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Title: | FINITE-DIFFERENCE SOLUTION OF ELECTROKINETIC FLOW THROUGH MICROCHANNEL |
Authors: | Thota, Bhaskar |
Keywords: | CHEMICAL ENGINEERING;FINITE-DIFFERENCE SOLUTION;ELECTROKINETIC FLOW;MICROCHANNEL |
Issue Date: | 2011 |
Abstract: | Electroviscous effects near solid-liquid interface in steady, fully developed, non-Newtonian, pressure-driven flow of power-law liquids through a uniform rectangular microchannel have been investigated numerically by solving the Poisson—Boltzmann and the momentum equations using a finite difference method. An electric body force term is caused by the electric double field and flow-induced electrokinetic field is considered in equation of motion. The microchannel wall is considered to have uniform surface charge density and the liquid is assumed to be a symmetric 1:1 electrolyte solution. Electroviscous resistance will reduce the velocity that is adjacent to the wall, relative to the velocity on the axis. This effect was greater when the liquid is shear-thinning, and less when it is shear-thickening, than it is for Newtonian flow. The electro-viscous effect is stronger in shear-thinning, and weaker in shear-thickening liquids, than it is when the liquid is Newtonian. But mainly Newtonian fluids are solved first. |
URI: | http://hdl.handle.net/123456789/7013 |
Other Identifiers: | M.Tech |
Research Supervisor/ Guide: | Bharti, R. P. |
metadata.dc.type: | M.Tech Dessertation |
Appears in Collections: | MASTERS' THESES (Chemical Engg) |
Files in This Item:
File | Description | Size | Format | |
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CHD G20972.pdf | 2.28 MB | Adobe PDF | View/Open |
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