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Title

NUMERICAL ANALYSIS OF AN ACTIVE MICRO-MIXER IN A MICRO CHANNEL WITH ROTATING AND OSCILLATING STIRRES

پانزدهمین کنفرانس دینامیک شاره ها (سیالات)
Year: 1392
COI: CFD15_117
Language: EnglishView: 1,326
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Authors

Rasoul Motamed - Department of Mechanical Engineering, Yazd University, Yazd, Iran
Rahim Shamsoddini - Department of Mechanical Engineering, Yazd University, Yazd, Iran
Mohammad Sefid - Department of Mechanical Engineering, Yazd University, Yazd, Iran

Abstract:

In this study we analyzed the mixing effects of rotating and oscillating stirrers in a micro channel by using Ansys CFX methods and it compared with Lattice Boltzmann methods incorporating a D2Q9 model that was done by Sang-Joon and Yong-Dae Kim et al. then effects of molecular diffusion and disturbance by the stirrer for mixing were examined .A time-averaged mixing index was used to estimate the mixing performance of a time-dependent flow. Micro-mixer in Ansys CFX is simulated with High resolution scheme and sliding mesh for oscillating and rotating stirrer and good agreement between it’s results and LBM in stationary stirrer cases observed. In rotating and oscillating cases, a difference between LBM and Ansys CFX observed because of Strouhal number and paper of LBM didn’t say anything about it. Anyway the results both analysis revealed that the mixer, using an oscillating stirrer was much more enhanced and stabilized.

Keywords:

Active Micro mixer , Lattice Boltzmann method , Oscillating stirrer , Ansys CFX , Sliding mesh , Concentration equation , Mixing Index

Paper COI Code

This Paper COI Code is CFD15_117. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/271138/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Motamed, Rasoul and Shamsoddini, Rahim and Sefid, Mohammad,1392,NUMERICAL ANALYSIS OF AN ACTIVE MICRO-MIXER IN A MICRO CHANNEL WITH ROTATING AND OSCILLATING STIRRES,15th Fluid Dynamics Conference,Bandar Abbas,https://civilica.com/doc/271138

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Paper count: 14,333
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