In order to meet the power supply needs of marine monitoring submersible systems, an underwater wave energy capture system with few components and a simple structure is developed and designed for use in submersible beacons, and the system is environmentally friendly in terms of the working mass compared to wave energy generation devices using hydraulic systems. The system consists of a liquid capsule, a main body, a foundation and an energy transfer system, using water as the working mass. The system was tested in a laboratory wave tank and found to be suitable for long periods and large wave heights, with a maximum power of 0.20 m, 3.4 s and 5.2 W and a maximum efficiency of 0.08 m, 3.1 s and 25%. The power and efficiency of the system decreases rapidly as the depth of the bladder increases, providing a reference for subsequent practical applications.
Key words
ocean energy /
wave energy /
submerged /
bags
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References
[1] 游亚戈, 盛松伟, 吴必军. 海洋波浪能发电技术现状与前景[C]//第十五届中国海洋(岸)工程学术讨论会, 太原, 中国, 2011.
YOU Y G, SHENG S W, WU B J.Current status and prospects of marine wave energy generation technology[C]//Proceedings of the 15th China Ocean (Shore) Engineering Symposium. Taiyuan, China, 2011.
[2] 盛松伟, 张亚群, 王坤林, 等. “鹰式一号”波浪能发电装置研究[J]. 船舶工程, 2015, 37(9): 104-108.
SHENG S W, ZHANG Y Q, WANG K L, et al.Research on wave energy converter sharp eagle I[J]. Ship engineering, 2015, 37(9): 104-108.
[3] 杨绍辉, 何宏舟, 李晖, 等. 点吸收式波浪能发电技术的研究现状与展望[J]. 海洋技术学报, 2016, 35(3): 8-16.
YANG S H, HE H Z, LI H, et al.Research status and prospect of point absorber wave power generation technology[J]. Journal of ocean technology, 2016, 35(3): 8-16.
[4] 周宇, 宁德志, 张崇伟, 等. “蘑菇型”振荡水柱式波能转换装置水动力性能的解析研究[C]//第十八届中国海洋(岸)工程学术讨论会, 舟山, 中国, 2017.
ZHOU Y, NING D Z, ZHANG C W,et al.Analytical study on the hydrodynamic performance of "mushroom-type" oscillating water column wave energy conversion device[C]//Proceedings of the 18th China Ocean (Shore) Engineering Symposium (Previous). Zhoushan, China, 2017.
[5] KURNIAWAN A, CHAPLIN J R, GREAVES D M, et al.Wave energy absorption by a floating air bag[J]. Journal of fluid mechanics, 2017, 812: 294-320.
[6] KURNIAWAN A, CHAPLIN J R, HANN M R, et al.Wave energy absorption by a submerged air bag connected to a rigid float[J]. Proceedings mathematical, physical, and engineering sciences, 2017, 473(2200): 20160861.
[7] FARLEY F J M. The underwater resonant airbag: a new wave energy converter[J]. Proceedings of the Royal Society A: mathematical, physical and engineering sciences, 2018, 474(2215): 20170192.
[8] KURNIAWAN A, BROWN S, FOREHAND D, et al.Wave-structure interactions of flexible bags with elastic tendons: application to wave energy conversion[J]. Journal of waterway, port, coastal, and ocean engineering, 2021, 147(1): 04020045-04020054.
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