Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Yuri Kozhukhov"'
Publikováno v:
Energies, Vol 15, Iss 1, p 181 (2021)
In this paper, the numerical model of a centrifugal compressor low-flow stage is verified. The gaps and labyrinth seals were simulated in the numerical model. The task was to determine the optimal settings for high-quality modeling of the low-flow st
Externí odkaz:
https://doaj.org/article/bbfed8b1932347c38869735f62f1569e
Autor:
Sergey Kartashov, Yuri Kozhukhov, Vycheslav Ivanov, Aleksei Danilishin, Aleksey Yablokov, Aleksey Aksenov, Ivan Yanin, Minh Hai Nguyen
Publikováno v:
Applied Sciences, Vol 10, Iss 24, p 9138 (2020)
In this paper, we review the problem of accounting for heat exchange between the flow and the flow part surfaces when creating a calculation model for modeling the workflow process of low-flow stages of a centrifugal compressor using computational fl
Externí odkaz:
https://doaj.org/article/70dede58b408493bab7ab0467ac46ce2
Autor:
Evgeny Kozin, Yuri Kozhukhov
Publikováno v:
E3S Web of Conferences. 376:04023
Icing of the injection layer in underground tunnels and ventilation shafts leads to wear, destruction of supporting structures and flooding. In St. Petersburg the air temperature in winter can drop to -25 ° C, what can lead to these phenomena in the
Autor:
Vycheslav Ivanov, Aleksei Danilishin, Sergey Kartashov, Yuri Kozhukhov, Minh Hai Nguyen, Ivan Yanin, Aleksey Yablokov, Aleksey Aksenov
Publikováno v:
Applied Sciences
Volume 10
Issue 24
Applied Sciences, Vol 10, Iss 9138, p 9138 (2020)
Volume 10
Issue 24
Applied Sciences, Vol 10, Iss 9138, p 9138 (2020)
In this paper, we review the problem of accounting for heat exchange between the flow and the flow part surfaces when creating a calculation model for modeling the workflow process of low-flow stages of a centrifugal compressor using computational fl
Publikováno v:
2020 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon).
Obtained and discussed results of comparison of the experimental gas-dynamic characteristics of the 12 centrifugal compressor stages with the 3D impellers the results of numerical simulation of three-dimensional viscous flow (CFD). Impellers, accepte
Publikováno v:
INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS2020).
At the Department of Compressor, Vacuum and Refrigeration Engineering (KVHT), St. Petersburg Polytechnic University is studying processes in a centrifugal compressor [4-12], including non-stationary processes. One of the main goals of these studies i
Publikováno v:
E3S Web of Conferences, Vol 140, p 06008 (2019)
A new mathematical model has been developed to determine the coefficient of internal and theoretical head in the variant design of the low-flow rate centrifugal compressors impellers. A parametric study of the flow part of the impeller is carried out
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1001:012010
The article deals with the issues of the 3D impellers strength analysis for the different centrifugal compressors. Two air compressors are considered, the first for General industrial use, the second for turbocharging the internal combustion engine.
Autor:
A Lebedev, Kh Lopulalan, S Lebedeva, V. N. Ivanov, Minh Hai Nguyen, Sergey Kartashov, Alexander V. Aksenov, Yuri Kozhukhov
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1001:012005
Virtual testing unit description for unsteady flow phenomena investigations in a centrifugal compressor based on ANSYS 12.0 system is presented. Comparisons of calculated and experimental results for steady and unsteady data are acceptable. Transient
Publikováno v:
IOP Conference Series: Materials Science and Engineering. 1001:012009
The article presents the results of a numerical study of the effect of equivalent sandgrain roughness on the characteristics of a low-flow centrifugal compressor stage. Low-flow stages are widely used in high-pressure compressors as the last stages.