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Published **1991**
by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, DC], [Springfield, Va .

Written in English

- Acoustic radiation pressure.,
- Aerofoils.

**Edition Notes**

Statement | Hafiz M. Atassi and Shankar Subramaniam and James R. Scott. |

Series | NASA technical memorandum -- 103650. |

Contributions | Subramaniam, Shankar., Scott, James R., 1937-, United States. National Aeronautics and Space Administration. |

The Physical Object | |
---|---|

Format | Microform |

Pagination | 1 v. |

ID Numbers | |

Open Library | OL15294632M |

Acoustic radiation from lifting airfoils in compressible subsonic flow The far field acoustic radiation from a lifting airfoil in a three-dimensional gust is studied. The acoustic pressure is calculated using the Kirchhoff method, instead of using the classical acoustic analogy approach due to Lighthill. Acoustic radiation from lifting airfoils in compressible subsonic flow. The far field acoustic radiation from a lifting airfoil in a three-dimensional gust is studied. The acoustic pressure is calculated using the Kirchhoff method, instead of using the classical acoustic analogy approach due to Lighthill. Journal of Sound and Vibration () 41(4), ACOUSTIC RADIATION FROM AN AIRFOIL TURBULENT STREAM R. K. AMIET United Aircraft Research Laboratories, East Hartford, Connecticut , U.S.A. IN A (Receiced 8 October , attd in revised form 13 February ) A theoretical expression for the far-field acoustic power spectral density produced by an airfoil in a subsonic Cited by: Numerical computation of airfoil-gust compressible lift response. “Acoustic radiation from an airfoil in The approach is valid for compressible subsonic flows and the airfoil blade is.

The far-field acoustic radiation due to the interaction of upstream, unsteady vortical disturbances with an airfoil in subsonic, compressible flow is . Acoustic radiation from a thin airfoil in nonuniform subsonic flows. H. M. Atassi, Acoustic radiation from lifting airfoils in compressible subsonic flow. Acoustic radiation due to gust-airfoil interaction in compressible flow. Ramesh Agarwal and. Acoustic radiation due to gust-airfoil interaction in compressible flow. Acoustic radiation from lifting airfoils in compressible subsonic flow. HAFIZ ATASSI, Vector Aeroacoustics for a Uniform Mean Flow: Acoustic Intensity and Acoustic Power. Chen Xu. Books. AIAA Education Series; Library of Flight; Progress in Astronautics and Aeronautics; ESTIMATION TECHNIQUE FOR AERODYNAMIC SOUND RADIATION FROM A CYLINDRICAL BODY UTILIZING PARTIAL-SPAN CFD RESULTS: Its construction and validation through experimental analysis Acoustic radiation from lifting airfoils in compressible subsonic flow.

Computation of Trailing Edge Noise of a 3D Lifting Airfoil in Turbulent Subsonic Flow. (LES) of the compressible flow problem in the immediate acoustic source region and acoustic perturbation equations (APE) for the simulation of the acoustic radiation problem in space and time. The mean flow convection and refraction effects are part of. K. Karamcheti, “ Acoustic radiation from two-dimensional rectangular cutouts in aerodynamic surfaces,” NACA Report No. TN , Google Scholar; 5. J. Rossiter, “ Wind-tunnel experiments on the flow over rectangular cavities at subsonic and transonic speeds,” Aeronautical Research Council Report No. , Google Scholar; 6. D. The far-field acoustic radiation due to the interaction of upstream, unsteady vortical disturbances with an airfoil in subsonic, compressible flow is calculated using potential theory. Numerical computation of airfoil-gust lift response with applications to leading-edge noise generation. Acoustic radiation from a thin airfoil in nonuniform subsonic flows. Unsteady subsonic compressible flow around finite thickness wings.

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