Flexible Electrohydrodynamic Fluid-Driven Valveless Water Pump via Immiscible Interface

Zebing Mao, Naoki Hosoya, Shingo Maeda

研究成果: Article査読


The conventional electrohydrodynamic (EHD) pump is limited to pumping functional and dielectric liquids, which restricts its applications in fields like microfluidics, food safety, and materials production. In this study, we present a flexible water pump driven by EHD fluid, achieved by integrating valveless elements into the fluidic channel. Our approach leverages the water–EHD interface to propel the immiscible aqueous liquid and reciprocate this process using the nozzle–diffuser system. All components of the water pump are digitally fabricated and assembled. The valveless parts are created using a laser cutting machine. Additionally, we develop a model for the EHD pump and nozzle–diffuser system to predict the generated flow rate, considering factors such as the asymmetrical performance of the EHD pump, pulse frequency, applied voltage, and structural parameters. Finally, we experimentally characterize the flow rates of both the EHD pump and water pump and apply the newly developed device to air bubble manipulation and droplet generation. This research broadens the range of specialized liquids pumped by EHD pumps to include other aqueous liquids or mixtures.

ジャーナルCyborg and Bionic Systems
出版ステータスPublished - 2024 1月

ASJC Scopus subject areas

  • 人工知能
  • 人間とコンピュータの相互作用
  • 生体医工学
  • 機械工学


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