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Floating wind power model developed by the CHN Energy Group is officially launched

Author : PCEC

20 July 2021

Recently, the world's first floating wind power integrated cage aquaculture demonstration prototype test model, developed by the CHN Energy Group, was officially launched in the Ocean Engineering Laboratory of Shanghai Jiaotong University, marking the official entry of the project into the model test stage.

Underwater debugging of test model – Image: CHN Energy Group
Underwater debugging of test model – Image: CHN Energy Group

The test uses a 1:40 scale model. The geometric scale error of the model does not exceed 1mm, the centre of gravity error does not exceed 3%, and the pitch and roll inertia radius error does not exceed 5%. The test process consists of two parts with net and no net in the pool test, a total of 154 working conditions. The test first calibrates the wave-making performance of the pool and the aerodynamic performance of the wind turbine, and conducts the static water attenuation test to determine the natural period and damping coefficient of the wind fishing platform system, and then simulates the interaction between the harsh ocean environment and the physical model in the laboratory. The testing process will involve wind, wave, and current load tests under working conditions and survival conditions, test the motion response of the wind fishing platform system, engine room acceleration, blade tip air gap, tower load, mooring system load and other key performance parameters, and predict the prototype response characteristics in actual sea conditions, and verify the accuracy of numerical calculations.

The project prototype is located in an offshore wind farm in Fujian Province, and the demonstration project is planned to be completed in 2022. It will be the world's first project that combines floating wind power and deep-water aquaculture, achieving the effect of combining fishery and aquaculture with energy. At present, the project has completed the conceptual design, preliminary design, wind turbine transformation and load iteration, and expert demonstration of the breeding system of the wind-fishing fusion platform. The results of the tank model test will be used in the next detailed design and production design work.

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