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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 2,489 - 2,492 (4page)
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Dynamics of multiphase flow under high electric field has attracted extensive research interests due to its wide industrial applications. In this paper, level set method and leaky dielectric model are coupled with Navier-Stokes equation to solve the electro hydrodynamic problem. Method was validated against theory and simulation of the other researchers. DED with inner drop (core) and outer drop (shell) phases immersed in continuous phase is subjected to high electric field. Results showed that shell/continuous and core/shell interfaces of the droplet undergo prolate-oblate (P-O) or oblate-prolate (O-P) deformation depending on the extent of the penetration of electric potential and sense of charge distribution at the interfaces. The interfaces showing O-P deformation split away at the poles whereas, for P-O, they split at the equator. The re-union of the two split parts under high electric field resulted with production of daughter droplet at the core. For eccentric core, the electric field drove it towards the shell center or to the shell/continuous interface depending on electrical parameters.
목차
Abstract
1. Introduction
2. Governing Equations
3. Benchmarking the Numerical Model
4. Results and Discussions
4. Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2017-550-002051923