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Aerovortex mill

a technology of aerovortex mill and aerovortex, which is applied in the direction of propellers, propulsive elements, water-acting propulsive elements, etc., can solve the problems of low mean annual wind speed and lack of reliable and efficient technology to harness the energy of the wind, so as to achieve efficient and cost-effective power production

Inactive Publication Date: 2006-03-30
KILARAS MICHAEL STAVROU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014] The use of a vortex generator device to generate vortices in the vicinity behind the wind mill rotor blades, can render the conventional wind mill a far more efficient device at low wind speeds. The same applies for a mechanism blowing high-speed air jet streams behind the wind mill rotor blades. By using these devices, the wind mill will be able to operate in an environment with winds in the lower speed spectrum (1 m / s<v<5 m / s) and at the same time produce electricity (power) efficiently and cost effectively.
[0015] The vortices as well as the jet streams generated by the proposed mechanism or device, in the vicinity behind the wind mill rotor blades, help accelerate the free stream air by lowering the static pressure in that region and hence inducing a suction effect. As a result, the wind mill's output performance is improved.

Problems solved by technology

As a result, areas with low mean annual wind speeds (below 4.5 m / s), are left with no reliable and efficient enough technology to harness the energy of the wind.

Method used

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Embodiment Construction

[0040] The paragraphs 0012 to 0019 that follow, provide necessary background information related to the invention in order to be fully understood. This introductory information naturally leads to a detailed description of the invention.

The Power Available in the Wind:

[0041] The following formula gives the total power contained in the Wind of a certain speed and through a given cross-sectional area.

PW=(½)*(Density)*A*V3 [0042] PW=Power available in the wind (W) [0043] Density=Density of air (Kg / m3). [0044] A=Swept rotor area (m2) [0045] V=Wind speed (m / s)

Power Produced by a Wind Mill:

[0046] The following formula calculates the power output from a wind mill given the available power in the wind.

PM=CP*PW [0047] PM=Power available from the wind machine (W) [0048] CP=Coefficient of performance of the wind mill

CP depends on a number of factors like the type of the wind mill (drag-based or lift-based) and the rotor used. The drag-based devices achieve their maximum performance ef...

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Abstract

The VIASAD / JETIASAD mechanism generates vortices / high speed jet streams in the vicinity behind the rotating wind mill rotor blades, in order to induce acceleration of the air hitting the wind mill rotor blades. The new idea here is the concept of using vortices or high-speed jet streams in order to create suction behind the wind mill rotor blades and eventually increase the speed of the incoming air flow. The consequences of this concept related to the way a wind mill functions, are the following: (1) It lowers the wind mill's cut-in wind speed, which means that the wind mill starts producing power at lower wind speeds. (2) Increase the wind mill power output for a given wind speed, and thus increase its efficiency. The VIASAD / JETIASAD mechanism renders the use of wind mills for generating electricity, economically viable and technically feasible in areas with low mean annual wind speeds.

Description

[0001] Aerovortex Mill: A Wind Mill using a device which generates high-speed air jet streams or vortices behind the rotor blades, inducing the increase of the free stream velocity of air (Wind) hitting the rotor blades. The vortex generator device is given the name VIASAD which stands for Vortex Induced Air Speed Amplification Device. The jet-stream generator device is given the name JETIASAD which stands for JET stream Induced Air Speed Amplification Device. The Aerovortex Mill using the VIASAD / JETIASAD device, can generate higher power output in regions with low mean annual wind speeds. CROSS-REFERENCE TO RELATED APPLICATIONS [0002] Not Applicable STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0003] Not Applicable [0004] REFERENCE TO SEQUENCE LISTING, A TABLE, OR A COMPUTER PROGRAM LISTING COMPACT DISC APPENDIX [0005] Not Applicable BACKGROUND OF INVENTION [0006] Wind constitutes one of the major sources of renewable or “green” energy production. Windmills are w...

Claims

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Application Information

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IPC IPC(8): B63H1/16
CPCF03D1/04Y02E10/72F05B2240/122
Inventor KILARAS, MICHAEL STAVROU
Owner KILARAS MICHAEL STAVROU
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