Active system for reduction of noise parameters of car muffler with the use of pressure sensors based on silicon microcrystals

• Autorzy: Zinko R.V. , Kutrakov A.P. , Shybanov S.V. , Zashchepkina N.M. , Markina O.M.

Identyfikatory

DOI

10.5604/01.3001.0015.0513

• Języki publikacji: EN

Abstrakty

EN

Purpose: The article contains the results of research and development of a system for active noise damping of an automobile engine. The proposed system of active noise suppression can significantly reduce the sound pressure level in the frequency band up to 500 Hz. The robotic principle of the developed system is based on the addition of an additional buffer tank with a variable volume in the silencer system. The use of high-temperature sensors with strain gauges based on silicon microcrystals to obtain information on the parameters of sound vibrations arising during the exhaust gas outflow made it possible to create a control system for changing the volume of the buffer tank. The results of testing the proposed system of active noise suppression of an internal combustion engine are presented. Design/methodology/approach: The active noise suppression system based on the Helmholtz resonator used tools to control general noise levels, experimental tests, complex mathematical modelling of acoustic processes in Solidworks, taking into account the conditions of propagation and attenuation of sound energy by intermediate closed volumes. Findings: The use of an additional resonator chamber with variable volume in the exhaust muffler of the internal combustion engine allowed to reduce the resonant phenomena in the zone of low-frequency pulsations of exhaust gas pressure from 57 Hz to 43 Hz at frequency drift in the range of 310… 350 Hz, which significantly improved its noise characteristics. Research limitations/implications: For further research, to improve the characteristics of the active noise suppression system, it is advisable to consider the use of several in in transient modes of engine operation. Practical implications: The developed design of active noise reduction is simpler in comparison with analogs and allows reducing the noise of exhaust gases in a low-frequency range. Originality/value: To reduce the noise, a variable-volume Helmholtz resonator was used, the efficiency of which is provided by high-temperature sensors of the original design.

Słowa kluczowe

EN

active noise damping; car mufflers; noise reduction; high-temperature pressure sensors; filamentary crystals

PL

aktywne tłumienie hałasu; tłumiki samochodowe; redukcja hałasu; wysokotemperaturowe czujniki ciśnienia; kryształy włókniste

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2021
• Tom: Vol. 109, nr 1
• Strony: 35--41
• Opis fizyczny: Bibliogr. 13 poz.

Twórcy

autor

Zinko R.V.

• Department of Automotive Engineering, Lviv Polytechnic National University, Bandera Str. 12, Lviv, 79013, Ukraine

• https://orcid.org/0000-0002-3275-8188

autor

Kutrakov A.P.

• Department of Semiconductor Electronics, Lviv Polytechnic National University, Bandera Str. 12, Lviv, 79013, Ukraine

autor

Shybanov S.V.

• Department of Civil Safety, Lviv Polytechnic National University, Bandera Str. 12, Lviv, 79013, Ukraine

autor

Zashchepkina N.M.

• National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Department of Information and Measurement Technologies, Peremohy Ave., 37, Kyiv, 03056, Ukraine

• https://orcid.org/0000-0001-9397-6632

autor

Markina O.M.

• d National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», Department of Information and Measurement Technologies, Peremohy Ave., 37, Kyiv, 03056, Ukraine

• https://orcid.org/0000-0002-4406-1644

Bibliografia

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• [2] A.I. Komkin, I.N. Kulichev, V.A. Sukhorukov, Analysis of the acoustic characteristics of noise mufflers, Scientific and Technical Achievements and Advanced Experience in the Automotive Industry 7 (1991) 9-12 (in Russian).
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• [10] A. Druzhinin, I. Maryamova, A. Kutrakov, N. Lyakh-Kaguy, Thread-like crystals of silicon for sensor electronics, Physics and Chemistry of Solid Body 12/4 (2011) 1078-1084 (in Ukrainian).
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