A study of dust lifting reduction at the coal and iron ore stockpile of the Port of Koper [Elektronski vir]
Novak, Lovrenc, strojnik ...
This paper presents investigation of local wind conditions at the coal and iron ore stockpile (European Energy Terminal) at the Port of Koper. The purpose of the study was to determine wind ...conditions being critical for occurrence of dust lifting from the stockpiles. A numerical (CFD) model of the stockpile site with its surroundings was built and conditions were simulated by applying realistic boundary conditions. Local wind velocity above the stockpiled material was taken as the criteria for occurrence of dusting. Results show that the current windbreak fence is inefficient mainly due to the large size of the site, which is stretched in the direction of the main winds. Modifications to the fence by replacing or/and heightening it with porous structures were simulated but were found inefficient due to the site size and due to the sharp angles of attack of the main incoming winds. Modifications in pile positions and sizes were also modeled but the main effect was redistribution and not reduction of critical spots. An efficient measure for reduction of wind velocity over the piles was found to be placement of porous barriers between the piles, oriented transverse to the main wind directions.
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