Zobrazeno 1 - 10
of 136
pro vyhledávání: '"RANS method"'
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9294 (2024)
To investigate the impact of different computational strategies on the self-propulsion hydrodynamic performance of a submarine model, a study was conducted using the RANS method, employing both the steady-state Moving Reference Frame (MRF) method and
Externí odkaz:
https://doaj.org/article/d77595d92b8b4ddf8791fd8e52e843c4
Publikováno v:
Wind, Vol 3, Iss 4, Pp 439-458 (2023)
In this paper, the NWT600 airfoil with a thickness ratio of 60% is taken as the research object. The aerodynamic performance of the airfoil is analyzed by experiments and numerical simulations. The results simulated by various turbulence models used
Externí odkaz:
https://doaj.org/article/0b35e05acb0e4c81b9abf18732caaf1f
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 57, Iss 2, Pp 168-176 (2023)
The hydrodynamic characteristics of a propeller under the crashback condition are closely related to the crash stopping ability of a ship, which directly affect the ship navigational safety. In this paper, a numerical study on the hydrodynamic charac
Externí odkaz:
https://doaj.org/article/9952c86417b74fd6b9d8b1ce7c69b30d
Akademický článek
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Autor:
G. Konstantinov, Sergey
Publikováno v:
TEM Journal. 8(4):1302-1306
Externí odkaz:
https://www.ceeol.com/search/article-detail?id=812633
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 13, Iss 1, Pp 591-608 (2019)
It is critical to obtain a suitable geometry for a cavitating nozzle of submerged water jet, since a suitable geometry determines its cavitation intensity and cavitation distribution. This paper puts forward a water jet cavitating nozzle optimization
Externí odkaz:
https://doaj.org/article/a6e3cacaeb6a46f58f9d33665ca89105
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 7, p 847 (2022)
In this work, the flow around the NACA0018 airfoil with a wide range of attack angles was investigated based on the open-source computational fluid dynamics (CFD) platform OpenFOAM. Two numerical methods, Reynolds-averaged Navier–Stokes (RANS) and
Externí odkaz:
https://doaj.org/article/111e8dd674b64d70b5e18e4ff25de100
Akademický článek
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Publikováno v:
Aerospace, Vol 9, Iss 3, p 125 (2022)
To reduce the computational cost, the k-ω SST turbulence model with Rotation and Curvature correction (SST-RC) is modified to predict the drag of practical aerodynamic configurations mounted with drag-reducing riblets. In the modified model, wall ω
Externí odkaz:
https://doaj.org/article/c1a42f6262e4429e9fd9821d31f5aa95
Autor:
Reza Shamsi, Hassan Ghassemi
Publikováno v:
نشریه مهندسی دریا, Vol 13, Iss 25, Pp 1-14 (2017)
Hydrodynamic analysis of the marine propulsors with complex geometry such as podded drive systems, ducted propellers, and waterjet systems are more complicated than conventional propeller systems. This fact has caused the usage and development of num
Externí odkaz:
https://doaj.org/article/43ac27afec6b4b83b955e7bd930847b3