Temperature Rise Within a Mobile Refuge Alternative—Experimental Investigation and Model Validation
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Temperature Rise Within a Mobile Refuge Alternative—Experimental Investigation and Model Validation

Filetype[PDF-3.54 MB]


English

Details:

  • Alternative Title:
    J Therm Sci Eng Appl
  • Personal Author:
  • Description:
    Mine Safety and Health Administration (MSHA) regulations require underground coal mines to install refuge alternatives (RAs). In the event of a disaster, RAs must be able to provide a breathable air environment for 96 h. The interior environment of an occupied RA, however, may become hot and humid during the 96 h due to miners' metabolic heat and carbon dioxide scrubbing system heat. The internal heat and humidity may result in miners suffering heat stress or even death. To investigate heat and humidity buildup with an occupied RA, the National Institute for Occupational Safety and Health (NIOSH) conducted testing on a training ten-person, tent-type RA in its Safety Research Coal Mine (SRCM) in a test area that was isolated from the mine ventilation system. The test results showed that the average measured air temperature within the RA increased by 11.4°C (20.5 °F) and the relative humidity approached 90% RH. The test results were used to benchmark a thermal simulation model of the tested RA. The validated thermal simulation model predicted the average air temperature inside the RA at the end of 96 h to within 0.6 °C (1.1 °F) of the measured average air temperature.
  • Subjects:
  • Source:
  • Pubmed ID:
    28261379
  • Pubmed Central ID:
    PMC5332133
  • Document Type:
  • Funding:
  • Volume:
    9
  • Issue:
    2
  • Collection(s):
  • Main Document Checksum:
  • Download URL:
  • File Type:

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