The flow structure at liquid-liquid interface was investigated by PIV/LIF with evanescent wave illumination. Laminar parallel flow comprising buffer solution and oil was formed in a microchannel. The laser beam was introduced into oil by a two-prism system and was totally reflected at the buffer solution-oil interface. The evanescent wave penetrates into the solution as a light source. The interfacial velocity measurement of solution was performed by nano-PIV. In prior to apply nano-LIF to measurement of an electrostatic potential distribution at the interface, a representative electrostatic potential was obtained from measurements of elelctroosmotic mobility of the buffer solution.
- Fluids Engineering Division
Liquid-Liquid Interfacial Flow Structure Obtained From Nano-PIV/LIF
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Iino, M, Hasegawa, A, Shimizu, H, & Sato, Y. "Liquid-Liquid Interfacial Flow Structure Obtained From Nano-PIV/LIF." Proceedings of the ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora. Hamamatsu, Japan. July 24–29, 2011. pp. 301-303. ASME. https://doi.org/10.1115/AJK2011-36006
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