Wind lens power generation

''Wind Lens'' Wind Turbine Could Boost Energy

Introducing the potential turbine of the future; the ultra efficient Wind Lens designed by Kyushu University professor Yuji Ohya. According to Yuji Ohya and his team the Wind Lens' honeycomb-like structure could

Review on Wind Lens and an Empirical Model for Power

A wind lens turbine can generate 2-5 times, the power of an existing wind turbine for a given rotor diameter and the incoming wind speed. This paper has two parts the first part focusing on a

Power Output Enhancement of a Ducted Wind

A brimmed-diffuser augmented turbine (called a wind lens turbine: WLT) actively uses vortices around the brim to enhance its power output. However, the vortices are usually unstable and asymmetric. This study

Figure 1 from Wind lens technology and its application to wind

A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology. Y. Ohya T. Karasudani. Engineering, Environmental Science. 2010; We have developed a new wind turbine system that consists of a diffuser shroud with a broad-ring brim at the exit periphery and a wind turbine inside it.

Water turbines with a brimmed diffuser by using wind lens

As a result, the shrouded wind turbines equipped with a brimmed diffuser (called wind-lens turbine, WLT) demonstrated power augmentation for a given turbine diameter and wind speed by a factor of about 2-5 compared to a standard wind turbine. The mechanism of the wind-lens technology can also be applied to the water flow. Water-lens turbine

9kW lens wind turbine | 株式会社リアムウィンド

Actual annual power generation depends on installation conditions (surrounding topography, weather conditions, etc.). Based on our wind turbine power generation output curve and the annual average wind speed, we assumed the appearance of general wind (Weibull distribution or Rayleigh distribution), and calculated the power generation amount when connected to the

Improvement of Generating Efficiency of Vertical-axis Wind

Offshore large wind turbines attract lots of attention in the decarbonization business. But, the inland region gets left out of this movement. Limited places are suitable for onshore power generation with large propeller wind turbines in Japan. We shed light on vertical-axis small wind turbines which are relatively inexpensive and untroubled. The brimmed diffuser called "Wind

Towards development and optimization of the Savonius wind

The study concluded that the enclosed rotor contributed to improving the power coefficient of the rotor from 0.125 to 0.218. Similarly [41], have presented a wind-lens configuration for the

Performance analysis of various types of ducted wind turbines – A

Although INVELOX wind turbines produce less power than diffuser-augmented and nozzle lens wind turbines, they can gather wind from all directions without the necessity of a yaw mechanism. Building-mounted ducted wind turbines (BMDWT) make less power than diffuser-augmented and nozzle lens wind turbines, but they can be put on the roofs of

Review on Wind Lens for Horizontal Axis Wind Turbine

Yuji Ohya et al [1], presented A Shrouded Wind Turbine Generating High Output Power with Wind-Lens Technology in 2010. They have found a way to increase the efficiency of wind turbine by installing a shrouded diffuser (wind lens) at the exit periphery and the wind turbine inside it. A large boundary-layer wind tunnel was used.

15kW multi-lens wind turbine | 株式会社リアムウィンド

The wind collection effect of the lens and the fluid interference effect of the multi are combined, and the power generation amount is further increased by 10 to 20%. It has high potential as a wind turbine system, and we are conducting research toward its use as a 7-wheel multi-lens wind turbine and an offshore wind power system.

Review on Wind Lens and an Empirical Model for Power

Wind power generation is proportional to the third power of wind speed. The speeds at the blades are further increased by using Wind Lenses. A wind lens turbine can generate 2–5 times, the power of an existing wind turbine for a given rotor diameter and the incoming wind speed. This paper has two parts the first part focusing on a review of wind lens

Wind Lens: A turbine full to the brim with potential

Beyond the boost to power generation, the wagon-wheel-shaped Wind Lens is reckoned to have several other design strengths. At large scale, the brim not only provides yaw control — meaning changes in wind direction will cause the rotor to adjust "like a weathercock" — enhancing up-time, but also serves as a protective ring for the rotor, reducing the likelihood of

A Shrouded Wind Turbine Generating High Output Power with Wind-Lens

A Shrouded Wind Turbine Generating High Output Power with Wind-Lens Technology. Book Wind Turbine Technology. Click here to navigate to parent product. Edition 1st Edition. First Published 2014. Imprint Apple Academic Press. Pages 22. eBook

POWER GENERATION BY DIFFUSER AUGMENTED

Journal of wind engineering and industrial aerodynamics, volume 96, issue 1, January 2008, 1-24. 13) Yuji Ohya and Takashi Karasudani, 2010, "A Shrouded Wind Turbine Generating High Output Power with Wind

Effectual and Lossless Electrical Power Generation

Wind energy is playing a critical role in the establishment of an environmentally sustainable low carbon economy. This paper presents an overview of wind turbine generator technologies and compares their advantages and drawbacks used for wind energy utilization.

A Shrouded Wind Turbine Generating High Output Power with Wind-lens

A Shrouded Wind Turbine Generating High Output Power with Wind-lens Technology Ohya, Yuji Research Institute for Applied Mechanics, Kyushu University Karasudani, Takashi Wind power generation is proportional to the wind speed cubed. Therefore, a large increase in

(PDF) Wind lens technology and its application to wind

A Wind lens turbine can generate 2–5 times the power of an existing wind turbine given at the same rotor diameter and incoming wind speed. This fluid dynamical effect is also effective in...

SH''DUULHXVZLQG WXUELQHXVLQJZLQGOHQV

the wind-lens by varying parameters like configuration, flange width, diffuser open angle, diffuser length, inlet effect and location of wind-lens. Different NACA series airfoil is also examined with and without wind lens and suggested that NACA 0024 is suitable for wind-lens case in power coefficient improvement.

Review on Wind Lens and an Empirical Model for Power

Wind power generation is proportional to the third power of wind speed. The speeds at the blades are further increased by using Wind Lenses. A wind lens turbine can generate 2-5 times, the power of an existing wind turbine for a given rotor diameter and the incoming wind speed. This paper has two parts the first part focusing on a review of wind lens and the second part is

Wind lens technology and its application to wind and water

multiple Wind lens turbines in a same vertical plane to embody larger total power output. 1 Introduction We have been investigating the efﬁcient utilization of ﬂuid energy at the

A Shrouded Wind Turbine Generating High Output Power with Wind-Lens

The effect of concentrator-diffuser (C-D) of a shrouded wind turbine was studied. The main objective involved assessing the increment that this device induces in productivity of small wind turbines.

Performance Analysis of a Horizontal Axis Wind Lens Wind

Ohya Y, Karasudani T (2010) Shrouded wind turbine generating high output power with wind-lens technology. Energies 3(4):634–649. Article Google Scholar Hjort S, Larsen H (2014) A multi-element diffuser augmented wind

1kW lens wind turbine | 株式会社リアムウィンド

Single type 1kW lens wind turbine. It is compact, quiet, and capable of generating power even with weak wind. This small wind turbine is easy to install and can generate power from close by, and can be installed in a variety of locations,

3kW lens wind turbine | 株式会社リアムウィンド

Expected power generation (1 kW lens wind turbine and 3 kW lens wind turbine) Actual annual power generation depends on installation conditions (surrounding topography, weather conditions, etc.). The table below shows the amount of power generated based on our wind turbine power output curve and annual average wind speed, assuming a typical wind pattern (Rayleigh

[PDF] Wind power generator using horizontal axis wind turbine

This paper introduces the wind power generator using horizontal axis wind turbine with convergent nozzle. This paper brings a detailed theoretical and practical study of air concentrating nozzle and the optimum nozzle dimensions have been analyzed in detail. Commercial CFD software which is used for the nozzle with different tapering angle has also

Japan''s Next Generation of Renewable Energy

Wind lenses. At the end of 2009, the worldwide capacity of wind power generators stood at 159.2 gigawatts, generating 340 TWh per annum (equivalent to about 2 percent of worldwide electricity usage), according the World Wind Energy Association''s annual report.

Wind lens technology and its application to wind and water

toward the development of micro hydro power generation system and tidal current power generation system that are now under development at Kyushu University. 2.3 Mid-size next generation Wind lens project in Kyushu University For the purpose of practical application to a small- to mid-size wind turbine, we have developed a very compact Wind

Wind | An Open Access Journal from MDPI

This study integrates a 1 kW PMSG system with a wind lens to optimize power extraction from the wind energy conversion system (WECS) under varying wind speeds. This article investigates the construction of a wind power generator

A shrouded wind turbine generating high output power with wind-lens

Dive into the research topics of ''A shrouded wind turbine generating high output power with wind-lens technology''. Together they form a unique fingerprint. Energy Engineering Engineering 100%. Wind Earth and Planetary Sciences 100%. Development Engineering 66%. Applications

Wind lens power generation [PDF]

6 FAQs about [Wind lens power generation]

What is wind lens turbine?

Download scientific diagram | Wind lens turbine, the mechanism and its performance. from publication: Wind lens technology and its application to wind and water turbine and beyond | Wind lens is a new type of wind power system consisting of a simple brimmed ring structure that surrounds the rotor causing greater wind to pass through the turbine.

How much power can a wind lens turbine generate?

A Wind lens turbine can generate 2–5 times the power of an existing wind turbi... this purpose, we have developed a diffuser-type structure that is capable of collecting and accelerating the approaching wind.

What is a 100 kW wind lens turbine?

Currently, more advanced 100 kW Wind lens turbine is being designed and under development. This new model will have active pitch control system and semi-active yawing system. This new 100 kW Wind lens turbine will be also a part of multi rotor system (MRS) for larger rated power output.

What is a wind-lens turbine?

Wind-lens turbine is a compact shrouded turbine with enhanced performance than bare turbines at low wind speeds (Ohya et al. 2017). However, there is insufficient knowledge in the literate regards wind-lens turbines that can startup and rotate at wind speed less than 5 m/s.

Can a wind lens turbine be used in water?

The mechanism of the Wind lens can be applied in the water also. Development of shrouded water turbine is ongoing at Kyushu University. A water channel experiment with small Water lens turbine demonstrated 2.5-time power enhancement using the same diffuser design used in the Wind lens turbine .

What is a wind lens?

⁎ e-mail: [email protected] Abstract Wind lens is a new type of wind power system consisting of a simple brimmed ring structure that surrounds the rotor causing greater wind to pass through the turbine. As a consequence, the turbine's efficiency of capturing energy from the wind gets dramatically increased.