Design and modeling study of a curved channel passive micromixer for chemical and biomedical applications
Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC07_278
تاریخ نمایه سازی: 25 فروردین 1394
Abstract:
A new design and three-dimensional computational fluid dynamics analysis of curved microchannel micro-mixer is presented. The mixing performance and the level of pressure loss in the micro-channel were investigated using numerical analysis in the range of low Reynolds number(Re) 0.1 up to 1.3. Mixing efficiency was quantified by definition of a Mixing index (MI) at theexit of the micro-mixer which results over 95%, demonstrating that the micro-mixer can enhancemixing using mechanism of diffusion at low Re. Two geometric dimensions: micro-channel diameter define the design parameter and also four different designs (two reference and two main designs) define as micro-mixers, and the mixing index and pressure loss are the performanceparameters in the numerical study. Through the analysis, the mixing index at the exit of the micro-mixer is enhanced by about 50% in comparison with the reference design. It is believe that, these findings will be useful for enhancing mixing performance for passive micro-mixers.
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Authors
d Mohebbi-Kalhori
Assistant Professor of Chemical Engineering Department, University of Sistan and Baluchestan, Zahedan, Iran, P.O. Box ۹۸۱۶۴-۱۶۱
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