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Investigation on the hydrodynamic scaling effect of an OWC type wave energy device using experiment and CFD simulation

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  • Dai, Saishuai
  • Day, Sandy
  • Yuan, Zhiming
  • Wang, Haibin

Abstract

This paper presents a study of the effect of model scale on the performance of a fixed Oscillating Water Column (OWC) type Wave Energy Converter (WEC). Tank tests at two different scales, including the effect of scaling of the test tanks to minimise the bias introduced by different wave blockage effects. CFD simulations based on Reynolds Average Navier Stokes (RANS) method were then carried out for both scaled OWCs to investigate whether CFD simulation is able to reproduce the scale effect. Comparison between the tank test results and the CFD simulation results suggests that CFD simulation is capable of reproducing the hydrodynamic scaling effect with a good accuracy. Results also suggest that the hydrodynamic scaling effect is mainly introduced by the Reynolds number effect for cases investigated in the current study.

Suggested Citation

  • Dai, Saishuai & Day, Sandy & Yuan, Zhiming & Wang, Haibin, 2019. "Investigation on the hydrodynamic scaling effect of an OWC type wave energy device using experiment and CFD simulation," Renewable Energy, Elsevier, vol. 142(C), pages 184-194.
    • Handle: RePEc:eee:renene:v:142:y:2019:i:c:p:184-194
    DOI: 10.1016/j.renene.2019.04.066
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    References listed on IDEAS

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    Citations

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    2. Kharkeshi, Behrad Alizadeh & Shafaghat, Rouzbeh & Jahanian, Omid & Alamian, Rezvan & Rezanejad, Kourosh, 2022. "Experimental study of an oscillating water column converter to optimize nonlinear PTO using genetic algorithm," Energy, Elsevier, vol. 260(C).
    3. Zhan, Jie-Min & Fan, Qing & Hu, Wen-Qing & Gong, Ye-Jun, 2020. "Hybrid realizable k−ε/laminar method in the application of 3D heaving OWCs," Renewable Energy, Elsevier, vol. 155(C), pages 691-702.
    4. Mia, Mohammad Rashed & Zhao, Ming & Wu, Helen & Munir, Adnan, 2021. "Numerical investigation of scaling effect in two-dimensional oscillating water column wave energy devices for harvesting wave energy," Renewable Energy, Elsevier, vol. 178(C), pages 1381-1397.
    5. Peymani, Milad & Nikseresht, Amir H. & Bingham, Harry B., 2024. "A 3D numerical investigation of the influence of the geometrical parameters of an I-beam attenuator OWC on its performance at the resonance period," Energy, Elsevier, vol. 286(C).
    6. Dongsheng Qiao & Rizwan Haider & Jun Yan & Dezhi Ning & Binbin Li, 2020. "Review of Wave Energy Converter and Design of Mooring System," Sustainability, MDPI, vol. 12(19), pages 1-31, October.
    7. He, Fang & Pan, Jiapeng & Lin, Yuan & Song, Mengxia & Zheng, Siming, 2024. "Laboratory modelling of nonlinear power take-off damping and its effects on an offshore stationary cylindrical OWC device," Energy, Elsevier, vol. 296(C).
    8. Portillo, J.C.C. & Gato, L.M.C. & Henriques, J.C.C. & Falcão, A.F.O., 2023. "Implications of spring-like air compressibility effects in floating coaxial-duct OWCs: Experimental and numerical investigation," Renewable Energy, Elsevier, vol. 212(C), pages 478-491.
    9. Zeng, Yuxin & Shi, Wei & Michailides, Constantine & Ren, Zhengru & Li, Xin, 2022. "Turbulence model effects on the hydrodynamic response of an oscillating water column (OWC) with use of a computational fluid dynamics model," Energy, Elsevier, vol. 261(PA).
    10. Manimaran Renganathan & Mamdud Hossain, 2022. "Numerical Analysis of a Horizontal Pressure Differential Wave Energy Converter," Energies, MDPI, vol. 15(20), pages 1-14, October.
    11. Zhou, Yu & Ning, Dezhi & Liang, Dongfang & Cai, Shuqun, 2021. "Nonlinear hydrodynamic analysis of an offshore oscillating water column wave energy converter," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    12. Liu, Zhen & Xu, Chuanli & Kim, Kilwon & Choi, Jongsu & Hyun, Beom-soo, 2021. "An integrated numerical model for the chamber-turbine system of an oscillating water column wave energy converter," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).
    13. Orphin, Jarrah & Schmitt, Pál & Nader, Jean-Roch & Penesis, Irene, 2022. "Experimental investigation into laboratory effects of an OWC wave energy converter," Renewable Energy, Elsevier, vol. 186(C), pages 250-263.

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