Contents
Part I Vent System Optimization I
Mobile Equipment Power Source--Impact on Ventilation Design 3
Chery Allen and Jozef Stachulak
Pros and Cons of Primary Ventilation Systems and the Need for Critical Spares 17
Johannes Holzhausen
Controlled Primary Ventilation Recirculation and Re-use with Reconditioning--A Strategy for Deep Mines 27
Leon van den Berg， Katie Manns， and Steven Bluhm
Research on Ventilation Layout in Jet-Flow Gallery Ventilation System in a Twin-Tunnel Construction 42
Rong Liu， Liang Wang， Song Ren， and Zhen Zhang
Influence of the Ratio of the Blowing and Sucking Flow on the Wall-Rotating Circulating Airflow in Fully Mechanized Excavation Face 49
Ronghua Liu， Yongjun Li， Pengfei Wang， Wei Shu， and Shangxu Gou
Part I Vent System Optimization II
Calculating Shock Losses in Mine Ventilation Networks 61
Mikhail Semin and Andrey Shalimov
A Preliminary Experimental Investigation of the Airflow Resistance of an Evolving Cave in a Block/Panel Cave Mine 70
S Sreekumar Ajitha R.Bhargava， Y.Pan.A.Jha， P.Tukkaraja， K.Shahbazi， K.Katzenstein， and D.Loring
An Investigation of the Elects of Particle Size， Porosity， and Cave Size on the Airflow Resistance of a Block/Panel Cave 82
Y.Pan， R.Bhargava， A.Jha， P.Tukkaraja， K.Shahbazi， K.Katzenstein， and D.Loring
Selecting the Best Development Face Ventilation Scheme Using G1-Coefficient of Variation Method 92
Zhiyong Zhou， Mehmet Kizil， Zhongwei Chen， and Jianhong Chen
Optimization of Ventilation System in Wongawilli Mining Face with a Continuous Miner 107
Tao Du
Ventilation-on-Demand System in Pulang Copper Mine 116
Qifa Ge， Weigen Zhu， Weiguo Zhang， Qinggang Chen， and Zhuoming Yang
Part Ill Mine Dusts and Control I
Evaluation of Gravimetric Sampler Bias， Effect on Measured Concentration， and Proposal for the Use of Harmonised Performance Based Dust Sampler for Exposure Assessment 129
B.Belle
Design of Auxiliary Ventilation System for Effective Dust Dispersion in Underground Coal Mine Development Heading-A Computational Simulation Approach 146
Devi Prasad Mishra， Aashish Sahu， and Durga Charan Panigrahi
Coping with Diffuse Dust Emissions in Mining by Fibrous Filters with Trickling Water Cleaning 159
Federico Marangoni and Gemot Krammer
Review of Real-Time Respirable Dust Survey Findings in Australian Coal Mines 172
Hsin Wei Wu and Stewart Gillies
Explosive Testing of Rock Dust Dispersibility for Coal Dust Explosion Prevention 189
Jurgen F.Brune and Richard C.Gilmore
CFD Modelling of Ventilation， Dust and Gas Flow Dispersion Patterns on a Longwall Face 198
Ting Ren and Zhongwei Wang
Part Iv Minne Dusts and Control II
Study of the Effect of Drilling Bite Depth and Bit Wear Condition on Drilling Specific Energy and Dust Generation During Bolt-Hole Drilling 211
Yi Luo， Hua Jiang， and Mingming Li
Applications of Water Infusion for Dust Control in Underground Coal Mines-A Critical Review 219
Ting Ren， Jian Zhang， and Jianping Wei
The Current State of Chinese Coal Mining Dust Hazard and Prevention 231
Xiaowei Zhai， Qinyuan Hou， Jinzi Han， and Jiaojiao Wang
Numerical Study on Mine Dust Capture Using Nano-Droplet Flow from Wet Steam Condensation 241
Anwen Zhao， Song Guo， Shuxin Chen， Shang Gao， Xuebin Chen， and Chenchen Li
Numerical Simulation of the Dust Movement Rule at a Fully Mechanized Mining Face in Liangshuijing Coal Mine 254
Jianguo Wang， Feiwen Qi， Yaru Zhe， and Yaping Zhang
Part V Methane and Methane Control I
New Method for Ventilation Methane Content Monitoring 269
Janusz Kruczkowski and Piotr Ostrogorski
Model Experiment and Numerical Simulation for the Heading Face Methane Behavior 280
Masahiro Inoue.Bingrui Li and Takumi Hvoudou
Methods of Methane Control in Polish Coal Mines 292
Nikodem Szlazak， Dariusz Obracaj， and Justyna Swolkien
The Development of Coal Mine Drainage Monitoring System Based on DSP and PC 308
Xiaojuan Shi， Dalong Nie， and Gaoyang Wang
Study on Online Detection Method of Methane Gas in Coal Mine Based on TDLAS Technology 318
Jun Deng， Weile Chen， Weifeng Wang Yuan He and Baolong Zhang
Part VI Methane and Methane Control II
Experimental and Simulation Investigation of Nz Enhanced Gas Drainage in Low Permeable Coal Seam 335
Jia Lin.Ting Run.Patrck Booth and Jan Nemeik
Safe Extraction of Methane and Power Generation in a Gold Mine in South Africa 347
J.J.L du Plessis and M.van der Bank
Leveraging Coal Mine Methane/Ventilation Air Methane for Improving Ventilation Standards in Indian Underground Coal Mines and to Reduce Its Carbon Footprints 355
Satish K.Sinha and D.C.Panigrahi
Influence of Pressure Changes on Gas Distribution in Longwall Gobs 364
Stanislaw Wasilewski
Using Stress Relief Ratio to Delineate Optimal Methane Drainage Zone in Longwall Goaf 374
Qingdong Qu， Hua Guo， and Andy Wilkins
Theoretical Model for Micro-fl
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