Diversion type double-shaft membrane oscillating water turbine

Abstract

The invention discloses a diversion type double-shaft membrane oscillating water turbine. A water turbine structure with a diversion function is formed by diversion covers, a water turbine support and a membrane blade structure. One diversion cover is arranged on each of the two sides of the water turbine support, and a rectangular opening is formed in one side of each diversion cover. An included angle between the plane where the side, provided with the rectangular opening, of each diversion cover and the plane where the axes of two rotary supporting shafts are located is an acute angle. Diversion blades are arranged at the openings of the diversion covers, and the diversion blades on the diversion covers, namely the arrangement position of the diversion covers are used for diverting water flow entering the water turbine support and accelerating water flow flowing to the upstream face. Meanwhile, the water flow flowing to the downstream face is reduced, and resistance is reduced. The membrane blade structure is combined, the same-direction torque can be borne on the downstream face and the upstream face, and therefore the efficiency of the whole machine is greatly improved. The water turbine is simple in structure, the flow velocity of the water flow flowing into the water turbine support can be increased through the diversion covers, therefore energy-gathered transmission is conducted, and the conversion rate of water flow transmission is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of ocean energy power generation, and in particular relates to a diversion type biaxial membrane swing water turbine. Background technique [0002] With the rapid development of urban modernization and industrialization, energy has already become an important factor affecting the rapid economic and social development. Commonly used traditional energy such as coal, oil, natural gas and other fossil fuels cannot be regenerated in a short period of time, and will cause damage to the natural environment while being consumed. For the sustainable development of the environment, it is imminent to develop alternative energy sources. [0003] As a new type of green renewable energy, ocean energy mainly includes tidal energy, tidal current energy and wave energy. my country has a long coastline and vast sea area, and has abundant ocean energy reserves. It is one of the areas with the highest power density of tidal c...

AI Technical Summary

Problems solved by technology

However, most of the existing vertical axis turbines use the circular rotation of the blades to convert the ocean current energy into mechanical energy. According to the existing research results, the main power generation area is the windward side, but the windward side accounts for a larger proportion of the circular rotation. Low, combined with the existence of a large interception area to generate resistance or no power, resulting in overall low efficiency

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