Experimental results indicate that external noise can be reduced by correct fan design; noise levels were measured at distance of 7 m from locomotive body at height of 1.6 m above rail level; it was found that principal noise source was due to compressors; fan noise may be reduced by efficient airfoil sections, reduced number of blades and by reducing blade oscillations.
Reducing noise from locomotive cooling fans
Ry Gaz
Railway Gazette ; 123 , n 6 ; p 229-232
1967
4 pages
Article (Journal)
English
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