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Title: Effects of Liquid Properties on Thickness Shear Mode Acoustic Wave Resonators and Experimental Verifications
Authors: WU SHAN
Keywords: TSM resonator, Liquid Properties, Viscosity, Contact Angle
Issue Date: 18-Sep-2007
Citation: WU SHAN (2007-09-18). Effects of Liquid Properties on Thickness Shear Mode Acoustic Wave Resonators and Experimental Verifications. ScholarBank@NUS Repository.
Abstract: The objectives of this project were to study the effect of various liquid properties on the application of Thickness Shear Mode (TSM) resonator to liquid; and thus to utilize it for the determination of those liquid properties. The properties investigated included viscosity, spreading rate, and contact angle. Other factors such as contact area, viscoelastic effects, heavy loading, and surface roughness were also discussed.The classic Kanazawa equation was verified with experiments and deviations were observed for liquid at high viscosity. Both full coverage and partial coverage experiments were conducted.A novel method for determination of liquid contact angle was proposed, and the results were proven to be comparable to that of optical goniometry.Time dependent responses were discussed under the circumstances of high percentage glycerine solutions and silicon oil. Effects of viscoelasticity and spreading rate were thus discussed.The effect of heavy loading and surface roughness were also investigated.
Appears in Collections:Master's Theses (Open)

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