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Mining Publication: Laboratory Investigation of Enclosed Cab Filtration System Performance Factors

January 2009

Image of publication Laboratory Investigation of Enclosed Cab Filtration System Performance Factors

The National Institute for Occupational Safety and Health (NIOSH) has investigated various factor effects on cab air filtration system performance. Factors experimentally investigated were intake filter efficiency, intake air leakage, intake filter loading (filter flow resistance), recirculation filter use, and wind penetration. Adding an intake pressurizer fan to the filtration system was also investigated. Results indicate that the intake filter efficiency and recirculation filter were the two most influential factors on cab protection performance. Use of a recirculation filter significantly reduced cab penetration over the intake air filter by itself due to the multiplicable filtration of the cab interior air. Cab penetration was also affected to a lesser extent by intake filter loading and air leakage. Adding an intake pressurizer fan notably increased intake airflow and cab pressure while providing only minor changes to cab penetration.

Authors: JA Organiscak, AB Cecala

Peer Reviewed Journal ArticleJanuary - 2009

  • Adobe Acrobat - Portable Document Format (.PDF)

    0.74 MB

NIOSHTIC2 Number: 20034930

Min Eng 2009 61(1):48-54

 
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