Lattice Boltzmann Simulation of Air Flow in a Packed Bed of Spherical Zeolit Agglomerates
Publish place: 06th International Congress on Chemical Engineering
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC06_266
تاریخ نمایه سازی: 1 مهر 1388
Abstract:
Lattice Boltzmann simulation of flow inside a packed bed of spherical agglomerates is presented. Contrary to the other works in this field, the effects of caged spheres inside the larger ones are considered. An algorithm for generating bi disperse random sphere packings of any ranges of sizes, along with a method for detecting caged particles are presented. The air flow through such packed beds is simulated using a lattice Boltzmann method. In addition, the effects of moving particles inside the packed bed have been considered. It is shown that the lattice Boltzmann method is an accurate and powerful method in determining fluid flows in packed, beds with locally unfixed particles. The presented model finds a vast range of applications in chemical engineering specially, in designing and analyzing Oxygen/Inert Gas Generating Systems (OGGS/IGGS).
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Authors
Mahmud Ashrafizaadeh
Department of Mechanical Engineering, Isfahan University of Technology
Amirreza Rastegari
Department of Mechanical Engineering, Isfahan University of Technology
Mehdi Rahmani
Department of Mechanical Engineering, Isfahan University of Technology
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