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Laboratory investigation of enclosed cab filtration system performance factors.

Authors
Organiscak-JA; Cecala-AB
Source
2008 SME Annual Meeting and Exhibit, February 24-27, Salt Lake City, Utah, Preprint 08-048. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2008 Feb; :1-5
Link
NIOSHTIC No.
20033625
Abstract
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.
Keywords
Mining-industry; Ventilation; Filters; Air-filters; Air-flow; Air-quality-control; Mining-equipment
Publication Date
20080224
Document Type
Conference/Symposia Proceedings
Fiscal Year
2008
NTIS Accession No.
NTIS Price
NIOSH Division
PRL
Priority Area
Mining
Source Name
2008 SME Annual Meeting and Exhibit, February 24-27, Salt Lake City, Utah, Preprint 08-048
State
PA; UT; CO
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