As background technique is introduced, deficiency exists in the prior art, in order to solve technical problem as above, the application Double hydrofoil heaves-pitching couple movement oscillatory type tidal current energy generating equipment is proposed, which develops liquid metal magnetohydrodynamic It generates electricity applied to oscillatory type marine tidal-current energy.Double hydrofoil heaves-pitching couple movement in the device, converts trend flowing directly hydraulic The reciprocating motion of cylinder, and then it is converted into the reciprocating motion of liquid metal, it realizes and marine tidal-current energy is converted into electric energy. Liquid metal magnetohydrodynamic generation is that a kind of high conversion efficiency, power density be big, compact-sized, mobility is got well and is easy to Commercialization is promoted.Liquid metal magnetohydrodynamic generation has following technical characterstic: 1) using linear drives and direct-coupling, eliminate Intermediate conversion links eliminate mechanical impedance matching problem, simplify energy conversion process, improve system transfer efficiency, steady Qualitative and mobility；2) working fluid is single-phase liquid metal, avoids sliding between two-phase fluid and friction and heating power The separation for learning fluid, reduces energy loss, simplifies system structure.Thus, there is high generating efficiency and power density.
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- Equipment according to claim 1, wherein, the multiple flexible article is crenation bar fin
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding. First straight line acting cylinder 6, second straight line acting cylinder 7, third linear function hydraulic cylinder 5, the 4th straight line Acting cylinder 8 can be all made of piston-type hydraulic cylinder, and the first oscillating motor 3, the second oscillating motor 4 are all made of vane type The blade of oscillating motor, vane type oscillating motor is fixedly connected with hydrofoil, i.e. First straight line acting cylinder 6, second straight line acting cylinder 7, third linear function hydraulic cylinder 5, the 4th straight line Acting cylinder 8, the first oscillating motor 3, the second oscillating motor 4, the first access, alternate path, third path and the 4th Circulation has liquid metal 10 in access, and the first access, alternate path, third path and fourth passage are embedded at least one magnetic Fluid generating unit.
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Further, the column is equipped with the first the vertical chute, and horizontal connecting shaft is equipped in the middle part of first hydrofoil and passes through the One the vertical chute；The column is equipped with the second the vertical chute, and horizontal connecting shaft is equipped in the middle part of second hydrofoil and passes through second vertically Sliding slot. Further, the magnetohydrodynamic generator unit includes rectangular channel, is equipped with two opposite magnets on the outside of rectangular channel, Two opposite surfaces of rectangular channel inner wall are equipped with electrode slice, and electrode slice is connect with electric storage device.
A high internal resistance of the alloy results in minimization of eddy currents within the magnetostrictive components and resulting heat generation/energy loss. The method of pre-stressing the magnetostrictive core may include using other mechanical structural components. Gallium, terbium, or dysprosium doping may or may not be attractive for bulk applications where several tons of material will be needed for MW scale energy production. Specifically, the application of a compressive pre- stress impacts the magnetic permeability, and therefore the magnetic flux density (B) within the alloy for a given applied magnetic field (h). The method 800 includes tethering 805 a water flotation device 102 to an anchor 106 by a tether 104, wherein the tether 104 includes at least one magnetostrictive component 108. A magnetic property of the magnetostrictive component 108 is configured to change upon an applied force to the magnetostrictive component 108 along a direction within the magnetostrictive component 108. In one embodiment, the applied force is a tensile force applied to the magnetostrictive core 110 of the component 108. Other embodiments may apply a compressive force.
Prior work done on iron-aluminum alloys indicates that saturation magnetization may be maximized between 11 and 13% aluminum (see Figure 4). Fig. More important are parameters such as magneto-mechanical coupling coefficients (a measure of the energy that can be converted from magnetic energy to mechanical energy and vice versa), and the maximum magnetization change under applied tensile stress. The WEH 100 uses 810 the movement of the water flotation device 102, or buoyancy force, caused by motion of waves, wave height changes, or otherwise in conjunction with the force from the anchor 106 to create the applied force 706 and changes the magnetic property of the magnetostrictive component 108. Specifically, the applied force 706 changes a magnetic property of the magnetostrictive core 110 of the component 108. Because the applied force 706 changes the magnetic property of the component 108, the WEH 100 is able to create 815 electrical power using the change.. Dolor lumbar por infeccion urinaria