CFD Simulation of Dust Dispersion in Construction Site Case in Morocco: a Case Study

Abstract

Construction sites usually suffer from weak safety performances and biased perception of dust risk. The prevalence of workers' exposure to dust remains unknown and quantitative measurement tools are not yet available. For the sake of raising awareness about occupational riskiness for these dusty activities, a CFD approach has been used through this work. A series of simulations are carried out to investigate dust dispersion behavior and to enlighten possibilities to reduce dust concentration in the work environment via dust source localization changing. A study regarding the positions of the air inlet and to full airflow of dust is carried out. Come outs have showed that when dust source is located within the air inlet, a cloud of particles is driven avoiding an increase of dust concentration in the workplace, whereas when it is located elsewhere the dust concentration in the workplace increases and the effect of airflow is not significant. CFD simulation of workplace airflow has enabled to plot of the variation of dust concentration as a result of the dust source location.