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PROBLEMS
1. A building is 20 by 15 m and 15 m tall. You want to install a 10 kW wind turbine. How
tall of a tower and how far away from the building would you place it?
2. There are a number of trees (20 to 30 m in height) close to a house. You want to install a
10 kW wind turbine. What is the minimum height of the tower? What is the approximate
cost of that tower?
3. Refer to Figure 9.3 . The building is 15 m tall. What is the power reduction at 15 m height
at a distance of 60 m downwind? At 150 m downwind? Would it be cheaper to use a taller
tower or to move the location farther away from the building? Show all cost estimates.