Two-Phase Flow Regimes and Discharge Characteristics of a Plasma Electrohydrodynamic Atomization

SUN Ming; D. BOROCILO; G. D. HARVEL; M. IBE; H. MATSUBARA; P. FANSON; H. HIRATA; J. S. CHANG

Plasma Science and Technology > 2011 > 13(1): 73-76.

SUN Ming, D. BOROCILO, G. D. HARVEL, M. IBE, H. MATSUBARA, P. FANSON, H. HIRATA, J. S. CHANG. Two-Phase Flow Regimes and Discharge Characteristics of a Plasma Electrohydrodynamic Atomization[J]. Plasma Science and Technology, 2011, 13(1): 73-76.

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Two-Phase Flow Regimes and Discharge Characteristics of a Plasma Electrohydrodynamic Atomization

1 McIARS, McMaster University, Canada 2 Institute of Electrostatics, Shanghai Maritime University, Shanghai 200135, China 3 Toyota Motor Corporation, Higashi-Fuji R & D Centre, Japan 4 Toyota Motor Engineering & Manufacturing North America, Ann Arbor, Michigan, USA 5 University of Ontario Institute of Technology, Canada

Funds: Funding Supports by Toyota Motor Corporation, Science and Technology Commission of Shanghai Municipality (No.09ZR1421200) and Shanghai Maritime University (No. 2008462).

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Abstract

Abstract

Experimental investigation was conducted to study the flow regimes and discharge characteristics of plasma electrohydrodynamic atomization (EHDA) for decane (C10H22) under pulsed applied negative voltage. The experimental parameters were set as the flow rate of decane from 0 to 10 mL/min and the dc charging voltage from dc 0 to 12 V with a pulse repetition rates of 200 Hz. The flow regime of decane was observed and the volume-to-electrical charge ratio was measured. Unlike a conventional EHDA system, the results show that a corona discharge was initiated at the edge of the hollow electrode at a specific corona on-set voltage of -17 or -20 kV in the case with or without decane flow, respectively. This phenomenon was defined as plasma EHDA.
- Plasma Eletrohydrodynamic Atomization,
- Decane,
- Pulsed Corona Discharge,
- Flow Regime.

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