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Efficient use of wind energy to generate electrical power by means of wind tunnel effect and Coanda effect

Khadka, Naveen (2015). Efficient use of wind energy to generate electrical power by means of wind tunnel effect and Coanda effect. Bachelor of Engineering (4th Year Project) Thesis, Charles Darwin University.

Document type: Thesis
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Author Khadka, Naveen
Title Efficient use of wind energy to generate electrical power by means of wind tunnel effect and Coanda effect
Institution Charles Darwin University
Publication Date 2015-05
Thesis Type Bachelor of Engineering (4th Year Project)
Supervisor Singh, Jai
Narayan, Monishka Rita
Subjects ENGINEERING
0906 - Electrical and Electronic Engineering
Abstract Wind energy is one of the best substitutes for future energy sources as the fossil fuels are diminishing and their use for generating power is not environmentally friendly. Current wind turbines do not produce electricity all the time. Although the wind might be available for as much as 70% of the time, it is often not strong enough to operate the wind turbine at full capacity. The combination of absence of wind and inadequate wind strength means that even in a good location the wind turbine, over the course of a year, will generate only about 30% of the amount it could generate in a constant strong wind.

The power available from wind is proportional to the cubed of the wind speed. This project looks at increasing the speed of the wind by means of passive devices like venturi tube and making the speed of the wind inside the system constant by means of a built in small wind tunnel. By doing this the efficiency of the wind turbine would be greatly increased and if we can maintain the wind speed constant the power output would be constant over time.

The final outcome of this project is to build a wind power generation station which is small i.e. it could be installed in a house and could be integrated with the current wind turbine ventilation system. It is a challenging project but if successful, it will minimise the current disadvantages of wind turbines and open new gates for development in this regard.
Keyword wind energy
future energy source
wind turbines
wind speed
wind tunnel
venturi tube
wind turbine ventilation


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