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Communication

Rapid Ascent of Hollow Particles in Water Induced by an Electric Field

Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
Powders 2023, 2(4), 737-748; https://doi.org/10.3390/powders2040046
Submission received: 2 October 2023 / Revised: 7 November 2023 / Accepted: 3 December 2023 / Published: 12 December 2023
(This article belongs to the Special Issue Feature Papers in Powders 2023)

Abstract

A novel method has been proposed to induce rapid upward movement of colloidal particles with a density lower than water by applying an electric field of several V/mm in water. This phenomenon, known as the Electrically Induced Rapid Sedimentation (ERS) effect, marks the first occurrence of ‘rapid upward movement of colloidal particles’ within the scope of this phenomenon. Focusing on hollow particles, an investigation of the ERS effect was conducted through transmittance measurement. The hollow particles in water showed a drastic increase in ascending velocity through the application of an electric field. The ascending velocity raised when increasing the electric field strength. Utilizing a quasi-DC electric field (an extremely low-frequency AC electric field), aggregate structures were captured for the first time.
Keywords: electrically induced rapid ascent; hollow particle; electrical double layer; transmittance electrically induced rapid ascent; hollow particle; electrical double layer; transmittance

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MDPI and ACS Style

Kimura, H. Rapid Ascent of Hollow Particles in Water Induced by an Electric Field. Powders 2023, 2, 737-748. https://doi.org/10.3390/powders2040046

AMA Style

Kimura H. Rapid Ascent of Hollow Particles in Water Induced by an Electric Field. Powders. 2023; 2(4):737-748. https://doi.org/10.3390/powders2040046

Chicago/Turabian Style

Kimura, Hiroshi. 2023. "Rapid Ascent of Hollow Particles in Water Induced by an Electric Field" Powders 2, no. 4: 737-748. https://doi.org/10.3390/powders2040046

APA Style

Kimura, H. (2023). Rapid Ascent of Hollow Particles in Water Induced by an Electric Field. Powders, 2(4), 737-748. https://doi.org/10.3390/powders2040046

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