Answered: Determine the minimum height of the…

Engineering

Civil Engineering

Determine the minimum height of the turbine when the blades are turning.

Sustainable Energy

2nd Edition

ISBN:9781337551663

Author:DUNLAP, Richard A.

Publisher:DUNLAP, Richard A.

Chapter10: Wind Energy

Section: Chapter Questions

Problem 5P

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Concept explainers

Wind Energy

Wind energy is a renewable energy source that is used to generate electricity by wind power. The term, wind power, means utilization of kinetic energy of wind to generate electricity. Wind energy is termed renewable source energy because it can never be exhausted. There are other renewable energy sources, such as solar energy, geothermal energy, hydropower energy, and so on. All of them contribute to power the thermal energy stations to generate electricity.

Question

1. Determine the minimum height of the turbine when the blades are turning.
2. Determine the maximum height of the turbine when the blades are turning. Explain your answer.
3. Determine the diameter of the circle that is swept by the turning blades.
4. Determine the area of the circle that is swept by the turning blades by using the formula: Area =
π x (radius)^2, where π= 3,14.
5. Determine the circumference of the circle that is swept by the turning blade. Blades by using the
formula: Circumference = 2x π x radius, where π= 3,14. Round off to the nearest metre.

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