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 theformula: Circumference = 2x π x radius, where π= 3,14. Round off to the nearest metre. **Wind Energy in South Africa**Governments worldwide are trying to reduce their carbon dioxide emissions. As a result, South Africa is investing in alternative sources of electricity, like solar and wind power. The Vestas V112 wind turbine shown consists of an 84 m high hub with three 56 m long blades attached to its top. When the wind blows, the turning blades can generate up to 3.0 MW of electricity.**Diagram Explanation:**The diagram illustrates a wind turbine with the following components:- **Turbine Hub Height:** 84 m- **Blade Length:** 56 m- The blades are attached to the top of the hub, and their rotation is shown in a circular path.**Task:**Determine the minimum height of the turbine when the blades are turning.

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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.

**Wind Energy in South Africa**

Governments worldwide are trying to reduce their carbon dioxide emissions. As a result, South Africa is investing in alternative sources of electricity, like solar and wind power. The Vestas V112 wind turbine shown consists of an 84 m high hub with three 56 m long blades attached to its top. When the wind blows, the turning blades can generate up to 3.0 MW of electricity.

**Diagram Explanation:**

The diagram illustrates a wind turbine with the following components:

- **Turbine Hub Height:** 84 m
- **Blade Length:** 56 m
- The blades are attached to the top of the hub, and their rotation is shown in a circular path.

**Task:**

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

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