NDLI: On the instability of an electrostatically sprayed liquid jet

Content Provider	IEEE Xplore Digital Library
Author	Turnbull, R.J.
Copyright Year	1972
Abstract	The stability of a thin jet for electrostatic spraying of insulators using field emission or ionization is examined theoretically. Since the jet is insulating, the charge injected becomes surface charge. This charge can be redistributed through electric mobility and charge convection. In addition, there is an electric field with a component parallel to the jet. This charge and field result in both a normal and a shearing electric force. Calculations show that a charge with no tangential field stabilizes the long wavelengths while it makes the short wavelengths more unstable. On the other hand, a tangential electric field stabilizes the short wavelengths. The effect of both charge and the tangential field is much larger than the sum of the two effects separately. Using fields and charge densities that are easily achievable in an experiment, a stable jet can be produced. Calculations of the growth rate of instabilities for different values of the electrical parameters are presented.<>
Sponsorship	IEEE Industry Applications Society
Starting Page	1432
Ending Page	1438
Page Count	7
File Size	654479
File Format	PDF
ISSN	00939994
Volume Number	28
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spraying Insulation Dielectric liquids Electrostatics Stability Industry Applications Society Ionization Shearing Electrohydrodynamics Shape
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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