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Dispersion of irregular particles during free fall

A.F.M., Fadzir and Siti Ilyani, Rani and Jolius, Gimbun (2020) Dispersion of irregular particles during free fall. In: 4th International Conference on Engineering Technology, ICET 2019, 6-7 July 2019 , Darul Iman Training Centre (DITC)Teluk Kalong, Kemaman, Terengganu. pp. 1-5., 1532. ISSN 1742-6596

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Abstract

This paper describes an experimental set up to examine the relationship between powder properties on powder flow pattern during filling operation. For this purpose, the free fall velocities of four types of agricultural dusts (i.e. castor sugar, oat, semolina and tea powder) in a rectangular enclosure were captured using a Particle Image Velocimetry (PIV). The result reveals that oat powder portrayed greater cloud dispersion due to its flaky shape and a lower bulk density. The characteristics of oat powder allowed more air to be dragged into the particle stream and forced the particle to be dispersed and suspended in air due to drag force and terminal velocity. The result presented here may facilitate improvements in dust control and measures in powder industries.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Agricultural robots; Dispersions; Drag; Flow patterns; Velocity measurement
Subjects: T Technology > TP Chemical technology
Faculty/Division: Centre of Excellence: Centre of Excellence for Advanced Research in Fluid Flow
College of Engineering
Depositing User: P. M. Dr. Jolius Gimbun
Date Deposited: 10 Aug 2020 06:39
Last Modified: 10 Aug 2020 06:39
URI: http://umpir.ump.edu.my/id/eprint/28904
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