Zobrazeno 1 - 10
of 120
pro vyhledávání: '"wake recovery"'
Publikováno v:
Meteorologische Zeitschrift, Vol 32, Iss 6, Pp 471-486 (2023)
Wind farm wake behaviour and forecasting is gaining the importance recently. It is especially relevant in the German Bight where space for wind farm clusters is limited, and wind farm wake lengths of up to 60 km have been measured. In this investigat
Externí odkaz:
https://doaj.org/article/c1922aab585c43b586a7a2fd9758f228
Autor:
Muhammad Wafiuddin Abd Rahim, Anas Abdul Rahman, Ayu Abdul-Rahman, Muhammad Izham Ismail, Mohd Shukry Abdul Majid, Nasrul Amri Mohd Amin
Publikováno v:
International Journal of Renewable Energy Development, Vol 12, Iss 1, Pp 129-143 (2023)
The flow field in the near wake region (up to six turbine diameters downstream) of a tidal current turbine is strongly driven by the combined wake of the device support structure and the rotor. Accurate characterisation of the near-wake region is imp
Externí odkaz:
https://doaj.org/article/46dc4ba488074231a5dee866eb04ce2f
Publikováno v:
Wind, Vol 2, Iss 4, Pp 733-746 (2022)
An accurate choice of the inflow parameters has been shown to affect the CFD results significantly. In this study, the actuator disk method (AD) is used to investigate the effects of the widely used inflow formulations, the logarithmic and power-law
Externí odkaz:
https://doaj.org/article/0b8ce327ce5744abb4495d313925b1f5
Publikováno v:
Energies, Vol 17, Iss 4, p 865 (2024)
A reduction in wake effects in large wind farms through wake-aware control has considerable potential to improve farm efficiency. This work examines the success of several emerging, empirically derived control methods that modify wind turbine wakes (
Externí odkaz:
https://doaj.org/article/c63eb9f23b7343faa422ccaacb7f28c4
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Publikováno v:
Flow, Vol 3 (2023)
Helical vortex systems, such as those found in the wakes of wind turbines, helicopter rotors and propellers, are subject to instabilities that lead to pairing between adjacent vortex loops. Certain modes of these instabilities can be triggered by an
Externí odkaz:
https://doaj.org/article/270ea0467aa54ebfb97857d6500d0088
Analysis of the kinetic energy recovery behind a tidal stream turbine for various submergence levels
Publikováno v:
International Marine Energy Journal, Vol 5, Iss 3 (2022)
Tidal turbines are commonly deployed at sea sites with water depths of up to 50 m to ease their deployment and quick maintenance operations. In these relatively shallow water depth conditions, the vertical expansion of tidal stream turbine wakes is r
Externí odkaz:
https://doaj.org/article/5c2a399612c94abe9658526be81304e4
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 8, p 1615 (2023)
The study of hydrodynamic characteristics of floating double-rotor horizontal axis tidal current turbines (FDHATTs) is of great significance for the development of tidal current energy. In this paper, the effect of roll motion on a FDHATT is investig
Externí odkaz:
https://doaj.org/article/cb93afd6bf714cbe95ba03ea56455a3e