How cooling fan noises which have increased through use of higher speed engines in vehicles, are investigated at Schwitzer Corp; use of test fan having 18 1/2-in. diam, four blades, 5 1/4-in. wide blade stock and 32° chord angle; performance of various shape fans of from four to nine blades; advantages of variable speed device in terms of noise level; typical performance curve.
Fan noises and some of their cures
Soc Automotive Engrs -- Paper
Society of Automotive Engineers -- Meeting (Detroit Section) ; 1957 Noise
1957
7 pages
Conference paper
English
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