A "magic box" that can generate electricity by putting it in waves

After starting the switch, a wave-shaped trough with a length of about 50 meters forms a undulating wave under the effect of the control system, and a wave of “wave head” strikes a transparent “box” of nearly 1 meter in height, and after energy conversion, the “box” is connected. The LED lamp used for the test was lit.

Recently, four undergraduate boys at Ocean University of China teamed up to design a “miraculous box” that uses wave energy to generate electricity, and a caisson-type breakwater that also serves as a shore-type oscillating water column wave power generation device. With this work, they won the Grand Prize in the final of the “Second National University Water Conservancy Innovation Design Contest” held in Wuhan University. This is the first time that Qingdao students have won this award in this competition. The work also attracted the interest of professional companies in the industry and hopes to cooperate with them in research and development.

The "wave" power generation in the laboratory

At the Shandong Provincial Key Laboratory of Ocean Engineering at Dadishan Campus, the reporter saw the “Power Generation Box” which has just been awarded the University Water Conservancy Design Award. The design team is a four-year student of the Haida University Class 2008 Harbor Channel and Coastal Engineering Program: Li Xinlei, Li Yanping, Lu Xiaolong, and Xu Lihe. “It can be used as a seawall, but it can also use wave energy to generate electricity and change passive energy into active energy,” they said. According to the introduction, "The working principle of the whole installation is to use two conversions of wave energy, from wave energy to air kinetic energy, and then to electrical energy."

The main body of the wave energy power generation device model is a caisson type breakwater structure with a length of 80 cm, a height of 100 cm, and a width of 50 cm, similar to an empty tank-type compartment and a gas chamber, which is mainly made of an acrylic plate. Li Xinlei introduced the side of the demonstration and said, “There is a turbine and a gas pipeline installed above it, and the reciprocating flow of the rising air in the wave surface of the box will drive the one-way flow of the turbine to generate electricity.”

85 tons of coal in a province of green energy

“In my freshman year, in class, we learned the power of wave power generation for the first time. We also learned that the two different types of facilities, the breakwater and the wave power plant, were conducting their own research in parallel.” The gap between the research topics and the research has immediately aroused the interest of college students. Since 2010, Li Xinlei and other students have started research under the support of the undergraduate research development program.

Liu Ye said, “If the device can be successfully applied to engineering practice, the 5 sets of devices are expected to generate 250,000 kilowatt-hours of electricity per year, which can save 85 tons of coal and reduce 160 tons of carbon dioxide emissions. This will not only enable green energy to generate electricity. , And the benefits of energy saving and emission reduction are obvious."

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