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| 1 | Pioneering Proposal of Floating Type Ocean Wave Power Station显示文摘 | Shun Okamoto Toshiaki Kanemoto | 2013 | Journal of Energy and Power Engineering2013，7，4： | 2 |
| 2 | Pneumatic Performance of Staggered Impulse Turbine for OWC Wave Energy Convertor显示文摘A staggered impulse turbine is proposed for asymmetric air flows in Oscillating Water Column wave energy plants, which is expected to enhance the pneumatic power output in a wave cycle. The setting angle of rotor blades is set as 5°. The 3D numerical simulations were conducted under steady conditions using MRF and Mixing Plane model based on CFD software Fluent 12.0. Its mean efficiencies under different velocity amplitude ratios are studied using quasi-steady analysis, which derive corresponding data from the numerical simulation. It is found that the staggered turbine shows better performance than the conventional one under the asymmetrical air flows. Furthermore, its mean efficiency and output-work in a wave period are compared with another unsymmetrical twin impulse turbine system. The results show that the staggered turbine shows better output-work performance than the twin turbine system over the high flow coefficient domain(φ>0.7), which provides more choices to future research on turbine's optimization. | CUI Ying LIU Zhen Beom-Soo Hyun | 2015 | Journal of Thermal Science2015，24，5： | 1 |
| 3 | Floating Type Ocean Wave Power Station Equipped with Hydroelectric Unit显示文摘The authors have invented the unique ocean wave power station,which is composed of the floating type platform with a pair of the floats lining up at the interval of one wave pitch and the counter-rotating type wave power unit,its runners are submerged in the seawater at the middle position of the platform.Such profiles make the flow velocity at the runner is twice faster than that of the traditional fixed/caisson type OWC,on the ideal flow conditions.Besides,the runners counter-rotate the inner and the outer armatures of the peculiar generator,respectively,and the relative rotational speed is also twice faster than the speed of the single runner/armature.Such characteristics make the runner diameter large,namely the output higher,as requested,because the torque of the power unit never act on the floating type platform.At the preliminary reseach,this paper verifies to get the power using a Wells type single runner installed in the model station.The runner takes the output which is affected by the oscillating amplitude of the platform,the rotational speed and the inertia force of the runner,etc. | Shun Okamoto Toshiaki Kanemoto Toshihiko Umekage | 2013 | Journal of Thermal Science2013，22，5： | 0 |
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