Wind turbines positives

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Positive Impacts of Wind Turbines

Environmental Benefits of Wind Energy

Pollution-Free Power Generation

Wind turbines are a significant source of pollution-free electric power. They generate electricity without emitting harmful pollutants, which is a substantial advantage over fossil fuel-based power generation. This reduction in atmospheric emissions includes eight different air pollutants, contributing to cleaner air and a healthier environment .

Marine Ecosystem Impact

Offshore wind farms have mixed effects on marine life. Some wind farms serve as safe havens for marine species like porpoises, providing them with a protected environment. However, other wind farms have shown a decrease in harbor porpoise populations even after a decade of operation. This indicates that while there are positive impacts, the effects can vary depending on the specific location and design of the wind farm .

Psychological and Health Benefits

Influence of Positive Expectations

Research has shown that psychological expectations can significantly influence the health and mood of individuals exposed to wind turbine sounds. A study demonstrated that participants with positive expectations about wind turbine infrasound reported fewer symptoms and improved mood compared to those with negative expectations. This suggests that framing information about wind turbines in a positive or neutral light can mitigate reported health complaints and enhance overall well-being .

Technological Advancements in Wind Turbines

Improved Design and Efficiency

Recent advancements in wind turbine design, such as the Savonius vertical axis wind turbine, have shown promising results in enhancing performance. Modifications like a twisted rotor and a conical shaft have led to an 18% increase in power coefficient and a 31% increase in discharge flow rate compared to traditional designs. These improvements not only boost the efficiency of wind turbines but also expand their applications, such as in building ventilation systems .

Conclusion

Wind turbines offer numerous positive impacts, from environmental benefits like pollution-free power generation and potential marine ecosystem enhancements to psychological and health improvements influenced by positive expectations. Technological advancements continue to improve the efficiency and applicability of wind turbines, making them a vital component of sustainable energy solutions.

Sources and full results

Most relevant research papers on this topic

The power of positive and negative expectations to influence reported symptoms and mood during exposure to wind farm sound.

Positive expectations about infrasound exposure from wind farms can reduce symptoms and improve mood, while negative expectations can increase symptoms and deteriorate mood.

RCT

2014·

68citations

·Fiona Crichton et al.

Environmental impact of wind energy

Wind farms can provide pollution-free electric power and reduce air pollutants, but their impact on marine fauna varies and may affect precipitation, precipitation patterns, and human noise levels.

Highly Cited

2013·

165citations

·J. Mann et al.

Design and numerical investigation of Savonius wind turbine with discharge flow directing capability

A twisted Savonius wind turbine with conical shaft improves aerodynamic performance and discharge flow rate by 18% and 31% compared to a simple Savonius wind turbine.

Highly Cited

2017·

81citations

·M. Tahani et al.

Positive interactions of two Savonius-type vertical-axis wind turbines for performance improvement

Positive interaction between two Savonius-type vertical-axis wind turbines can significantly improve performance by up to 60% and overall power coefficient by 40% compared to a single, isolated turbine.

2019·

12citations

·H. Bai et al.

The Coriolis force and the direction of rotation of the blades significantly affect the wake of wind turbines

Positive yaw misalignment can increase annual energy production in wind farms, while negative misalignment reduces it, with the Coriolis force being more influential.

2020·

29citations

·R. Nouri et al.

Operations & Maintenance Optimization of Wind Turbines Integrating Wind and Aging Information

Our weather-centered O&M framework optimizes wind turbine operations and maintenance, maximizing revenue and reducing failure risks.

Highly Cited

2021·

110citations

·Gaoyang Li et al.

Sequence Impedance Modeling and Analysis of Type-III Wind Turbines

Type-III wind turbine sequence impedance models can help analyze and mitigate subsynchronous and supersynchronous resonances and control interactions with different grid types.

Highly Cited

2018·

111citations

·I. Vieto et al.

Improving wind farm power output through deactivating selected wind turbines

Selective deactivation of wind turbines can improve a wind farm's power output by reducing turbulent wakes under different wind conditions.

2019·

28citations

·Francisco Haces-Fernandez et al.

Wake steering via yaw control in multi-turbine wind farms: Recommendations based on large-eddy simulation

Positive yaw misalignment angles in wind turbines can increase power production and reduce wake losses, while negative angles cause net losses, with the most effective angles being +20° for front-row and +10° for deep-row turbines.

Highly Cited

2019·

82citations

·C. Archer et al.

Wind Turbine Fault Detection Using Highly Imbalanced Real SCADA Data

This paper proposes a fault detection methodology using imbalanced SCADA data to improve detection of alarms related to wind turbine main gearbox temperature, reducing false positives and false negatives.

2021·

38citations

·C. Velandia-Cardenas et al.

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