Lansing, 1979 - Google Patents
Directivity of acoustic radiation from sourcesLansing, 1979
View PDF- Document ID
- 7955174428434739758
- Author
- Lansing D
- Publication year
- Publication venue
- VKI/AGARD Special Course
External Links
Snippet
The radiation properties of acoustic monopoles and dipoles are described. The directivity of radiation from these sources in a free field and in the presence of an absorptive surface is described. The kinematic effects on source radiation due to translation and rotation are …
- 230000000694 effects 0 abstract description 47
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Hubbard | Aeroacoustics of flight vehicles: theory and practice | |
Magliozzi et al. | Propeller and propfan noise | |
Brentner et al. | Helicopter noise prediction: the current status and future direction | |
Kurtz et al. | A review of aerodynamic noise from propellers, rotors, and lift fans | |
Meadows et al. | Aeroacoustic measurements of a wing-flap configuration | |
US4168939A (en) | Acoustically swept rotor | |
Carlson et al. | A wind-tunnel investigation of the effect of body shape on sonic-boom pressure distributions | |
Schmitz | The Challenges and Possibilities of a Truly Quiet Helicopter 29th Alexander A. Nikolsky Honorary Lecture. | |
Hubbard et al. | A review of rotating blade noise technology | |
Coe et al. | Pressure fluctuations underlying attached and separated supersonic turbulent boundary layers and shock waves | |
Hanson | Shielding of prof-fan cabin noise by the fuselage boundary layer | |
Drofelnik et al. | Measurement and modelling of aero-acoustic installation effects in tractor and pusher propeller architectures | |
Lansing | Directivity of acoustic radiation from sources | |
Lowson et al. | Wave forms for a supersonic rotor | |
CARLSON et al. | Wind-tunnel sonic-boom testing techniques. | |
Martinez et al. | An aeroacoustic model for high-speed, unsteady blade-vortex interaction | |
Isom et al. | Geometrical acoustics and transonic helicopter sound | |
Crighton et al. | The outlook for simulation of forward flight effects on aircraft noise | |
Simonich et al. | Helicopter rotor noise due to ingestion of atmospheric turbulence | |
Huber et al. | Exploring flight effects for installed jet noise using a wavepacket sound-source model | |
Tam et al. | Weakly nonlinear acoustic and shock-wave theory of the noise of advanced high-speed turbopropellers | |
Ahuja et al. | Integrated Computational Aeroacoustics for UAM Design. Part 1. Farassat F1A Formulation | |
Pogosyan et al. | Simulation of isolated propeller noise using acoustic-vortex method | |
Sijtsma | Beamforming on moving sources | |
Piddubniak et al. | Radiation of Sound During the Takeoff of an Aircraft |