DETERMINATION OF OPTIMAL SIZES OF SENSORS MEMBRANE ELEMENTS BY MEASURING ELASTIC MODULES USING THE RESONANCE METHOD

Journal Title: Наукові праці ОНАЗ ім. О.С. Попова - Year 2017, Vol 1, Issue 2

Abstract

Introduction of the concept of the Internet of Things in telecommunication networks has caused a rapid number growth of new designs and technologies for manufacturing reliable sensors of physical quantities, in particular pressure and displacement sensors. In order to determine the optimal dimensions and rejection of unreliable working elements of membrane pressure and displacement sensors, the frequency dependence of natural transverse oscillations of biphasic steel plates on their length is investigated. The experimental frequencies values of plates of fixed thickness and of various lengths were determined by the resonance method. The measurement results were processed using the Spectra PLUS computer program. The analytical dependence of the disk natural oscillation frequency on the length for the fixed disk thickness is expressed by the exponential function. The theoretical values of the frequencies are well coordinated with the experimental data for plates 60-100 mm long. However, for lengths less than 30 mm, a significant discrepancy between the experimental and calculated data is observed. This can be explained by the difficulty of obtaining stable oscillation. The plates deformation by alternating bending decreases the disk natural oscillation frequency due to the appearance and development of residual damages in the forms of micropores and microcracks in the disks. It is proved by the direct observation over microstructures by means of electron-microscope investigation.

Authors and Affiliations

Viktor Gorbachov, S. N. Polyakov, N. A. Volchok, V. V. Lukashin, D. A. Dyachok

Keywords

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  • EP ID EP392971
  • DOI -
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How To Cite

Viktor Gorbachov, S. N. Polyakov, N. A. Volchok, V. V. Lukashin, D. A. Dyachok (2017). DETERMINATION OF OPTIMAL SIZES OF SENSORS MEMBRANE ELEMENTS BY MEASURING ELASTIC MODULES USING THE RESONANCE METHOD. Наукові праці ОНАЗ ім. О.С. Попова, 1(2), 12-19. https://europub.co.uk/articles/-A-392971