, C. McGuire, T. Mehedi, D. Witow, E. Pilkington
    4. A direct equation for sigma heat and wet-bulb temperature for underground ventilation applications
      A. Pandey, S. Jayaraman Sridharan, B. S. Sastry
    5. Case study: refrigeration requirements during mineshaft excavation as a function of heat stress index
      K. Tom
    6. Development of energy efficient and sustainable cooling strategies for hot underground mines
      J. Fox


    Mine Dust Monitoring and Control

    1. Effect of auxiliary scrubbers on respirable coal mine dust particle size and composition
      F. Animah, A. Greth, C. Keles, E. Sarver
    2. Recovery of Respirable Dust from Fibrous Filters for Particle Analysis by Scanning Electron Microscopy
      A. Greth, S. Afrouz, F. Animah, C. Keles, E. Sarver
    3. Effects of vertical air-blocking ring of drill shroud on dust control for surface mine drilling operation using CFD
      Y. Zheng, D. Potts, W. Reed
    4. Investigation on the effect of water pressure on spray performance for removal of respirable dust
      H. Jiang, S. Klima, T. Beck, Y. Zheng
    5. Real-Time Measurements of Respirable Crystalline Silica, Kaolinite, Coal, and Calcite
      W. Arnott, C. Kocsis, X. Wang, B. Osho, P. Nascimento, S. Taylor, B. Bingham, C. Murphy, M. Sandink
    6. Comparing respirable dust characteristics from full scale cutting tests of three rock samples with conical picks at three stages of wear
      S. Slouka, E. Sidrow, C. Tsai, J. Brune
    7. Accuracy of low-cost particulate matter sensor in measuring coal mine dust- a wind tunnel evaluation
      M. M. Zaid, G. Xu, N. Amoah
    8. Parametric Studies to Maximize the Dust Protection Performance of the Two-level Manifold Canopy Air Curtain and Computational Fluid Dynamics Modeling
      N. Amoah, A. Kumar, G. Xu
    9. Respirable coal mine dust research: Characterization and toxicity analysis based on dust sources
      V.P. Salinas, M. C. Das, G. Rubasinghege, P. Roghanchi, K. Zychowski
    10. Comparison of Respirable Coal and Silica Dust Monitoring Systems for Underground Mining Applications
      A. Medina, A. Vanegas, E. Madureira, P. Roghanchi, R. Rajapaksha, L. Uecker, T. Rawson, C. Harb
    11. Evaluation of different surfactants' performance in varying coal dust concentration through logistic regression analysis
      Z. Zhao, P. Chang, A. Ghosh, Y. Liu
    12. Process Ventilation Solutions for Mitigation of Combustible and Non-Combustible Dust Hazards at Mining Operations
      J. Finn
    13. Development of VR-CFD based training tool for dust control in gateroad development
      M. Qiao, T. Ren, J. Roberts, J. Hines, C. Chow, A. Clayton


    Mine Fans

    1. Stall impact on axial fans - Testing of anti-stall rings
      J. Fernandez
    2. Practical values for the evaluation of fan system efficiencies
      J. Bowling, G. Schult, J. Diest


    Mine Fires and Explosion Prevention

    1. Longwall Maingate and tailgate Proactive Sponcom and Gas Management Strategy- An Operational Safety Share on Risk Management
      B. Belle, R. Balusu
    2. Real-Time Methane Prediction with Small Dataset in Underground Longwall Coal Mining Using AI
      D. C. Demirkan, S. Duzgun, A. Juganda, J. Brune, G. Bogin
    3. Evaluation of different suppression techniques for lithium-ion battery fires
      L. Yuan, W. Tang, R. Thomas, J. Soles
    4. Characterization and preliminary assessment of diesel fire prior to setting up large size battery fire experiment
      R. I. Pushparaj, G. Xu, A. Iqbal, S. Oluwafemi
    5. Fire-induced temperature attenuation under the influence of a single ceiling smoke extraction point in a bifurcated drift
      S. Oluwafemi, G. Xu, A. Kumar, R. I. Pushparaj, A. Iqbal
    6. Application of Pressure Balancing Techniques at the West Elk Coal Mine
      C. Kocsis, F. Calizaya, J. Johnson, T. Dias, N. Nunes, E. Lindgren, G. Atchley, J. Poulos


    Mine Gases

    1. Underground coal mine methane gas forecasting using multivariate time series with one and two auxiliary variables
      J. C. Diaz, Z. Agioutantis, S. Schafrik, D. T. Hristopulos
    2. Complete Degasification of Longwall panels in US Coal Mines
      P. C. Thakur
    3. Study of in-situ coal seam gas content for Australian coal and gas outburst management: a field data analysis and laboratory experiment
      Z. Li, T. Ren, M. Qiao, D. Black, J. Juric
    4. Airflow patterns and blast fume dispersion in different mining methods
      S. Sridharan, A. Adhikari, P. Tukkaraja, J. Connot


    Mine Heat

    1. Findings and Learnings from Thermal Parameter Studies at four LKAB Sites
      F. K. R. Klose, A. L. Martikainen, T. H. Jones
    2. Scenario-driven evaluation of heat sources in underground production scheduling
      J.A. Buaba, E. Udofia, A. Newman, A. J. Brickey


    Mine Ventilation and Automation

    1. Permeability Determination for Potential Interaction between Shale Gas Wells and the Coal Mine Environment due to Longwall-induced Deformations Under Deep Cover
      M. L. Harris, S. Schatzel, K. Ajayi, M. Van Dyke, P. Zhang, V. Gangrade, J. Addis, H. Dougherty, E. Watkins
    2. Analysis of Variation in Longwall-Induced Permeability under Different Mining Depths
      K. M. Ajayi, Z. Khademian, S. J. Schatzel, M. L. Harris, J. D. Addis
    3. New Applications of Jet Fans in Underground Mines for Haulage Ramps and Block Cave Ventilation Control
      C. Stewart


    Occupational Health and Safety in Mine Ventilation

    1. Ventilation research findings for enhanced worker safety when mining near unconventional gas wells in longwall abutment pillars
      S. Schatzel, K. Ajayi, Z. Khademian, R. Kimutis, H. Dougherty, M. Harris, M. Van Dyke, J. Addis, E. Watkins
    2. Optimization for fire evacuation applying Maximum Flow Cost algorithm to improve the time- response in underground coal mines
      S. Lotero, H. Khaniani, V. Androulakis, M. Hassanalian, S. Shao, P. Roghanchi
    3. Heat Mitigation for Underground Coal Mine Refuge Alternatives
      D. S. Yantek, L. Yan
    4. Occupancy Derating for Underground Coal Mine Refuge Alternatives
      D. S. Yantek, L. Yan
    5. Renewable/Alternative Energy in Mine Ventilation Incorporating droplet dynamics to improve the reduced-order model of spray freezing for mine heating applications
      M. Mohit, S. Akhtar, M. Xu, A. P. Sasmito
    6. Analysis of Small-Scale LIB under thermal abuse
      A.Iqbal, G. Xu, R. I. Pushparaj, O. Salami


    Ventilation Monitoring and Measurement

    1. Gauge and Tube Surveys: What is their future and that of underground measurements generally as mines transition towards greater use of Big Data and Artificial Intelligence systems?
      D. J. Brake
    2. Improving the Accuracy of Field Airflow Measurements for Tunnel Ventilation Fans
      R. E. Ray, E. Fuster


    Ventilation Network Analysis and Optimization

    1. Case study on the abnormal airflow diagnosis method using atmospheric monitoring data
      L. Zhou, D. Bahrami, R. A. Thomas
    2. Ventilation System Upgrades at the Waste Isolation Pilot Plant
      K. G. Wallace, I. Peña
    3. Ventilation Network Optimization: Realizing Energy Savings Whilst Promoting Worker Health and Safety
      A.K. Ngcibi, M. Mochubele, S. Bergh


    Ventilation Planning and Design

    1. Design Highlights for Agnico Eagle's Macassa 4 Shaft Primary Ventilation Systems
      K. Boyd, T. Mehedi, D. Witow, M. P. Harvey
    2. Upper Keel Mine Ventilation Strategy at Eagle Mine
      K. Boyd, D. Witow, C. Gobbs, C. McGuire
    3. Empirical and numerical investigation on the optimal length of eddy airflow in dead-end tunnel
      R. Morla, S. Karekal, A. Godbole, P. Tukkaraja, J. Chen, P. Chang