Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Renwei Ji"'
Autor:
Renwei Ji, Ming Kong, Ke Sun, Jianhua Zhang, Renqing Zhu, Minwei Yin, Yuquan Zhang, E. Fernandez-Rodriguez
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
This paper establishes a high-fidelity and efficient Computational Fluid Dynamics (CFD) numerical method (AL-LDS-Ωnew) for wind turbine wake by combining the actuator line (AL), the localized dynamic Smagorinsky (LDS) sub-grid scale (SGS), and the n
Externí odkaz:
https://doaj.org/article/d6fb42e0ef0a4954a83b93431021eb8d
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The new regulations on ship energy efficiency proposed by the International Maritime Organization have had a significant impact on the shipping and shipbuilding industries. Improving the speed performance of ships was an effective approach to meet th
Externí odkaz:
https://doaj.org/article/d5b77e1ac59d40f4becd360c7550d5f2
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 9, p 1635 (2024)
The purpose of ship optimization is to reduce the resistance of the ship and improve the propulsive efficiency of the propeller. Taking the design of the hull, propeller and rudder as an example, the integration optimization of ship speed performance
Externí odkaz:
https://doaj.org/article/b170d451742a4734ba291e54d2f65373
Autor:
Yuquan Zhang, Renwei Ji, Ke Sun, Zhi Zhang, Yuan Zheng, Jisheng Zhang, Xuewei Zhang, Emmanuel Fernandez Rodriguez
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
To understand the interaction wake effects of aligned horizontal-axis wind turbines, a refined and low-cost wake simulation framework is developed by combining the actuator line (AL) with a local dynamic Smagorinsky (LDS) model. Firstly, the publishe
Externí odkaz:
https://doaj.org/article/c90bcd379b02481ba0582ee7ad1dd643
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 8, p 820 (2021)
With the increasing demand for wind energy, the vertical axis wind turbine (VAWT) is attracting more and more attention. In order to design the VAWT array for better performance, the VAWT wake model needs to reflect the wake characteristics well. Bas
Externí odkaz:
https://doaj.org/article/8a63e4e158a846ec9018cbf2ae761100
Publikováno v:
Energies, Vol 14, Iss 1, p 49 (2020)
In the array design of the vertical axis wind turbines (VAWT), the wake effect of the upstream VAWT on the downstream VAWT needs to be considered. In order to simulate the velocity distribution of a VAWT wake rapidly, a new two-dimensional numerical
Externí odkaz:
https://doaj.org/article/f98b87b86924446bb46a57269c120895
Publikováno v:
Renewable Energy. 169:752-764
In the development of tidal energy, in order to extract more energy in the limited tidal farm, large-scale deployment of tidal current turbine is needed. In this paper, based on the PimpleDyMFoam solver in Open Source Fluid Dynamics Software (OpenFOA
Autor:
Zhi Zhang, Yuquan Zhang, Yuan Zheng, Jisheng Zhang, Emmanuel Fernandez-Rodriguez, Wei Zang, Renwei Ji
Publikováno v:
Energy. 264:126185
Autor:
Kazi Belal Uddin, Yan Li, Miao Zhang, Renwei Jiang, Jiahao Liu, Yongjing Zhao, Yongde Cui, Hongzhu Wang
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 284, Iss , Pp 116827- (2024)
Elevated ammonia levels in aquaculture systems could reduce fish growth and survival rates and produce a range of physiological problems. Ammonia toxicity in aquatic environments was regulated by various factors. Feeding was usually reported to help
Externí odkaz:
https://doaj.org/article/c66956e2939e4796b047e0d889a9146d
Publikováno v:
Journal of Marine Science and Application. 18:325-333
As the energy supply problem worsens, the development and utilization of marine renewable energy have become a research hotspot. The development of wave energy is moving from the near shore to the distant sea. The power-generation efficiency of a sin