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Reduction of the tonal noise annoyance of axial flow fans by means of optimal blade spacing

✍ Scribed by Andrea Cattanei; Riccardo Ghio; Alessandro Bongiovı`


Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
810 KB
Volume
68
Category
Article
ISSN
0003-682X

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📜 SIMILAR VOLUMES


Reduction of interaction tones from axia
✍ P.E. Duncan; B. Dawson 📂 Article 📅 1975 🏛 Elsevier Science 🌐 English ⚖ 692 KB

A theoretical model is presented for investigating the acoustic radiation resulting from the fluctuating forces at a downstream stator row which has non-uniformly circumferentially spaced stator vanes. It is found that, under certain circumstances, judicious uneven distribution of the stator vanes c