A Note on the Effects of Local Blockage and Dynamic Tuning on Tidal Turbine Performance
A Note on the Effects of Local Blockage and Dynamic Tuning on Tidal Turbine Performance
复制标题
局部阻塞和动态调谐对潮汐涡轮机性能影响的说明
DOI:
10.1115/1.4047357
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Adcock T
中科院分区:
文献类型:
--
作者:
Adcock T
Numerical simulations are used to explore the potential for local blockage effects and dynamic tuning strategies to enhance the performance of turbines in tidal channels. Full- and partial-width arrays of turbines, modeled using the volume-flux-constrained actuator disc and blade element momentum theories, are embedded within a two-dimensional channel with a naturally low ratio of drag to inertial forces. For steady flow, the local blockage effect observed by varying the cross-stream spacing between the turbines is found to agree very well with the predictions of the two-scale actuator disc theory of Nishino and Willden (2012, “The Efficiency of an Array of Tidal Turbines Partially Blocking a Wide Channel,” J. Fluid Mech., 708, pp. 596–606). For oscillatory flow, however, results show that, consistent with the findings of Bonar et al. (2019, “On the Arrangement of Tidal Turbines in Rough and Oscillatory Channel Flow,” J. Fluid Mech., 865, pp. 790–810), the shorter and more highly blocked arrays produce considerably more power than predicted by two-scale theory. Results also show that, consistent with the findings of Vennell (2016, “An Optimal Tuning Strategy for Tidal Turbines,” Proc. R. Soc. A, 472(2195), p. 20160047), the “dynamic” tuning strategy, in which the tuning of the turbines is varied over the tidal cycle, can only produce significantly more power than a temporally fixed turbine tuning if the array has a large number of turbine rows or a large local blockage ratio. For all cases considered, trends are consistent between the two turbine representations but the effects of local blockage and dynamic tuning are found to be much less significant for the more realistic tidal rotor than for the idealized actuator disc.
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影响因子:
1.9
作者:
P. A. J. Bonar;T. Adcock;V. Venugopal;A. Borthwick
通讯作者:
A. Borthwick
DOI:
--
发表时间:
2015-09
期刊:
--
影响因子:
--
作者:
Edgar Perez-Campos;T. Nishino
通讯作者:
Edgar Perez-Campos;T. Nishino
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
A. Wimshurst;R. Willden
通讯作者:
R. Willden
DOI:
10.1098/rsta.2012.0176
发表时间:
2013
期刊:
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
影响因子:
--
作者:
S. Draper;A. Borthwick;G. Houlsby
通讯作者:
G. Houlsby
DOI:
10.1098/rspa.2013.0580
发表时间:
2014
期刊:
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
影响因子:
--
作者:
R. Vennell;T. Adcock
通讯作者:
T. Adcock