Effective Parameters in Computational Fluid Dynamics Simulation of Baffled Stirred column Reactor Hydrodynamics with Sliding Mesh
Publish place: 10th National Iranian Chemical Engineering Congress
Publish Year: 1384
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NICEC10_031
تاریخ نمایه سازی: 6 بهمن 1385
Abstract:
Sensitivity analysis is an increasingly active area of research within CFD. The main objective of this research has been to investigation a mathematical model for use in simulations of Baffled stirred reactor hydrodynamics. To evaluate this model, simulations are done for a single-phase impeller stirred vessel in laboratory scale. These results are then compared with experimental data from literature. For the single phase system two different turbulence models were tested. It is clear that the modified model of Chen & Kim for impeller stirred systems is far superior over the standard model used for bubble stirred systems. Also a comparison of sliding mesh, snapshot and empirical sources models for impellers are done for the same system. It is shown that the sliding mesh model and the snapshot model give very similar results, with maybe a small preference for the sliding mesh model. The empirical source model is believed to give good results on time average.
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Authors
Rahimi
Department of Chemical Engineering, Sistan and Baluchestan University
Zivdar
Department of Chemical Engineering, Sistan and Baluchestan University
Salehi
Department of Chemical Engineering, Sistan and Baluchestan University
Shahraki
Department of Chemical Engineering, Sistan and Baluchestan University
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