Download e-book for kindle: Acoustic Wave Sensors - Theory, Design, and Physico-Chemical by D. S. Ballantine Jr., Robert M. White, S. J. Martin,

By D. S. Ballantine Jr., Robert M. White, S. J. Martin, Antonio J. Ricco, E. T. Zellers, G. C. Frye, H. Wohltjen, Moises Levy, Richard Stern

ISBN-10: 0080523331

ISBN-13: 9780080523330

ISBN-10: 0120774607

ISBN-13: 9780120774609

Written by way of an interdisciplinary workforce of specialists from either and academia, this booklet presents an in-depth examine the present kingdom of acoustic wave units and the scope in their use in chemical, biochemical, and actual measurements, in addition to in engineering functions. due to the inherent interdisciplinary purposes of those units, this ebook could be beneficial for the chemist and biochemist attracted to the use and improvement of those sensors for particular purposes; engineer fascinated about the layout and development of those units; the chemical engineer and the biotechnologist attracted to utilizing those units for method tracking and regulate; and the sensor neighborhood at huge.

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Get Acoustic Wave Sensors - Theory, Design, and Physico-Chemical PDF

Written by means of an interdisciplinary workforce of specialists from either and academia, this publication presents an in-depth examine the present kingdom of acoustic wave units and the scope in their use in chemical, biochemical, and actual measurements, in addition to in engineering purposes. due to the inherent interdisciplinary purposes of those units, this ebook should be helpful for the chemist and biochemist attracted to the use and improvement of those sensors for particular purposes; engineer enthusiastic about the layout and development of those units; the chemical engineer and the biotechnologist drawn to utilizing those units for strategy tracking and regulate; and the sensor neighborhood at huge.

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Extra info for Acoustic Wave Sensors - Theory, Design, and Physico-Chemical Applications

Sample text

9 can be used to calculate frequency shifts for surface accumulations that behave as ideal mass layers. A real film behaves as an ideal mass layer if it is sufficiently thin and rigid so that it moves synchronously with the oscillating device surface. , ~b '~ It. Shear Mode Resonator 45 where p, G, and h are the film density, shear modulus (assumed real for now), and thickness, respectively. 10 can be used to predict the change in frequency contributed by the film, using Ps = ph. 3: Does a 1 p m film on a 5 MHz TSM resonator that has G = 101° dyne/cm 2 and p = 1 g/cm 3 behave as an ideal mass layer?

It is instructive to calculate the electrical energy density for this problem. 2, the only non-zero component of E is Ex. 46) The last term is approximately equal to K 2 when K2 < 1. Thus, the electromechanical coupling coefficient (/(2) has a second interpretation: K 2 is approximately equal to the ratio of peak electrical energy density to peak strain energy density. 3 Perturbations in Acoustic Wave Propagation In acoustic-wave sensor applications, one typically detects the change of wave velocity v and/or attenuation a that is induced as the device interacts with the environment.

Due to the piezoelectric properties and crystalline orientation of the quartz, the application of a voltage between these electrodes results in a shear deformation of the crystal. The crystal can be electrically excited in a number of resonant thickness-shear modes. 2 Schematic of a thickness-shear mode quartz resonator. For each of these, displacement maxima occur at the crystal faces, making the device sensitive to surface perturbations. The perturbations to be considered in this section include surface loading by (1) an infinitesimally thick mass layer, (2) a contacting Newtonian fluid, and (3) a viscoelastic layer of finite thickness.

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Acoustic Wave Sensors - Theory, Design, and Physico-Chemical Applications by D. S. Ballantine Jr., Robert M. White, S. J. Martin, Antonio J. Ricco, E. T. Zellers, G. C. Frye, H. Wohltjen, Moises Levy, Richard Stern


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