An Experimental Online Dust Measurement System For Environmental Control And Emissions Monitoring
Free (open access)
M. Menacer & M. Al-Mohammadi
Particle pollution is the term for a mixture of solid particles and liquid droplets suspended in the ambient air. Research studies have associated exposure to elevated levels of these particles in the air with damaging health effects. Now, there is an increased regulatory pressure to demonstrate continuous compliance with microscopic particulate mass emission limits. This paper describes the various settings of an experimental project aimed at developing the principals of a non-intrusive device, using the Particle Image Velocimetry (PIV) laser technique, for online measurement of dust particulates. This study will allow the assessment and analysis of small particulates suspended in a slow moving flow medium (the simulation is performed in water), and to study the various aspects affecting particle size measurements. Keywords: environmental control, laser application, PIV technique, particle measurement, emissions monitoring. 1 Introduction Particle pollution (also called Particulate Matter (PM)) contains a mixture of microscopic solids particles or liquid droplets. It includes \“inhalable coarse particles,” with diameters ranging from 2.5 micrometers (µm) to 20 µm and \“fine particles” with diameters equal to or smaller than 2.5 µm. The size of particles is directly linked to their potential for causing health problems. Small particles less than 20 µm in diameter pose the greatest problems, because they can get deep
environmental control, laser application, PIV technique, particle measurement, emissions monitoring.