Journal
JOURNAL OF AEROSOL SCIENCE
Volume 89, Issue -, Pages 26-30Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jaerosci.2015.06.009
Keywords
Electrodynamic spraying; Water; Cone-Jet; Atmospheric pressure
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Funding
- Korea Institute of Machinery and Materials (KIMM) [NK189B]
- National Research Council of Science & Technology (NST), Republic of Korea [NK189B] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We report an experimental study of the electrohydrodynamic (END) spraying of water in air at atmospheric pressure. A ceramic capillary with an inner diameter of 20 pm was used as an END spray nozzle. We observed the structure of the meniscus and jet at flow rates in the range 0.1-4 m1/11 using sub-nanosecond pulsed laser illumination, and identified three distinct regimes of EHD spraying based on the shape of the meniscus and motion of the jet; i.e., a straight jet, a transition regime, and a whipping jet regime. Based on these observations, we identified the stable operating regimes for EHD spraying. (C) 2015 Elsevier Ltd. All rights reserved.
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