The Influence of External Pressure on Resonant Frequency of SAW Resonator

• Authors: K. Jasek , M. Pasternak
• Languages of publication: EN

Abstracts

EN

The results of numerical simulations and experimental measurements of surface acoustic wave resonator centre frequency and amplitude dependence on external pressure changes in the range 0-1 atm are presented in the paper. According to the analytical model as well as numerical calculations the pressure influence on the resonator centre frequency is linear. Unfortunately, in the real measurements the linearity is difficult to observe. Additional effects that modify the linear dependence of the centre frequency on pressure are caused by water particles. It is well visible especially in the low pressure range. The phenomenon can be applied for research of water contents in dry gases as well as construction of acoustoelectronic vacuometers.

Keywords

EN

02.60.-x; 43.35.Pt; 46.80.+j; 61.30.Hn

Discipline

• 61.30.Hn: Surface phenomena: alignment, anchoring, anchoring transitions, surface-induced layering, surface-induced ordering, wetting, prewetting transitions, and wetting transitions
• 02.60.-x: Numerical approximation and analysis
• 46.80.+j: Measurement methods and techniques in continuum mechanics of solids(for mechanical instruments, equipment, and techniques, see 07.10.-h in instruments)

• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 6
• Pages: 1601-1605

Dates

published

2015-06

received

2014-05-12

Contributors

author

K. Jasek

• Military University of Technology, S. Kaliskiego 2, 00-490 Warsaw, Poland

author

M. Pasternak

• Military University of Technology, S. Kaliskiego 2, 00-490 Warsaw, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.127.1601