(a) By considering the ratio of the areas A, and A, of Fig. 8.5, show that the optimum power extraction (according to linear momentum theory) per unit of area A, is 8/9 of the incident power in the wind. (b) Prove that the torque produced by a wind turbine rotor of radius R can be expressed as T=(/2) pC,R³u,2 12.

(a) By considering the ratio of the areas A, and A, of Fig. 8.5, show that the optimum power extraction (according to linear momentum theory) per unit of area A, is 8/9 of the incident power in the wind. (b) Prove that the torque produced by a wind turbine rotor of radius R can be expressed as T=(/2) pC,R³u,2 12.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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