Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Urban Svennberg"'
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 12, p 1343 (2021)
Sheet cavitation inception can be influenced by laminar boundary layer flow separation under Reynolds numbers regimes with transitional flow. The lack of accurate prediction of laminar separation may lead to massive over-prediction of sheet cavitatio
Externí odkaz:
https://doaj.org/article/d525be80bbc343b69f4683682f46e81f
Publikováno v:
Journal of Fluids Engineering. 144
In this paper, the risk of cavitation erosion is assessed in a commercial water-jet pump using a recently developed numerical erosion assessment method by Arabnejad et al. (2021, “Numerical Assessment of Cavitation Erosion Risk Using Incompressible
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30f271294a59954c06343c3d249ba03c
https://doi.org/10.1115/1.4052634
https://doi.org/10.1115/1.4052634
Publikováno v:
International Journal of Heat and Fluid Flow. 75:135-152
This paper presents and studies effects of curvature correction (CC) methods to improve two equation RANS simulations of tip vortex flows, exemplified using the SST kOmega turbulence model. Performance of the CC models is first evaluated in the class
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87f5bdf50e77c55090ab971bc70b4775
https://doi.org/10.1016/j.ijheatfluidflow.2018.12.002
https://doi.org/10.1016/j.ijheatfluidflow.2018.12.002
Publikováno v:
Ocean Engineering. 257:111531
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::367a0a0e3a1b77277bc2c6c070f87969
https://doi.org/10.1016/j.oceaneng.2022.111531
https://doi.org/10.1016/j.oceaneng.2022.111531
This study presents results of experiments where roughness applications are evaluated in delaying the tip vortex cavitation inception of an elliptical foil. High-speed video recordings and laser doppler velocimetry (LDV) measurements are employed to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f439f3180bd9b6b1ea48250a403f220
Publikováno v:
Ocean Engineering. 167:187-203
The current study investigates different cavitation inception prediction methods to characterize tip vortex flows around an elliptical foil, and a high skewed low-noise propeller. Adapted inception models cover different levels of complexity includin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ca01c0446320efda743610d41f062eb
https://doi.org/10.1016/j.oceaneng.2018.08.053
https://doi.org/10.1016/j.oceaneng.2018.08.053
Publikováno v:
Applied Ocean Research. 79:197-214
Numerical and experimental investigations of two highly skewed low-noise propellers with a slight alteration in the tip geometry are conducted in both wetted and cavitating flows. The performance of the propellers is measured in open water and inclin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a23de31840064ae54861e01f227864ce
https://doi.org/10.1016/j.apor.2018.07.010
https://doi.org/10.1016/j.apor.2018.07.010
Publikováno v:
Wear. :203529
In this paper, a numerical method to assess the risk of cavitation erosion is proposed, which can be applied to incompressible simulation approaches. The method is based on the energy description of cavitation erosion, which considers an energy trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c27a5fc82bfb609ab5265d72bc20bfc
https://doi.org/10.1016/j.wear.2020.203529
https://doi.org/10.1016/j.wear.2020.203529
Publikováno v:
Applied Ocean Research. 106:102449
In this study, the application of surface roughness on model and full scale marine propellers in order to mitigate tip vortex cavitation is evaluated. To model the turbulence, SST k − ω model along with a curvature correction is employed to simula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12ba796295c1ce2a0a674e41fd617bf8
https://doi.org/10.1016/j.apor.2020.102449
https://doi.org/10.1016/j.apor.2020.102449
Publikováno v:
Ocean Engineering. 209:107503
This paper investigates the numerical prediction of cavitation and hull pressure pulses induced by a marine propeller operating in behind-hull conditions of a container vessel in model scale. Simulations are performed using commercial package Star-CC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f74a9550a8fbdeaedf8429acd4144bf4
https://doi.org/10.1016/j.oceaneng.2020.107503
https://doi.org/10.1016/j.oceaneng.2020.107503