NDLI: Mixing Performance of Different Serpentine Microchannels

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Nonino, C. Savino, S. Giudice, S. Del
Copyright Year	2007
Abstract	The results of a comparative numerical study aimed at assessing the mixing performance of planar zig-zag, curvilinear and square-wave microchannels of square cross-section is presented in the paper. To evaluate the mixing enhancement characteristics of each geometry, suitable mixing indices are computed at different axial locations of a single repetitive module of each microchannel when this is fed with two equal streams of fluid having the same thermophysical properties, but different solute concentrations. To separate the effects of the geometry from those of molecular diffusion, entrance flow and channel length, the mixing by pure diffusion in straight microchannels of the same length is also evaluated for comparison. Reynolds numbers in the range from 5 to 150 are considered, while the Pe´clet number is held constant and equal to 2500. All the numerical simulations are carried out using an in-house finite element code for the solution of all model equations.
Sponsorship	Nanotechnology Institute
Starting Page	685
Ending Page	692
Page Count	8
File Format	PDF
ISBN	079184272X
DOI	10.1115/ICNMM2007-30088
e-ISBN	0791838005
Volume Number	ASME 5th International Conference on Nanochannels, Microchannels, and Minichannels
Conference Proceedings	ASME 2007 5th International Conference on Nanochannels, Microchannels, and Minichannels
Language	English
Publisher Date	2007-06-18
Publisher Place	Puebla, Mexico
Access Restriction	Subscribed
Subject Keyword	Geometry Fluids Computer simulation Reynolds number Finite element analysis Diffusion (physics) Flow (dynamics) Waves Microchannels
Content Type	Text
Resource Type	Article

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