A method for quantifying the acoustic transfer function of a ducted rotor
β Scribed by D.B. Stephens; S.C. Morris
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 397 KB
- Volume
- 313
- Category
- Article
- ISSN
- 0022-460X
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π SIMILAR VOLUMES
A new and simple method to evaluate the acoustical source impedance in a duct is presented. In the method (termed the Four Load Method) the sound pressure level data measured downstream for four different length ducts, as acoustic loads, is used. The simplicity of the method is due to the fact that
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