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4. A 4.5 MW, three-bladed horizontal axis wind turbine on Lake Erie shoreline has a tip diameter of 100 m and a rated wind speed of 12 m/s. Determine (a) the rated value of the power coefficient and compare this with the value at the Betz limit. Assume the air density is 1.2 kg/m³. (b) Using actuator disc theory, calculate the axial flow induction factor, a, and determine the static pressure difference across the disc at the rated wind speed.

4. A 4.5 MW, three-bladed horizontal axis wind turbine on Lake Erie shoreline has a tip diameter of 100 m and a rated wind speed of 12 m/s. Determine (a) the rated value of the power coefficient and compare this with the value at the Betz limit. Assume the air density is 1.2 kg/m³. (b) Using actuator disc theory, calculate the axial flow induction factor, a, and determine the static pressure difference across the disc at the rated wind speed.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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4. A 4.5 MW, three-bladed horizontal axis wind turbine on Lake Erie shoreline has a tip diameter of 100 m and a rated wind speed of 12 m/s. Determine (a) the rated value of the power coefficient and compare this with the value at the Betz limit. Assume the air density is 1.2 kg/m³. (b) Using actuator disc theory, calculate the axial flow induction factor, a, and determine the static pressure difference across the disc at the rated wind speed.
Transcribed Image Text:4. A 4.5 MW, three-bladed horizontal axis wind turbine on Lake Erie shoreline has a tip diameter of 100 m and a rated wind speed of 12 m/s. Determine (a) the rated value of the power coefficient and compare this with the value at the Betz limit. Assume the air density is 1.2 kg/m³. (b) Using actuator disc theory, calculate the axial flow induction factor, a, and determine the static pressure difference across the disc at the rated wind speed.
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