Electrical discharge characteristics of a dielectric liquid under external flow in a microchannel with planar electrode configuration |
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| Affiliation: | 1. Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China;2. Purdue University Boiling and Two-Phase Flow Laboratory (PU-BTPFL), School of Mechanical Engineering, 585 Purdue Mall, West Lafayette, IN 47907, USA;1. Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA;2. Institute of Heat and Mass Transfer, RWTH Aachen University, Augustinerbach 6, 52056 Aachen, Germany;1. Czech Metrology Institute, Okružní 31, 638 00 Brno, Czech Republic;2. CEITEC, BUT, Technická 3058/10, 616 00 Brno, Czech Republic;3. Department of Physics, Faculty of Civil Engineering, BUT, Žižkova 17, Brno 602 00, Czech Republic;1. Institute for Nuclear Research, NAS of Ukraine, 47, Pr. Nauky, 03028 Kyiv, Ukraine;2. V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine, 41, Pr. Nauky, 03028 Kyiv, Ukraine;3. SE “RI of Microdevices” STC “Institute for Single Crystals” NAS of Ukraine, 3, Pivnichno-Syretska Str., 04136 Kyiv, Ukraine |
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| Abstract: | The effect of fluid flow on discharge characteristics in a dielectric liquid was determined. Tests were performed for flow in a 100 micron high, 5 mm wide, 50 mm long microchannel at Reynolds numbers up to 13 and applied DC potentials up to 1.5 kV through 100 micro planar electrode pairs along the floor of the channel. The current within the conduction regime increased as the flow rate increased for the case where the flow was in the same direction as the applied electric field. In the injection regime, there was an optimum flow rate for maximum current. |
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| Keywords: | Discharge characteristics External flow Microchannel Planar electrodes |
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