By defining the coefficient of friction, which gives the variation of velocity with height, Interpret the above graph for α=0.3 in comparison with α=0.1. b) An anemometer at a height of 200 m from the ground measures 16 m/s wind speed. -5oC of air for the coefficient of friction of 0.25, assuming that it is at temperature; installed at a height of 50 meters and calculate the power that can be obtained from an ideal wind turbine generator with a diameter of 20 m. (Ignore the variation of temperature with altitude).
By defining the coefficient of friction, which gives the variation of velocity with height, Interpret the above graph for α=0.3 in comparison with α=0.1. b) An anemometer at a height of 200 m from the ground measures 16 m/s wind speed. -5oC of air for the coefficient of friction of 0.25, assuming that it is at temperature; installed at a height of 50 meters and calculate the power that can be obtained from an ideal wind turbine generator with a diameter of 20 m. (Ignore the variation of temperature with altitude).
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
a) By defining the coefficient of friction, which gives the variation of velocity with height,
Interpret the above graph for α=0.3 in comparison with α=0.1.
b) An anemometer at a height of 200 m from the ground measures 16 m/s wind speed. -5oC of air
for the coefficient of friction of 0.25, assuming that it is at temperature; installed at a height of 50 meters
and calculate the power that can be obtained from an ideal wind turbine generator with a diameter of 20 m.
(Ignore the variation of temperature with altitude).
Transcribed Image Text:100
10
ani, VNo
1,257
1,6
2,0
10 = D
a = 0,2
a3D0,3
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