Inverse determination of liquid viscosity by means of the Bleustein-Gulyaev wave

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:49

Article

Guo, F. L.¹  Wang, G. Q.²  Rogerson, G. A.² 

[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200240, Peoples R China

[2] Keele Univ, Sch Comp & Math, Keele ST5 5BG, Staffs, England

关键词: Bleustein-Gulyaev wave;    Dispersion relation;    Liquid sensing;    Inverse problem;   

DOI  :  10.1016/j.ijsolstr.2012.04.012

来源: Elsevier

【 摘 要 】

The Bleustein-Gulyaev (B-G) wave in piezoelectric materials of orthorhombic mm2 crystal class is reported to be a promising candidate for application to liquid sensing. In this work we present a rigorous quantitative investigation of the propagation of B-G wave in mm2 crystals in contact with a viscous liquid. An inversion algorithm is formulated to determine the liquid viscosity from the wave speed and attenuation data. Numerical results and discussions are given for potassium niobate (KNbO3). The inversion results demonstrate that the liquid viscosity can be successfully determined from wave propagation characteristics. (C) 2012 Elsevier Ltd. All rights reserved.

【 授权许可】

Free