DOES THE KNUDSEN LAYER EXIST OVER A CONCAVE SURFACE?

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Dinler A., Barber R. W., Emerson D. R., Oruçoğlu K.

International Symposium on Thermal and Materials Nanoscience and Nanotechnology (TMNN), Antalya, Turkey, 29 May - 03 June 2011

• Publication Type: Conference Paper / Full Text
• City: Antalya
• Country: Turkey
• Istanbul Technical University Affiliated: Yes

Abstract

Although many microfluidic devices contain curved surfaces, relatively little research has been conducted on nonplanar gas-phase microflows. In this study, the existence of the Knudsen layer over a concave surface has been investigated using a generic nonplanar second-order velocity-slip boundary condition and the direct simulation Monte Carlo (DSMC) method.