Abstract
Fine particle deposition on surfaces in industrial installations often takes place in situations where inertial effects are predominant. This paper describes the use of an 11 cm horizontal pneumatic transport line fitted with an orifice flow constriction to study particle deposition in recirculating zones under typical industrial temperature, humidity and particle concentration conditions. The results obtained show that increases in temperature and particle concentration lead to increases in the deposition rate. It was also shown that a final deposit profile was formed which depended only on the Reynolds number upstream from the flow constriction. A method is proposed which allows the determination of this final profile based only on a knowledge of the centerline velocity profile.
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