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Flow-Structure Interaction Noise at Low Mach Numbers
| Content Provider | Semantic Scholar |
|---|---|
| Author | Howe, Michael S. |
| Copyright Year | 2003 |
| Abstract | Abstract : The method of compact Green's functions is described for calculating the sound produced by low Mach number turbulence interacting with a surface and by surfaces in relative motion. The method is very powerful and can supply analytical predictions of complex fluid-structure interaction noise, and can also be used to make acoustic predictions by postprocessing' data obtained from a numerical simulation of a hydrodynamic interaction. The theory is illustrated by cases of sound production by a vortex interacting with a sphere, by the linear and nonlinear theories of parallel vortex-airfoil interaction noise, the trailing edge noise produced by an airfoil of finite thickness and of arbitrary chord, and by the compression wave generated when a projectile is fired into a long duct. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.dtic.mil/dtic/tr/fulltext/u2/p014106.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
