Page 8 - Advances In Productive, Safe, and Responsible Coal Mining

Contents vii

7.3 Technologies for PDS in underground applications 102
7.4 NIOSH research on magnetic-based proximity 106
7.5 Development of intelligent proximity detection (iPD) 113
7.6 Future developments 117
References 118

8 Communication and tracking system performance 121
Steven J. Schafrik
8.1 Introduction 121
8.2 Measures of tracking system performance 121
8.3 Simulation of tracking system performance 123
8.4 Measurement of tracking system performance 141
8.5 Conclusions 153
Acknowledgments 154

9 Out-of-seam dilution: Economic impacts and control strategies 155
Joseph C. Hirschi, Y. Paul Chugh
9.1 Introduction and background 155
9.2 Experimental modeling of an OSD control procedure 158
9.3 Modeling results 162
9.4 Controlling OSD 168
9.5 Conclusions and recommendations 175
Acknowledgment 176
References 177

10 Coal mine methane: Control, utilization, and abatement 179
Satar Mahdevari
10.1 Introduction 179
10.2 Coal mine methane 181
10.3 Methane emission control in coal mines 185
10.4 CMM utilization 192
10.5 CMM abatement 193
10.6 Economics of CMM recovery 195
10.7 Conclusion 196
References 197

11 Diesel particulate matter: Monitoring and control improves
safety and air quality 199
Muhammad Usman Khan, Argyle Douglas Stewart Gillies
11.1 Diesel use in mining 199
11.2 DPM characteristics 200
11.3 DPM health effects 200
11.4 Regulatory impact on underground mines diesel equipment 201
11.5 US DPM regulations and permissible exposure
limits (PELs) 202
11.6 DPM exposure measurements 203