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Wind Power for the World
book

Wind Power for the World

by Preben Maegaard, Anna Krenz, Wolfgang Palz
June 2013
Beginner content levelBeginner
676 pages
20h 39m
English
CRC Press
Content preview from Wind Power for the World
108
The Aerodynamic Research on Windmill Sails of Poul la Cour
Figure 4.15 Above: La Cour’s drawing of the pressure resultant lying over
the axis from his research report. Below: The author’s drawing
showing the pressure resultant lying to the favourable side of

4.6 The “Ideal” Windmill

follows:
(1) The resistant surfaces in the four sails should be as few as
possible, especially near the tip of the sail.
(2) The width of the sail should be nearly 1/4 or 1/5 of the
length of the sail, and almost same all over.
109
(3)
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Publisher Resources

ISBN: 9789814364935