Electrostatic droplet-formation in water/oil flow in a microchannel system

Michihiko Nakano; Naohito Nakai; Masahumi Inoue; Kazunori Takashima; Shinji Katsura; Akira Mizuno

doi:10.1109/IAS.2004.1348807

Electrostatic droplet-formation in water/oil flow in a microchannel system

Michihiko Nakano, Naohito Nakai, Masahumi Inoue, Kazunori Takashima, Shinji Katsura, Akira Mizuno

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

Electrostatic atomization has been studied to inject charged water droplets into oil in a microchannel reactor system. With a negative dc voltage, Taylor cone was formed and the droplets were injected into oil within 1/30 sec. The injection took place periodically with interval of a few seconds when the dc voltage was maintained. Using water, droplets of 10.7 μm average diameter with standard deviation of 3.8μm were injected into rapeseed oil. When 50% glycerol was used, droplets of 6.7μm diameter with SD of 2μm were generated. The electrostatic atomization was proved to be effective in a microchannel system to produce charged fine droplets into oil. This will provide a pump-free system as the droplets can be manipulated using electrical force. The results require further improvement to produce more mono-disperse droplets.

Original language	English
Title of host publication	Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting
Pages	2373-2376
Number of pages	4
Volume	4
DOIs	https://doi.org/10.1109/IAS.2004.1348807
Publication status	Published - 2004
Externally published	Yes
Event	Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting - Seattle, WA, United States Duration: Oct 3 2004 → Oct 7 2004

Other

Other	Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting
Country	United States
City	Seattle, WA
Period	10/3/04 → 10/7/04

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/IAS.2004.1348807

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Cite this

Nakano, M., Nakai, N., Inoue, M., Takashima, K., Katsura, S., & Mizuno, A. (2004). Electrostatic droplet-formation in water/oil flow in a microchannel system. In Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting (Vol. 4, pp. 2373-2376) https://doi.org/10.1109/IAS.2004.1348807

Electrostatic droplet-formation in water/oil flow in a microchannel system. / Nakano, Michihiko; Nakai, Naohito; Inoue, Masahumi; Takashima, Kazunori; Katsura, Shinji; Mizuno, Akira.

Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting. Vol. 4 2004. p. 2373-2376.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nakano, M, Nakai, N, Inoue, M, Takashima, K, Katsura, S & Mizuno, A 2004, Electrostatic droplet-formation in water/oil flow in a microchannel system. in Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting. vol. 4, pp. 2373-2376, Conference Record of the 2004 IEEE Industry Applications Conference; 39th IAS Annual Meeting, Seattle, WA, United States, 10/3/04. https://doi.org/10.1109/IAS.2004.1348807

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abstract = "Electrostatic atomization has been studied to inject charged water droplets into oil in a microchannel reactor system. With a negative dc voltage, Taylor cone was formed and the droplets were injected into oil within 1/30 sec. The injection took place periodically with interval of a few seconds when the dc voltage was maintained. Using water, droplets of 10.7 μm average diameter with standard deviation of 3.8μm were injected into rapeseed oil. When 50% glycerol was used, droplets of 6.7μm diameter with SD of 2μm were generated. The electrostatic atomization was proved to be effective in a microchannel system to produce charged fine droplets into oil. This will provide a pump-free system as the droplets can be manipulated using electrical force. The results require further improvement to produce more mono-disperse droplets.",

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