DISCRETE ELEMENT METHOD TO STUDY THE IMPACT OF DIFFERENT PARAMETERS ON THE SCREEN PERFORMANCE

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JAFARI AKBAR; SALJOOGHINEZHAD VAHID

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:9 Page(s): 27-34

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Information Journal Paper

Title

DISCRETE ELEMENT METHOD TO STUDY THE IMPACT OF DIFFERENT PARAMETERS ON THE SCREEN PERFORMANCE

Author(s)

JAFARI AKBAR | SALJOOGHINEZHAD VAHID | Issue Writer Certificate

Keywords

SCREENQ2

GRANULAR MEDIUMQ2

PELLETQ2

DISCRETE ELEMENTQ2

MOLECULAR DYNAMICQ1

Abstract

In this research, DISCRETE ELEMENT Method (DEM) or in other words, MOLECULAR DYNAMICs (MD) is employed for simulation of sorting process of granular materials which is done by means of a linear vibrating SCREEN device .To model the interaction forces between the particles and walls, short range viscoelastic Hertz potential has been used. Spherical and rectangular shapes were considered for the particles and the SCREEN mesh apertures respectively; and a linear vibration is applied to the mesh surface. During the simulation, differential governing equations of the granules motions are solved numerically to predict their behavior. The required programs were developed to perform the simulations using the open source code, LIGGHTS; and the factors affecting numerical computations were tuned to obtain suitable values. Numerous simulations were done to study the effects of different parameters including mesh inclination, vibration frequency ,vibration angle and apertures' size on the sorting performance; and the correlations are reported graphically. The obtained results are verified by comparison with the adequate ones reported in open literature. Although the current research is not limited to a special case, some data related to the characteristics of iron PELLET and the SCREEN device in Gol-e-Gohar PELLET factory are employed for numerical studies.

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APA: Copy

JAFARI, AKBAR, & SALJOOGHINEZHAD, VAHID. (2014). DISCRETE ELEMENT METHOD TO STUDY THE IMPACT OF DIFFERENT PARAMETERS ON THE SCREEN PERFORMANCE. MODARES MECHANICAL ENGINEERING, 14(9), 27-34. SID. https://sid.ir/paper/177780/en

Vancouver: Copy

JAFARI AKBAR, SALJOOGHINEZHAD VAHID. DISCRETE ELEMENT METHOD TO STUDY THE IMPACT OF DIFFERENT PARAMETERS ON THE SCREEN PERFORMANCE. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(9):27-34. Available from: https://sid.ir/paper/177780/en

IEEE: Copy

AKBAR JAFARI, and VAHID SALJOOGHINEZHAD, “DISCRETE ELEMENT METHOD TO STUDY THE IMPACT OF DIFFERENT PARAMETERS ON THE SCREEN PERFORMANCE,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 9, pp. 27–34, 2014, [Online]. Available: https://sid.ir/paper/177780/en

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