Experimental investigation of solidity and other characteristics on dual vertical axis wind turbines in an urban environment

Li, Shoutu; Li, Ye; Yang, Congxin; Wang, Qiang; Zhao, Bin; Li, Deshun; Zhao, Ruiying; Ren, Tongxin; Zheng, Xing; Gao, Zhiteng; Xu, Wenhao

doi:10.1016/j.enconman.2020.113689

Cited by 61 publications

(11 citation statements)

References 45 publications

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“…The wind turbine is near the ground, different from the horizontal where everything is on a tower 24 . In the study by Li et al, 26 a dual vertical axis wind turbine is investigated to confirm that vertical axis wind turbines have more advantages than a horizontal axis wind turbines.…”

Section: Different Wind Power Generationmentioning

confidence: 99%

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Review of FACTS technologies and applications for accelerating penetration of wind energies in the power system

Ghadimi

Gholami

Miveh

2023

Energy Science & Engineering

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Conventional energy resource problems made power system planners apply more renewable energy sources (RESs) in the power system. RESs have a significant impact on fulfilling the world's energy demand, protecting the environment at least in the exploration phase, and providing energy reliability as well as security for the new generation of power grids. In this regard, wind power generation is considered a promising solution. However, by increasing the share of wind power generation units in the power sector, some challenges, such as voltage problems, transient stability, increasing system losses, and line congestions can occur. Consequently, an alternative solution is required to accelerate wind power units' connections to the grid by preventing the problems caused by the penetration of wind power. In this regard, Flexible Alternating Current Transmission Systems (FACTS) devices can play an important role while they can improve power grid dynamic performance. This paper presents a review of the optimization techniques applied to accelerate the penetration of wind energy by exploiting FACTS devices. The topic identifies the objectives and optimization formulations, as well as schemes and models available in the published literature. This survey gives noteworthy insights to the researchers to cover available solutions in these regards. The literature in the field is summarized in different aspects, such as FACTS technology, objective functions, constraints, optimization methods, planning or operation purposes, and load flow types. At each aspect, a comparison is derived to recognize the most important issues. The result of the review is the finding of future work and contributions which can be done in the field of wind energy integration acceleration using FACTS devices and the output of the paper can be used as a guide for researchers to find a new path for research in this area.

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Section: Different Wind Power Generationmentioning

confidence: 99%

“…| 2221 et al, 26 a dual vertical axis wind turbine is investigated to confirm that vertical axis wind turbines have more advantages than a horizontal axis wind turbines.…”

Section: Vertical Axis Wind Turbinesmentioning

confidence: 99%

Review of FACTS technologies and applications for accelerating penetration of wind energies in the power system

Ghadimi

Gholami

Miveh

2023

Energy Science & Engineering

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“…Given the nature of wind indicators in cities (turbulence, roughness, wind speed, directionality, and seasonality), electricity generation forecasting at the macro level can be used to address erroneous estimations with relevant economic losses. However, there are studies that focused on the macroscale of the city-or countrywith satisfactory results, but they did not estimate the electrical energy produced [10,43], or they did not include an economic analysis, and thus, the feasibility of the projects is unknown [27,29,30]. To overcome this lack of contributions, the authors propose a methodological guide for urban wind projects (UWPs) with the aim of contributing to the scientific community and decision makers for matters of sustainable urban plans according to the following items:…”

Section: Guide For Urban Wind Projectsmentioning

confidence: 99%

Urban Wind: An Alternative for Sustainable Cities

2022

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The climate emergency has intensified the search for the generation of electricity from renewable energies in order to turn cities into sustainable cities. Small-scale wind power offers new opportunities for decentralized electricity production, avoiding dependence on the grid and transmission losses. Among viable locations within the urban environment, high-rise buildings are especially promising due to the elevated height and less turbulent wind conditions. They can also be integrated into the architecture of the building or as independent units in the urban environment. In this area, this work presents a methodology for determining the annual energy production of urban wind projects. The proposal is divided into four stages: location, wind and urban indicators, turbine selection and annual production estimation, and economic/environmental analysis. The evaluation of the solution is carried out for a Spanish case study. According to the results, more than 68,000 kWh/year can be generated with an investment recovery period of less than six years.

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“…[8][9][10] Hassanpour et al 11 optimized the aerodynamic performance of vertical axis wind turbines (VAWTs) and determined the best wind angle of vertical and horizontal distance of wind turbines. Li et al 12 believe that in an urban environment, dual VAWTs are expected to demonstrate more advantage than horizontal axis wind turbine. Twelve double VAWT wind tunnel tests and six isolated VAWT wind tunnel tests were carried out to study the effects of rotor robustness and other characteristics on the power output of reverse rotating double VAWT under the condition of low turbulence intensity and different rotor center spacing.…”

Section: Introductionmentioning

confidence: 99%

Study on aerodynamic performance of mine air duct horizontal axis wind turbine based on breeze power generation

Gui

Xue

et al. 2022

Energy Science & Engineering

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The development of wireless sensor network based on breeze power generation is of great significance to promote the development of the intelligent mine. According to the underground environment of coalmine, a small horizontal axis wind turbine with mine air duct was designed. The aerodynamic performance of the wind turbine was analyzed by constructing the three‐dimensional solid model of the wind turbine. The results show that under the condition of underground low wind speed. Outer basin: the air flow entering the air duct is accelerated and rectified, and the speed increases near the impeller. The pressure value at the front end of the blade is the largest and the pressure value at the rear end of the blade is the smallest. A certain range of negative pressure zone is formed at the rear end of the impeller, which is conducive to the operation of the wind turbine. After passing through the impeller, the speed of the air flow decreases and is the lowest near the impeller rotating shaft. Inner basin: the air flow speed gradually increases along the radial direction of the impeller center. The pressure at the front end of the blade is greater than the atmospheric pressure, which is conducive to facilitating the operation of the wind turbine. When the wind speed reaches the rated wind speed of the wind turbine, the power, torque, and output power of the wind turbine increase, which can provide effective power generation. Compared with other airfoils, NACA5505 airfoil has higher lift drag ratio and thrust coefficient. Compared with the wind turbine without air duct, the wind turbine with air duct has higher wind energy conversion and output power under the condition of low Reynolds number, which verifies the feasibility of the wind turbine with air duct.

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Experimental investigation of solidity and other characteristics on dual vertical axis wind turbines in an urban environment

Cited by 61 publications

References 45 publications

Review of FACTS technologies and applications for accelerating penetration of wind energies in the power system

Review of FACTS technologies and applications for accelerating penetration of wind energies in the power system

Urban Wind: An Alternative for Sustainable Cities

Study on aerodynamic performance of mine air duct horizontal axis wind turbine based on breeze power generation

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