Question

21. Determine the power output of a wind turbine whose blades are 12 m in diameter and when the wind speed is 6 m/s, the air density at sea level is about 1.2 kg/m3, and the maximum nower coefficient for this wind turbine is 0.35.
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
21. Determine the power output of a wind turbine whose blades are 12 m in diameter...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 2. A wind turbine has the maximum power output at the rated speed of 12 m/s...

    2. A wind turbine has the maximum power output at the rated speed of 12 m/s and a rotor diameter of 82 meters. The cut-in and cut-out speeds for this type of wind turbine are 4 m/s and 23 m/s, respectively. The table below shows the annual wind data near a potential site for setting up a wind farm using this type of wind turbine and the power coefficient of the wind turbine at the specific wind speed. The air...

  • 3. A wind turbine has blades, which sweep out an area of diameter 25 m 25m...

    3. A wind turbine has blades, which sweep out an area of diameter 25 m 25m blades Fig. 5.1 (a) The wind is blowing directy towards the wind turbine at a speed of 12 m/s. At this wind speed, 7500 kg of air passes every second through the circular area swept out by the blades. U) Calculate the kinetic energy of the air travelling at 12 m /s, which passes through the circular area in 1 second Kinetic energy. The...

  • A very large wind turbine is used to extract power from the wind. The turbine has...

    A very large wind turbine is used to extract power from the wind. The turbine has a diameter of 120 meters. What is the maximum power this turbine can extract from the wind. Assume a wind speed of 10 m/s and the density of air is 1.2 kg/m3. 3.40 MW 6.80 MW 4.02 MW 7.52 MW

  • A wind turbine with a blade diameter of 50 m, tower height of 60 m and...

    A wind turbine with a blade diameter of 50 m, tower height of 60 m and wind speed of 10 m/s at ground level and the air density is 1.23 kg/m3 is operating. Calculate the actual power that can be harnessed from this wind turbine.

  • 14. A giant wind turbine generates electrical power with three blades with a diameter of 145...

    14. A giant wind turbine generates electrical power with three blades with a diameter of 145 m, and are designed to run safely when the outer end of a blade is moving at around 10 m/s. a. The wind turbine is allowed to begin spinning from rest up to its maximum safe speed over the course of 150 seconds. If this happens at a uniform rate, what is the angular acceleration of the blades, in radians per second? b. After...

  • the power coefficient of a wind turbine having a rotational speed of 2.1 rad/sec. Assume the...

    the power coefficient of a wind turbine having a rotational speed of 2.1 rad/sec. Assume the wind velocity is 12 m/s, the tip speed ratio 7.45, the air density 1.21 kg/m3 and the mechanical power extracted by wind turbine 2.5 MW?

  • A 20-m/sec wind speed enters a two-bladed, high speed wind turbine .What should be the rotor...

    A 20-m/sec wind speed enters a two-bladed, high speed wind turbine .What should be the rotor diameter of this turbine to attain power of 100 kW at power coefficient of 0.3? Also calculate the rotor speed and torque produced. Assume the density of Air 1.2 kg/m.

  • Questions. At a certain location, wind is blowing steadily at 10 m/s. a) Determine the mechanical...

    Questions. At a certain location, wind is blowing steadily at 10 m/s. a) Determine the mechanical (kinetic) energy of air per unit mass of a wind v turbine with 60-m-diameter blades at that location. b) Determine the mass flow rate of a wind turbine with 60-m-diameter blades at that location. Take the air density to be 1.25 kg/m². c) Calculate the specific volume of air. Take the air density to be 1.25 kg/m3. Wind Wind turbine Wind

  • The available power in a stream of wind of the same cross-sectional area as the wind...

    The available power in a stream of wind of the same cross-sectional area as the wind turbine can easily be shown to be Available power in watts P pU3 Td where U is the wind speed in m/s p is the density of air in kg/m d is the rotor diameter in m - a. If the temperature is 0°C, and the air density p at 0°C is 1.2754 kg/m', the available power is 225 kW, and the wind speed...

  • Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating...

    Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating at 21 rpm under steady winds at an average velocity of 14.7 m/s. The electrical power output from the generator is 350 kW. The efficiency of the gearbox is 93% and generator efficiency is 86%. Take the density of air to be 1.013 kg/m. Answer the following questions; use the white paper to work-out your calculations and then choose the correct answer from the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT