1430 ナノチャンネル内液体流れの電場駆動に関する分子動力学解析(S38-1 ナノフルイズ,S38 マイクロ・ナノフルイズ)

概要

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Molecular dynamics analyses have been performed on the driving of liquid flow in parallel plates by an electric field. The liquid and the plate materials are water and iron, respectively. It is assumed that some of water molecules themselves are ionized. The width of flow channel, i.e. the length between the plates, is 5nm and 10nm, and 1/500 of water molecules have an electric charge of +1e (elementary charge), corresponding to water solution (strong electrolyte) of 100mM solute. The strength of applied electric field is 1kV/cm. The following have become clear from calculation results. 1) Water flow with positive ions only can be driven by the electric field. 2) Water flow with positive ions in plates with negative ions is similar to that with positive ions only from the view point of liquid flow driving.
2007-09-07