Contact angle-based predictive model for slip at the solid-liquid interface of a transverse-shear mode acoustic wave device

Ellis, Jon, McHale, Glen, Hayward, Gordon and Thompson, Michael (2003) Contact angle-based predictive model for slip at the solid-liquid interface of a transverse-shear mode acoustic wave device. Journal of Applied Physics, 94 (9). pp. 6201-6207. ISSN 0021-8979

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Abstract

We have revisited the Blake-Tolstoi theory [Coll. Surf. 47, 135 (1990)] for molecular and hydrodynamic slip and applied it to the fundamental description of acoustic wave devices coupled to a liquid of finite thickness. The aim is to provide a framework for a predictive model for slip, based on surface-liquid interactions and contact angle. This theory provides a description of slip that links hydrodynamic boundary slip to a schematic, molecular description involving the wettability of the liquid-solid interface. We redevelop the model, using current acoustic sensors notation, then evaluate its qualitative behavior as a predictive model for slip length in the context of acoustic wave devices. Finally, we discuss the limitations of the model and consider the advantages of a predictive model for boundary slip.

Item Type:	Article
Uncontrolled Keywords:	slip, wettability, acoustic wave, sensor
Subjects:	F100 Chemistry F300 Physics H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Glen McHale
Date Deposited:	29 Aug 2012 15:08
Last Modified:	12 Oct 2019 19:05
URI:	http://nrl.northumbria.ac.uk/id/eprint/8348

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