Diffraction of sound waves on a metal ring

Authors

  • Володимир Володимирович Карачун National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37 Prospect Peremogy, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-6080-4102
  • Вікторія Миколаївна Мельник National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37 Prospect Peremogy, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-0004-7218
  • Сергій Вікторович Фесенко National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37 Prospect Peremogy, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0003-1001-0643

DOI:

https://doi.org/10.15587/2312-8372.2016.85097

Keywords:

caustic, aberration, wave size, concentration of sound waves, motive flow, diffraction

Abstract

As the object of research, sensor unit as a multiphase mechanical construction in the operating conditions of hypersonic aircraft flight is exposed to actions of powerful external disturbances such as: ultra-high temperature – more than 2000 ºC, vibration, shock N-wave, acoustic penetrating radiation. Less harmful disturbances cause additional measurement errors of characteristics of the flight product. Clarification of the nature and origin in time and space of these errors is one of the most important tasks of navigation.

Precisely delineated investigated phenomenon enables combat the negative influence of external disturbing factors by passive, active or autocompensation methods depending on character of the sensor error – methodological or instrumental.

The obtained result confirms the presence of powerful and fluid motive flow with a spatial structure in a liquid-phase components of component base, which, in combination with generated sound waves form a zone of concentration of sound energy and, in accordance, development of three-dimensional turbulent fluid, and explains the emergence of areas of passive energy, in which is virtually absent turbulence.

The expected effect of an efficient fight against the negative impact of penetrating sound radiation is based on eliminating an effect of aberrations and forming a powerful energy zones (zones of caustic surfaces), technical implementation of which in each case may have its advantages and disadvantages.

Author Biographies

Володимир Володимирович Карачун, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37 Prospect Peremogy, Kyiv, Ukraine, 03056

Doctor of Technical Sciences, Professor

Department of biotechnics and engineering

Вікторія Миколаївна Мельник, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37 Prospect Peremogy, Kyiv, Ukraine, 03056

Doctor of Technical Sciences, Professor, Head of Department

Department of biotechnology and engineering

Сергій Вікторович Фесенко, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37 Prospect Peremogy, Kyiv, Ukraine, 03056

PhD student

Department of biotechnology and engineering

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Published

2016-11-24

How to Cite

Карачун, В. В., Мельник, В. М., & Фесенко, С. В. (2016). Diffraction of sound waves on a metal ring. Technology Audit and Production Reserves, 6(2(32), 4–8. https://doi.org/10.15587/2312-8372.2016.85097

Issue

Vol. 6 No. 2(32) (2016): Systems and control processes. Technology Transfer in the Transport Industry

Section

Systems and Control Processes: Original Research

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Copyright (c) 2016 Володимир Володимирович Карачун, Вікторія Миколаївна Мельник, Сергій Вікторович Фесенко

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