6-MW offshore wind turbine has a capacity factor of 40%. It has a height of 120 m, and 107-m long blades. The angular acceleration is 1.17 rad/s2. Assume that the distance from the center of the turbine to the connection with the blade is negligible, and that the turbine starts from rest. At t = 12 s, calculate the velocity and the acceleration for points (a) at half the length and (b) at the tip of the blade.

Q: i) Water from a reservoir is used to generate electricity at a small hydropower station at an…

A: i) To determine the minimum inside diameter of the new pipe, we can use the Darcy-Weisbach equation,…

Q: Mass of the plane: 150,000 kg Initial velocity 0 Final velocity: 100 m/s Distance traveled: 500 m…

A: mass of plane = 150000kg = 1471 kn s = 500m U = 0m/s V = 100m/sec

Q: A circular water tank of 2 m diameter has a circular orifice of diameter 0.1 m at the bottom. Water…

A: Qin = 20 litres/s = 20×10-3 m3/s.Dh = 0.1 mDT  = 2mCd = 0.8   To determine the height of water above…

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.