Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Victor Ershov"'
Autor:
Victor Ershov
Publikováno v:
SSRN Electronic Journal.
Autor:
Victor Ershov, Vadim Palchikovskiy
Publikováno v:
Scopus-Elsevier
Mathematical background for designing planar microphone array for localization of sound sources are described shortly. The designing is based on optimization of objective function, which is maximum dynamic range of sound source localization. The desi
Publikováno v:
Acoustical Physics. 65:67-75
The possibility of using a single time realization of a vortex ring to study its aeroacoustic properties is considered. For each realization, averaging is performed over six microphones located around the path of the ring at the same distance from it
Autor:
I. V. Khramtsov, Victor Ershov
Publikováno v:
MATEC Web of Conferences, Vol 320, p 00027 (2020)
The aim of this work is to study the position of dominant sound sources in a small-scale turbulent jet using the beamforming method. Two nozzles of equivalent diameter and different geometric configurations (conical and chevron) were used to create d
Autor:
Yu. V. Bersenev, Ivan Belyaev, Victor Ershov, Vadim Palchikovskiy, O. Yu. Kustov, Ruslan Burdakov, Tatiana Viskova, Victor Kopiev
Publikováno v:
Procedia Engineering. 176:273-277
The paper describes the acoustic mode measurements in a turbofan engine duct, performed with a sparse circumferential 100 - microphone array. The array was initially tested in the laboratory conditions in the anechoic chamber of Perm National Researc
Publikováno v:
VOLUME 39. :224
The article considers the reason for the difference in the results of determining the impedance of the single-layer acoustic liner samples by different methods during the operation in a normal incidence impedance tube. The operation of the normal inc
Publikováno v:
VOLUME 39. :76
In this paper, the problem of localization of noise sources of flow around a cylinder was considered on the basis of a computational experiment using a virtual 54-channel microphone array. Numerical simulation was performed using the computational fl
Publikováno v:
AIP Conference Proceedings.
Autor:
Vladimir F. Peretroukhine, Iury Toporov, Victor Ershov, Valeriy Tarasov, Andrei Kozar, Viacheslav Radchenko, Konstantin Rotmanov, Lidia Lebedeva, Sergey I. Rovny
Publikováno v:
Comptes Rendus Chimie. 7:1215-1218
The recent Russian results on technetium transmutation into ruthenium are summarized, including the first isolation of artificial stable ruthenium from irradiated technetium targets. To cite this article: V. Peretroukhine et al., C. R. Chimie 7 (2004
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 208:012032
A study of the aeroacoustic characteristics of the PNRPU jet rig is considered. The design of the jet rig is described. The velocity of the jet along the axis is measured at a certain distance from the nozzle exit section. The comparison of the veloc