Study on quasi-static analysis method of Wells turbine under unsteady flow

被引：0
|
作者：
Gao Y. [1 ,2 ]
Yu Y. [1 ,2 ]
Yu J. [1 ,2 ]
Li Z. [1 ,2 ]
Wu C. [1 ,2 ]
Xu L. [1 ,2 ]
机构：
[1] State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin
[2] Tianjin Key Laboratory of Port and Ocean Engineering, Tianjin University, Tianjin
来源：
Taiyangneng Xuebao/Acta Energiae Solaris Sinica | 2022年 / 43卷 / 01期
关键词：
CFD; Hysteretic behavior; Quasi-static analysis method; Turbines; Unsteady flow; Wave energy; Wells;
D O I：
10.19912/j.0254-0096.tynxb.2020-0043
中图分类号：
学科分类号：
摘要：
Taking Wells turbine as the research object, numerical simulation was achieved by solving the RANS equation and the Spallart-Allmaras model, and the quasi-static analysis method of Wells turbine under unsteady flow was studied. The accuracy of the computational model is verified by the grid independence analysis and comparison with the existing literature. The performance of Wells turbines under steady flow, oscillating flow and reciprocating flow conditions is calculated and compared. The results show that the chance of Wells turbines lagging under unsteady flow. The feasibility and limitations of the quasi-static analysis method for Wells turbines under unsteady flow are illustrated through the analysis of the influence of the flow frequency of the oscillating and reciprocating flows. Quasi-static analysis is more accurate for unsteady flow conditions at lower flow frequencies, but for higher flow frequencies the error is greater. © 2022, Solar Energy Periodical Office Co., Ltd. All right reserved.
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页码：213 / 218
页数：5
相关论文
共 13 条
  • [1] GATO L M C, WARFIELD V, THAKKER A., Performance of a high-solidity Wells turbine for an OWC wave power plant, Journal of energy resources technology, 118, 4, pp. 263-268, (1996)
  • [2] CURRAN R, GATO L M C., The energy conversion performance of several types of Wells turbine designs, Proceedings of the institution of mechanical engineers, Part A: journal of power and energy, 211, 2, pp. 133-145, (1997)
  • [3] KIM T H, SETOGUCHI T, KANEKO K, Et al., Numerical investigation on the effect of blade sweep on the performance of Wells turbine, Renewable energy, 25, 2, pp. 235-248, (2002)
  • [4] TAKAO M, SETOGUCHI T, KIM T H, Et al., The performance of Wells turbine with 3D guide vanes, The Tenth International Offshore and Polar Engineering Conference, (2000)
  • [5] CHEN Y, LI L, LIU Z., Numerical simulation of working performance on air turbine for wave energy conversion device, Water resources and power, 3, pp. 160-163, (2015)
  • [6] KIM T, SETOGUCHI T, KINOUE Y, Et al., Effects of blade geometry on performance of wells turbine for wave power conversion, Journal of thermal science, 10, 4, pp. 293-300, (2001)
  • [7] LIU Z., Experimental and numerical simulation study of shore type oscillating water column wave energy generating device, (2008)
  • [8] THAKKER A, FRAWLEY P, DALY D, Et al., A 2D CFD study of symmetrical airfoils PART H: in cascade flow, The Tenth International Offshore and Polar Engineering Conference, (2000)
  • [9] HU Q, LI Y, WEI F., Preliminary results of numerical simulations of a bio-mimetic wells turbine, ASME International Conference on Ocean, (2016)
  • [10] HU Q H, LI Y., Unsteady RANS simulations of Wells turbine under transient flow conditions, Journal of offshore mechanics and arctic engineering, 140, 1, pp. 0119011-01190111, (2018)
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