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Mining Publication: Field Measurement of Diesel Particulate Matter Emissions
Keywords: Diesel particulate matter Particulate matter measures
Original creation date: March 2008
Authors: JC Volkwein, SE Mischler, B Davies, C Ellis
Peer Reviewed Journal Article - March 2008
Download PDF Document (0.17 MB)
NIOSHTIC2 Number: 20033315
Ann Occup Hyg 2008 Mar; 52(2):99-105
A primary means to reduce environmental levels of diesel particulate matter (DPM) exposure to miners is to reduce the amount of DPM emission from the engine. A quick and economic method to estimate engine particulate emission levels has been developed. The method relies on the measurement of pressure increase across a filter element that is briefly used to collect a DPM sample directly from the engine exhaust. The method has been refined with the inclusion of an annular aqueous denuder to the tube which permits dry filter samples to be obtained without addition of dilution air. Tailpipe filter samples may then be directly collected in hot and water-supersaturated exhaust gas flows from water bath-cooled coal mine engines without the need for dilution air. Measurement of a differential pressure (DP) increase with time has been related to the mass of elemental carbon (EC) on the filter. Results for laboratory and field measurements of the method showed agreement between DP increase and EC collected on the filter with R2 values >0.86. The relative standard deviation from replicate samples of DP and EC was 0.16 and 0.11, respectively. The method may also have applications beyond mining, where qualitative evaluation of engine emissions is desirable to determine if engine or control technology maintenance may be required.
Image of publication Field Measurement of Diesel Particulate Matter EmissionsPeer Reviewed Journal Article - March 2008
Download PDF Document (0.17 MB)
NIOSHTIC2 Number: 20033315
Ann Occup Hyg 2008 Mar; 52(2):99-105
See Also
Apparatus for Measuring Diesel Tailpipe Emissions in Underground Mines
Diesel Exhaust Aerosol, Review of Measurement Technology
Differential Pressure as a Measure of Particulate Matter Emissions from Diesel Engines
Instrumentation for Diesel Particulate Matter Emissions Research
Performance Evaluation of Diesel Particulate Filter Technology in the Underground Environment
Real-Time DPM Ambient Monitoring in Underground Mines
Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion Engine
Sampling Results of the Improved SKC� Diesel Particulate Matter Cassette
Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number
Technology News 431 - Apparatus for Sampling and Measuring Diesel Tailpipe Emissions
Page last reviewed: June 4, 2015
Page last updated: June 4, 2015
Content source: National Institute for Occupational Safety and Health, Mining Program
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