Brazilian Journal of Chemical Engineering | |
Heat transfer in porous media | |
N. Amanifard1  M. Borji1  A. K. Haghi1  | |
[1] ,University of Guilan School of Engineering Rasht,Iran | |
关键词: Microchannel; Heat transfer; Pressure drop; EDL; | |
DOI : 10.1590/S0104-66322007000200007 | |
来源: SciELO | |
【 摘 要 】
In this work, the effects of electrical double layer (EDL) near the solid/ liquid interface, on three dimensional heat transfer characteristic and pressure drop of water flow through a rectangular microchannel numerically are investigated. An additional body force originating from the existence of EDL is considered to modify the conventional Navier-stokes and energy equations. These modified equations are solved numerically for steady laminar flow on the basis of control volume approaches. Fluid velocity distribution and temperature with presence and absence of EDL effects are presented for various geometric cases and different boundary conditions. The results illustrate that, the liquid flow in rectangular microchannels is influenced significantly by the EDL, particularly in the high electric potentials, and hence deviates from flow characteristics described by classical fluid mechanics.
【 授权许可】
CC BY
All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License
【 预 览 】
Files | Size | Format | View |
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RO202005130128716ZK.pdf | 244KB | download |