Journal
CHEMICAL ENGINEERING SCIENCE
Volume 117, Issue -, Pages 210-216Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2014.06.035
Keywords
Micropump; Magnetohydrodynamic phenomena; Photosensitive glass; Liquid metal circulation
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Funding
- National Research Foundation of Korea (NRF) grant - Korean government (MEST) [2012R1A2A1A05026398]
- National Research Foundation of Korea [2012R1A2A1A05026398] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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 5 mm x 0.8 mm and a length of 20 mm; 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 0.375 T. The maximum pressure increase generated is 2.82 kPa at 6 A DC; the maximum efficiency is 0.46% at 2 A DC, where the flow rate is 40 ml/min. (C) 2014 Elsevier Ltd. All rights reserved.
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