Design, fabrication, and testing of a DC MHD micropump fabricated on photosensitive glass

A theoretical and experimental investigation of the performance of a magnetohydrodynamic (MHD) micropump fabricated on photosensitive glass for circulating liquid metal is presented. A one-dimensional design and analysis tool has been developed and employed to design the pump, which has a uniform re...

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Bibliographic Details
Published in:Chemical engineering science 2014-09, Vol.117, p.210-216
Main Authors: Taek Kim, Chun, Lee, Jongkwang, kwon, Sejin
Format: Article
Language:English
Subjects:
Liquid metal circulation
Magnetohydrodynamic phenomena
Micropump
Photosensitive glass
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Summary:A theoretical and experimental investigation of the performance of a magnetohydrodynamic (MHD) micropump fabricated on photosensitive glass for circulating liquid metal is presented. A one-dimensional design and analysis tool has been developed and employed to design the pump, which has a uniform rectangular cross section of 5mm × 0.8mm and a length of 20mm; perpendicular magnetic fluxes and an axial electric current are generated in the pump. Experimental results are presented for the circulation of liquid Ga using NdFeB permanent magnets that produce 0.375T. The maximum pressure increase generated is 2.82kPa at 6A DC; the maximum efficiency is 0.46% at 2A DC, where the flow rate is 40ml/min. •MHD micropump was fabricated on photosensitive glass for circulating liquid metal.•1D design and analysis tool has been developed and employed to design micropump.•Performance was evaluated for the circulation of liquid Ga using NdFeB magnets.•Maximum pressure increase generated is 2.82kPa at 6A DC.•Maximum efficiency is 0.46% at 2A DC, where the flow rate is 40ml/min.
ISSN:0009-2509
1873-4405
DOI:10.1016/j.ces.2014.06.035