Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Tiezhi Sun"'
Publikováno v:
水下无人系统学报, Vol 32, Iss 3, Pp 434-450 (2024)
In order to explore the evolution of the flow field structure and motion characteristics of the trans-medium submersible during the take-off and landing on water surface, the volume of fluid(VOF) multiphase flow model, the shear stress transfer(SST)
Externí odkaz:
https://doaj.org/article/9e73ebba934d4ab48a56703040638ebc
Publikováno v:
水下无人系统学报, Vol 31, Iss 3, Pp 349-364 (2023)
Supercavity technology is one of the key technologies for underwater high-speed vehicles as it can reduce their resistance and increase their speed. In this paper, the current development of numerical calculation in supercavitation flow is reviewed.
Externí odkaz:
https://doaj.org/article/70525cb469f8419297762e704ce95b83
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 11, p 2046 (2023)
The presence of ice floes on the water surface has a significant impact on the complex hydrodynamic process of submersible ventilated vehicles exiting the water. In this paper, we propose numerical simulations based on computational fluid dynamics to
Externí odkaz:
https://doaj.org/article/69ef14d4b7714a37b795940bcecee86c
Publikováno v:
AIP Advances, Vol 11, Iss 4, Pp 045225-045225-12 (2021)
In this paper, we present a study about the frequency characteristics of the process of internal solitary waves (ISWs) interacting with a stepped bottom topography. We perform experimental measurements of the waveforms and flow fields under various w
Externí odkaz:
https://doaj.org/article/f23d261b965a43abbcd851949b080119
Publikováno v:
International Journal of Naval Architecture and Ocean Engineering, Vol 11, Iss 1, Pp 495-509 (2019)
The objective of this study is to analyze the compressibility effects of multiphase cavitating flow during the water-entry process. For this purpose, the water-entry of a projectile at transonic speed is investigated computationally. A temperature-ad
Externí odkaz:
https://doaj.org/article/8924f98687014b428da0f6c1dba5b92a
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 11, p 1224 (2021)
In this study, the propagation and evolution characteristics of internal solitary waves on slope topography in stratified fluids were investigated. A numerical model of internal solitary wave propagation based on the nonlinear potential flow theory u
Externí odkaz:
https://doaj.org/article/94042eadca7e49d98d88570d443dd7df
Publikováno v:
AIP Advances, Vol 9, Iss 7, Pp 075211-075211-10 (2019)
The splash formation and cavity dynamics during the entry of an object into a single-phase liquid system have been investigated considerably in the past, but only a few studies focus on such phenomena in a two-layer liquid system. In the current stud
Externí odkaz:
https://doaj.org/article/45c6384a1e28448bb7e26b898341f403
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 5, p 487 (2021)
High-speed underwater vehicles are subjected to complex multiphase turbulent processes, such as the growth, development, shedding, and collapse of cavitation bubbles. To study the cavity evolution and pressure pulsation characteristics, in this paper
Externí odkaz:
https://doaj.org/article/702baca22c3748159517b8b2b069eccb
Publikováno v:
E3S Web of Conferences, Vol 276, p 01016 (2021)
As wind power technologies become maturer, the monopile foundation of offshore wind turbine is widely used because of its simple structure, few occupied space and low cost. However, under severe sea conditions, the impact of nonlinear wave load appli
Externí odkaz:
https://doaj.org/article/3417fd04b03e4056b25b0d50d0ddb8d4
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 1, p 24 (2020)
Cavitation involves complex multiphase turbulence and has important research significance. In this study, the Schnerr–Sauer cavitation model was used to model cavitation, and the detached-eddy simulation (DES) method was used to calculate the unste
Externí odkaz:
https://doaj.org/article/61097aa99b414ef190faf4168779015e