NASA NTRS · 19740008682
A comment on towers for windmills
Abstract
Design considerations for windmill tower structures include the effects of normal wind forces on the rotor and on the tower. Circular tabular or masonry towers present a relatively simple aerodynamic solution. Economic factors establish the tubular tower as superior for small and medium sized windmills. Concrete and standard concrete block designs are cheaper than refabricated steel structures that have to be freighted.
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Budgen, H. P.. 1973-12-01. A comment on towers for windmills. https://ntrs.nasa.gov/citations/19740008682
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