Zobrazeno 1 - 10
of 135
pro vyhledávání: '"Komkin A"'
Autor:
Oganesyan Suzanna, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00011 (2020)
Characteristic features of evaluating the acoustic efficiency of sound screen on the ground were considered. To simplify the analysis, noise source and control point were located symmetrically on both sides of the screen. Their position was determine
Externí odkaz:
https://doaj.org/article/27a89e4e81594071b13b31fa42036d7d
Autor:
Vishnevsky Akim, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00004 (2020)
You should leave 8 mm of space above the abstract and 10 mm after the abstract. The heading Abstract should be typed in bold 9-point Arial. The body of the abstract should be typed in normal 9-point Times in a single paragraph, immediately following
Externí odkaz:
https://doaj.org/article/c7e3b148b16e4a669aa0a79e701714be
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00002 (2020)
The acoustic characteristics of the semi-infinite noise barrier were studied using finite element modeling in the COMSOL Multiphysics software package. The features of the finite element partition into the accuracy of the results are estimated. The r
Externí odkaz:
https://doaj.org/article/d50cc9e0050b4ec990fd623679731a67
Autor:
Nazarov Gleb, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00010 (2020)
The paper reviews the existing methods for measuring the acoustic characteristics of sound-absorbing materials. The description of the used test bench for measuring the acoustic characteristics of materials by the three-microphone method is given. Th
Externí odkaz:
https://doaj.org/article/d420ed5572c84acbbfc6681e1826afd2
Autor:
Kulkina Valeriya, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00030 (2020)
The acoustic efficiency of noise barriers has been studied using the developed two-dimensional finite element model in the COMSOL Multiphysics software package. Numerical calculations of the semi-infinite barrier efficiency have been compared with ca
Externí odkaz:
https://doaj.org/article/4af5fe5af0b84211a73e8998bf3b2191
Autor:
Bykov Aleksei, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00012 (2020)
The method of calculation design of the Helmholtz resonator in the duct is considered based on the transition to dimensionless parameters, which are determined concerning the transverse size of the duct. The acoustical impedance of Helmholtz resonato
Externí odkaz:
https://doaj.org/article/ebc3e8b1e8f14234be647872c1a18ad3
Autor:
Nikolaeva Veronika, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00025 (2020)
In this paper, the transmission loss of a Herschel-Quincke resonator is investigated. An analytical model of such a resonator is considered. The finite element modeling of the resonator has also been carried out. It is shown that the resonance peaks
Externí odkaz:
https://doaj.org/article/2a76f2461da94fd1850519cfa8c19168
Autor:
Kulkina Valeriya, Komkin Alexandr
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00029 (2020)
The features of noise emission, when its source is located above the underlying (reflecting) surface, have been considered. The main factor determining the pattern of sound pressure distribution in space is the interference between sound waves incide
Externí odkaz:
https://doaj.org/article/6f48465592a24467a3c38b33e5451a83
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00019 (2020)
The study looks at the active sound absorption system in which a loudspeaker with a shunting resistor is used as an absorber. A theoretical study of shunting element influence on the reviewed system absorption characteristics was performed. Results o
Externí odkaz:
https://doaj.org/article/ca64d67f847b49a9a9bca7c66a509597
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00015 (2020)
The paper presents an overview of the results of studies of acoustic impedance of orifices with grazing airflow. Empirical models of orifice impedance, which take into account the grazing flow, and the existing methods of measuring the acoustic imped
Externí odkaz:
https://doaj.org/article/ddd06884837f4e689e4fd9adb8f3659b