Wind power and hydraulic power plants and methods of power production

FIELD: power engineering.

SUBSTANCE: invention relates to hydraulic power plants and methods of power production. The main element of the hydraulic power plant is aerodynamic surface in the form of a wing, in the body of which there is a channel that connects opposite surfaces of a wing. Water sucked into this channel rotates the turbine and the power generator connected to it. The plant may be stationary or mobile.

EFFECT: design improvement.

9 cl, 14 dwg

 

Area of technology

The present invention relates to renewable energy, namely the use of the movement of air masses (wind) to produce energy, in particular electrical, as well as to small hydropower.

The level of technology

From the history of wind energy it is known that the world's first wind turbine was built by the inventor of USA Charles Francis Bush in 1888. It was a building height of 18 metres, the generator could provide 12 kW of electrical power.

In the absence of or inadequacy of electric networks of wind energy has developed rapidly, to the 30th years of the 20th century of the wind power plant acquired its modern shape - located on a high tower, the layout of the turbine and generator in a single body with the brakes and transmission, and tracking system for the wind direction. Also an essential attribute was the use of batteries located at the bottom, usually of wind turbine blades have a span of 20 to 40 meters and are rotated at a speed of 10-20 rpm.

The main problem is the vast area of turbulent eddies propagating behind the generator. It is not possible to place them close to each other.

Another problem is that such structures can cause interference, and that�same cause of death of birds and insects.

In this regard, recently one of the areas of search for new solutions in wind energy, which already has a significant share in the total amount of electricity generated, was the creation of so-called bladeless wind turbines.

One example of these solutions is the system Power Windows, developed at the University of Wollongong, although the bladeless wind turbines it can be attributed with certain reservations, because it is not the complete abandonment of the blades, and the replacement of large blades on many small that can dramatically reduce the load on the supporting structures and apply them directly on the roofs and walls of buildings.

Another advantage is the modular design and the ability to add and connect the necessary number of modules in case of increased energy demand.

Example analtoying wind turbines is the development of the company's Wind Sheer, which has practically nothing in common with traditional. This unit is a curved pipe tapering cross section, which captures the air stream and directs it on the blade of an electric generator. The design is quite bulky and difficult oriented "in the wind".

Another example of a bladeless wind turbine is the development of americaneconomy Solar Aero Research (called "Fuller Wind Turbine" on behalf of the President of the fuller company).

At the heart of this device is somewhat augmented Tesla turbine, invented in 1913, which was created to produce energy from steam or compressed air, and fuller had adapted an old idea to the "taming" of wind energy.

Turbine Tesla is a set of a plurality of thin metal discs separated by small gaps, the flow of the working fluid or gas is supplied to the outer edge of the disc and passes through the gaps to the center, twisting and pulling due to the effect of the boundary layer drives themselves. In the center of the flow exits through the axial hole.

In the turbine fuller disks separated by spacers in the form of a wing that improves airflow, and furthermore creates additional torque on the shaft. The very same turbine installed in a duct, thrilling the air.

Small and micro hydroelectric power from a few kilowatts and above also are finding more widespread use in the local supply to individual consumers and small settlements.

Summary of the invention

The object of the present invention is to provide a wind energy plant, which would have the following advantages over known.

First, would exclude such drawbacks as bulky design and the negative impact of the harm, including not�Ko noted above, the risk to birds and insects, but a strong noise.

Secondly, would the performance of its mobile, not only for the purpose of relocation work, but also with the aim of creating or strengthening wind load due to the oncoming corner or in relation to the wind direction of movement of the installation.

Other advantages of the invention will be clear to experts from the following disclosure of the invention.

The invention is based on a new principle - build a wind power plant based on aerodynamic surfaces in the form of a wing. Under the "wing" here refers to the aerodynamic surface, usually intended for creating a lifting force of the aircraft due to the difference of the areas of one surface relative to another (top and bottom relative to the earth) and as a consequence due to the difference in velocities and pressures of the streams of air flowing over the wing. According to the invention it is proposed to connect these parts of the wing surface air channel. Due to the pressure difference, the portion of the air flow, around the part of the surface of the wing smaller area will be sucked into the channel and used to drive a turbine, causing the electric generator. Lift force acting on the wing, allows you to keep it in the air without the need for construction professionals�of intelligent designs. However, this does not preclude the wing and pinning on a special structure, such as a tower, pole.

As one of variants means "hold" the wind power plant above ground can be used flexible connection, in particular a rope, fastened one end to the wing; the other, the means of retention fixed on the ground. The specified cable can be used for attachment thereto of a cable for electric power ducts to the ground.

In one of possible embodiments of the invention the wing and the entire plant can be made mobile, in particular, mounted on the vehicle for locomotion by land or by water, while the wing can be or is connected with such means of a flexible coupling.

As one of variants of mobile money, "towing" the power plant, may be a flying machine.

Another one of the embodiments of the invention is the use of a wing of an aircraft, for example, of the glider as airfoils that provide not only flight, but also the generation of electricity by performing in the wing of the aircraft of the channel connecting the upper and lower surface of the wing having fluid communication with the turbine of the generator. Electricity consumers in this case can �be located directly on the aircraft, including the possibility of accumulation of electricity in traditional batteries.

The wing according to the invention,may be placed both horizontally or essentially horizontally, but also vertically or essentially vertically. It is advisable in the case of updraft, for example, in vertical pipes. It can also be located in tunnels and secured with walls or ceiling.

The principle underlying this invention, implement and in the case of placing the wing in the water flow, that is, in an embodiment, as the hydroelectric plant.

Brief description of graphic materials

The invention will be more clear to experts from the following description and the accompanying drawings, which depict:

Fig.1 - view of the aerodynamic surface (wing) side;

Fig.2 - the same is depicted turbine and generators;

Fig.3 - the same as in the embodiment of a wing with multiple airway channels and turbines;

Fig.4 - view of the wing from the side of the surface of greater area;

Fig.5 - view of the wing from the side of the surface of smaller area;

Fig.6 - mounting location on the support;

Fig.7 - installation of two aerodynamic surfaces;

Fig.8 - �e in the embodiment of a vertical arrangement of several aerodynamic surfaces;

Fig.9 is an embodiment of the installation of the mobile towing vehicle;

Fig.10 is a variant of the fastening of the aerodynamic surfaces in the tunnel;

Fig.11 is an embodiment of a wing with adjustable flaps;

Fig.12 - the same thing in a different position of the flap;

Fig.13 - illustrates one of the properties of the wing of the hydropower plant in a floating state;

Fig.14 - the same cruel when consolidating multiple wings under the water on the piers.

Detailed description of the invention

According to the invention a wind power plant includes: aerodynamic surface in the shape of a wing (1) in the body of which is made of at least one channel (2) connecting the portion of the surface of the wing (3) a smaller area with a portion of the surface of the wing (4) a larger area, the turbine (5) driven in rotation by an air stream created in the specified channel (2), electric generator (6) driven in rotation by a turbine (5), the funds sewer electric energy from the generator to the consumer (not shown) and means retaining the aerodynamic surface (wing 1) at a certain height above the ground, in particular in the form of a support (7).

The principle of operation is the following. Wing (1) focuses front relative to the direction of movement of air masses wind. As noted above, such funds are t�editionname for wind turbines and therefore not described here. Due to the difference of the squares of (3) and (4) of the wing the air pressure on the part (3) a smaller area is greater than the pressure on the part (4) a larger area, resulting in the intake air channel (2) connecting the specified parts of the wing.

Formed in the channel the flow of air causes the rotation button on the way a turbine (5) and, respectively, through the turbine, the electric generator (6).

Wing (1) may be located not only in open terrain, but in a confined space", in particular in pipelines, for example in ventilation shafts, in which the movement of air or in tunnels (10). Accordingly, the position of the wing (1) may be different. In open areas where winds flow essentially parallel to the surface of the earth, the wing will be located essentially horizontally, while part (3) of the smaller square will be turned to the earth, and the part (4) more space - from earth.

When installing in the pipeline orientation of the wing will be determined by the orientation of the pipeline, if the pipeline and, accordingly, the air flow in it is vertical, and the wing (its longitudinal axis) is oriented essentially vertically.

A variation of this arrangement of the system is its placement in tunnels (Fig.10).

Vertical or essentially vertical position of the wing (Fi�.8) cannot be ruled out and if the unit is in an open area for example in a mountainous area, characterized by a rising flow of air.

In addition to stationary installation according to the invention can be made mobile. In particular, such a design may be appropriate when a small force of the wind, when its speed is added to the speed of travel of the vehicle.

Naturally, it is necessary to consider the energy cost of moving the vehicle itself, and the fact that sewage generated electric power can be exercised only on the tool itself (available on consumers and traditional means of energy storage - batteries). This variant embodiment of the invention schematically shown in Fig.9, POS.8 marked vehicle, and POS.9 - flexible element (wire) connecting the vehicle and the wing (1). It is advisable to use the cable and for fastening an electrical cable (not shown).

The vehicle can be ground or floating and, finally, to represent an aircraft such as a glider or hang glider towing wing (1). An extreme case of this performance is the combination of the aerodynamic surface of the wind power installation and the wing of the aircraft, i.e., the execution right in the wing letat�apparatus suitable for professional channel (2) and placing it in the turbine (5), leading electric generator. Naturally, consumers energy in this case are a means of ensuring of flight of the aircraft and again the batteries.

Described installation can multiply, first, by performing in the wing of several of the air duct channels (see Fig.3), and secondly, through the use of multiple aerodynamic surfaces (see Fig.7 and 8).

Shown in Fig.11 and 12 an embodiment of a turntable with an adjustable flap (11) by rotation of the flap to change the ratio of parts (3) and (4) of the wing and, consequently, to regulate the lift of the wing and the speed of movement of air flow in the channel (2), and hence the power supplied to the electric generator 6. This contributes to the drag of the air flow provided by the flap when it is turned to the position shown in Fig.12.

One of the embodiments of the invention is the properties described above wing under water, in the stream of water (river, stream, channel) using the same design of the wing (see Fig.13 and 14). The difference of the squares of the parts of the wing, located opposite relative to its axis, creates a pressure difference of water on this surface, providing a "punching" of water with one part of the surface (high pressure) nadruhou part of the surface through the channel (2), guide the water to the turbine blades (5).

The wing (or wings) may be mounted on a support (Fig.14) or to be kept in floating condition of the flexible element attached to the bottom of the pond. The wing can also be attached to a moving vessel, and in this case to keep it in submerged position by using placed on it ballast.

Industrial applicability

Purge the model of the proposed facility (used in it's wing in a wind tunnel showed that the physical principle on which it is based, practically implement the present invention is industrially applicable.

Besides the mentioned advantages in the installation and utilization of its method of production of electrical energy.

The use of high-speed turbine eliminates the need for traditional gears in the transmission of rotation from the turbine to the generator.

"Flying" version of the installation allows you to place the wing on the heights with large wind speeds, which allows to increase its efficiency.

The simplicity of the design of the facility will have a positive impact on the technology and the cost of its manufacture.

An embodiment of the same principle of the hydropower plant provides electricity to consumers in those places where �use of water resources is economically preferable to the use of the wind.

1. Hydropower plant comprising:
at least one sunk in the water surface in the shape of a wing having two oppositely located relative to the longitudinal axis different parts of the square, and
made in the body of the wing channel connecting the specified parts of the wing, and mounted inside the wing turbine driven in rotation by the flow of water in said channel;
- an electric generator driven in rotation specified turbine;
- funds sewer electric energy to consumers;
- means for retaining the wings in the submerged condition.

2. Apparatus according to claim 1, which has a few of these wings, arranged in series or in parallel relative to the flow of water.

3. Apparatus according to claim 1 or 2, in which the means for retaining the wings in the immersed state is made in the form of a flexible element fixed at the bottom of the reservoir.

4. Apparatus according to claim 1 or 2, in which the means for retaining the wings in the immersed state is made in the form placed on the wing ballast of cargo.

5. Apparatus according to claim 1 or 2, the towed vessel.

6. Apparatus according to claim 1, which is provided with a rotary wing and adjustable flaps.

7. Method of production of electric energy, including:
use the surface in the form of a wing having two oppositely located about�relative to the longitudinal axis of parts of different sizes, and made in the body of the wing channel connecting the specified parts of the wing, and mounted inside the wing turbine;
immersing said surface in water, the relative movement of said surface and surrounding water in which the flow of water passing through the channel in the body of the wing, causes the rotation of the turbine and the generator.

8. A method according to claim 7, wherein the specified wing is immersed in the flowing water of a river, Creek, channel.

9. A method according to claim 7, wherein the specified wing towing with a vessel in a submerged condition.



 

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