| With the continuous development of human society,the consumption of coal,oil and other fossil fuels is increasing,energy shortage and environmental pollution problems become more and more serious.Therefore,the development and utilization of clean and renewable energy is even more urgent.As one kind of clean energy,ocean wave energy has very rich storage and becomes the focus of research in many countries.However,random wave fluctuations,typhoons,tsunamis and other harsh marine environment factors,give rise to challenges of scientificalness,survivability,economical efficiency of the wave energy conversion device and directly influence the efficacy and cost of the conversion system,thereby determines the success or failure of whole technology.In this paper,the horizontal axis rotor turbine generator is mainly composed of the crossflow turbine rotor and the water channel.Through the combination design of the turbine rotor and inlet and outlet of the channel,the water flows back and forth in the channel and drives the rotor of hydraulic turbine to rotate in one direction.Then the rotor outputs a unidirectional torque that can be used to drive a electrical generator.By means of theoretical analysis,numerical simulation and physical model test,this paper studies the structure and hydrodynamic characteristics of the horizontal axis wave power generator device.This paper introduces the general situation of the development of wave energy conversion device,analyzes the advantages and disadvantages of various types of technologies,summarizes the research progress of wave power generation device of horizontal axis and proposes one kind of horizontal axis turbine rotor wave power generation device.Firstly,this paper introduces the development of wave energy conversion device,briefly introduces the advantages and disadvantages of various devices,introduces the research progress of horizontal axis rotor wave power generation device,puts forward the research content of this paper.Secondly,the water body in the runner is compared with the quality of the spring,and the restoring force of the spring model is regarded as the gravity of the water body.The mathematical model of the hydrodynamic oscillation of the horizontal rotor turbine is established by using the continuity equation of the fluid.The influence of frequency and the angle of inclination of the outlet of the flow channel are proposed.Next,this paper analyzes the force of the blade on the impeller.The numerical wave sink is established in the Fluent software.The VOF method,the sliding mesh technique and the turbulence model are used to write the UDF,and outputs the rotor speed and the torque in the simulation process,The torque size and impeller speed are used as a criterion for evaluating the performance of horizontal axis wave generators.In the course of the study,a variety of leaf and different impeller structures were designed according to the number,type,diameter and different impeller structure of different leaves,and the numerical simulation was carried out by Fluent software,and the results were analyzed.Finally,the measurement device is selected and the test model is made.The test is carried out in the wave-making tank.The assumptions made in the second chapter are verified,and the influence of the inclination angle of the different outlet channel on the performance of the device is analyzed. |
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