Effective Symmetry Breaking of Flow in AC Electro-Osmotic Pump Using a Ratchet Structure

• Sugioka, Hideyuki

• Segawa, Satoru

抄録

AC electro-osmotic (ACEO) pumps play an important role in a wide diversity of microfiuidic applications. To produce high flow velocities, an effective breaking of symmetry is prerequisite. Here, we introduced a ratchet-structured electrode for achieving high flow velocities and developed a ratchet ACED pump containing both ratchet and plane electrodes. The performance of our new ACED pump is evaluated experimentally. At an ac voltage of 30 V at 10kHz, a maximum net flow velocity of 1.1 mm/s is measured along the inclined direction of the ratchet teeth. Furthermore, we also directly observed the flow fields due to the slip velocity of ACEO, which provide a physical insight on the ratchet-type ACED pumps.

Article

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN.88(8):084602(2019)

収録刊行物

• JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 88 (8), 084602-, 2019-07-05

  PHYSICAL SOC JAPAN

キーワード

• General Physics and Astronomy

詳細情報

• CRID: 1050568617200149632
• NII論文ID: 120007113497
• NII書誌ID: AA00704814
• ISSN: 00319015
• ISSN: 13474073
• DOI: 10.7566/jpsj.88.084602
• HANDLE: 10091/00022494
• NDL書誌ID: 029876648
• Web Site: https://soar-ir.repo.nii.ac.jp/records/21737
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I029876648
• Web Site: https://journals.jps.jp/doi/pdf/10.7566/JPSJ.88.084602
• 本文言語コード: en
• 資料種別: journal article
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