| As a clean and renewable energy,the ocean has a large energy density and a wide distribution;With the aggravation of the international energy crisis and the continuous derterioration of the environment,countries have increased the development of ocean energy.The use of ocean energy power generation technology,can ease the power crisis in the coastal areas,reduce the proportion of fossil energy in overall energy consumption in the system,Which in turn reduces the probability of environmental pollution and climate change resulting from the use of fossil fuels.This paper first reviews the prospects of ocean energy development and the current status of wave power generation technology and marine current energy generation technology at home and abroad by consulting domestic and foreign literatures;Secondly,in Zhejiang University of Technology hydrodynamic laboratory,involved in the development of wave energy converter and power generation device;Third,to participate in the development of the sea current energy converter and its power generation device.Through the theoretical analysis and the tank test,three kinds of hydraulic actuators and 16 combinations of different length connecting rod and different diameter with wave floating plate are designed.And the relationship between wave height,wavelength and wave period under different water depth and different frequency regular wave is carried out in the wave tank,and theoretically analyzed and compared.In addition,the influence of different frequency regular wave on the upwelling force with the wave plate is calculated,and the uplift force with the wave plate is given experimentally to get the factors that affect the water absorption and pressure water efficiency of the wave energy converter,initial get some rules;Fourth,involved in the development of hydro-generator set,combined with the wave head can design the height of the upper tank and the diameter of the water pipe.Fifthly,Anew type of current-flow turbine blade was designed and tested in a seawater tank. |
