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CFD gas distribution analysis for different continuous-miner scrubber redirection configurations.

Y Zheng1, J A Organiscak1, L Zhou1

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Summary

Computational fluid dynamics (CFD) models were used to study gas distribution in mining operations. Redirecting scrubber discharge toward the mining face improved gas management, validated by experimental data.

Keywords:
Computational fluid dynamics (CFD)FLUENTGas distributionScrubber discharge

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Area of Science:

  • Occupational safety and health
  • Mining engineering
  • Computational fluid dynamics

Background:

  • Continuous mining machines generate gases in underground mines.
  • Effective ventilation is crucial for worker safety.
  • Current scrubber discharge methods may not optimize gas dilution.

Purpose of the Study:

  • To evaluate the impact of different fan-powered flooded bed scrubber discharge configurations on gas distribution.
  • To assess the effectiveness of redirecting scrubber discharge toward the mining face.
  • To validate computational fluid dynamics (CFD) models against experimental data.

Main Methods:

  • Development of CFD models using FLUENT software with a species transport model.
  • Simulation of various scrubber discharge scenarios, including redirection towards the face.
  • Validation of models using experimental data on sulfur hexafluoride (SF6) gas levels.

Main Results:

  • CFD models accurately predicted SF6 gas levels under different discharge configurations.
  • Redirecting scrubber discharge towards the mining face showed potential for improved gas dilution.
  • Simulations explored the effect of different scrubber angles on gas distribution.

Conclusions:

  • CFD modeling is a reliable tool for analyzing gas distribution in mining environments.
  • Optimizing scrubber discharge can enhance workplace safety by improving gas management.
  • Further research into scrubber configurations and angles can lead to safer mining practices.