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Coal dust and wind fence — Computational Fluid Dynamics study

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4 Contents Executive Summary ...................................................................................................................................... 1 Abstract ......................................................................................................................................................... 3 Introduction.................................................................................................................................................... 5 Site Context and Dust Challenge .............................................................................................................. 7 Shaping the Solution ................................................................................................................................. 8 Baseline Simulation ................................................................................................................................. 14 Particle Generation ..................................................................................................................................... 15 Conclusion................................................................................................................................................... 21 APPENDIX A: Layout of Wind Fence ......................................................................................................... 22 APPENDIX B: EPA Document on Best Accepted Control Technology ...................................................... 23 APPENDIX C: References of Installations .................................................................................................. 24 APPENDIX D: Baseline Simulation Models ................................................................................................ 31 SW Wind without Wind Fence ............................................................................................................. 31 SSE Wind without Wind Fence ........................................................................................................... 33 WNW Wind without Wind Fence ......................................................................................................... 35 SW Wind with Wind Fence ½ Wrap and 80’ tall ................................................................................. 37 SW Wind with Wind Fence ½ Wrap and 100’ tall ............................................................................... 39 SSE Wind with Wind Fence ½ Wrap and 80’ tall ................................................................................ 41 SSE Wind with Wind Fence ½ Wrap and 100’ tall .............................................................................. 43 WNW Wind with Wind Fence ½ Wrap and 80’ tall .............................................................................. 45 WNW Wind with Wind Fence ½ Wrap and 100’ tall............................................................................47 SW Wind with Wind Fence ¾ Wrap and 80’ tall ................................................................................. 49 SW Wind with Wind Fence ¾ Wrap and 100’ tall .............................................................................. 51 SSE Wind with Wind Fence ¾ Wrap and 80’ tall ............................................................................... 53 SSE Wind with Wind Fence ¾ Wrap and 100’ tall ............................................................................. 55 WNW Wind with Wind Fence ¾ Wrap and 80’ tall ............................................................................. 57 WNW Wind with Wind Fence ¾ Wrap and 100’ tall ........................................................................... 59 SW Wind with Wind Fence Full Wrap and 80’ tall............................................................................... 61 SW Wind with Wind Fence Full Wrap and 100’ tall............................................................................. 63 SSE Wind with Wind Fence Full Wrap and 80’ tall ............................................................................. 65 SSE Wind with Wind Fence Full Wrap and 100’ tall ........................................................................... 67 WNW Wind with Wind Fence Full Wrap and 80’ tall ........................................................................... 69 WNW Wind with Wind Fence Full Wrap and 100’ tall ......................................................................... 71 APPENDIX E: Particle Dispersion Models ..................................................................................................73 — SW Wind Direction ................................................. 87
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