Sonic-boom wave-front shapes and curvatures associated with maneuvering flight
Publisher: National Aeronautics and Space Administration, Scientific and Technical Information Branch, Publisher: For sale by the National Technical Information Service] in Washington, D.C, [Springfield, Va
Written in English
- Aerodynamics -- Mathematical models,
- Sonic boom -- Mathematical models,
- Shock waves -- Mathematical models
|Statement||Raymond L. Barger|
|Series||NASA technical paper -- 1611|
|Contributions||United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Langley Research Center|
|The Physical Object|
|Pagination||27 p. :|
|Number of Pages||27|
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Sonic-boom wave-front shapes and curvatures associated with maneuvering flight by Raymond L. Barger Download PDF EPUB FB2
Sonic-boom wave-front shapes and curvatures associated with maneuvering flight. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch ; [Springfield, Va.: For sale by the National Technical Information. Sonic-boom wave-front shapes and curvatures associated with maneuvering flight (NASA technical paper) [Raymond L Barger] on *FREE* shipping on qualifying offers.
Sonic-Boom Wave-Front Shapes and Curvatures Associated With Maneuvering Flight Raymond L. Barger Langley Research Center Hampton, Virginia NI A NationalAeronautics and SpaceAdministration Scientific and Technical Information Branch Buy Sonic-boom wave-front shapes and curvatures associated with maneuvering flight (NASA technical paper) by Raymond L Barger (ISBN:) from Amazon's Book Store.
Everyday low prices and free delivery on eligible : Raymond L Barger. Sonic boom Filed under: Shock waves Vector Polar Method for Shock Interactions With Area Disturbances (technical note DR 4; Berkeley: University of California, ), by Antoni K. Oppenheim and Paul A.
Urtiew (page images at HathiTrust). Browsing subject area: Pneumatics (Exclude extended shelves) You can also. Atmospheric turbulence conditions leading to focused and folded sonic boom wave fronts Andrew A.
Piacseka) diction of the probabilities of particular wave form shapes. Moreover, molecular relaxation and nonlinearity are incorpo- the case of a sonic boom wave front containing two ripple components is examined.
De-pending on the observer. Sonic boom N-wave recorded from the space shuttle Atlantis, Overpressure of 57Pa. Unweighted SPL dB.
(Young, ). At speeds just above Mach 1 the wind conditions, air temp and air pressure can have a significant influence on the shock waves generated by the object, and therefore the energy and propagation of a sonic boom. The impact of sonic boom needs carefully evaluated and precise noise regulations for sonic boom need to be devised.
In this context the EU integrated project HISAC (High Speed AirCraft) will try to find answers by modifications in aircraft design that limit the environmental impact of sonic boom. The sonic boom is a steady state phenomenon.
A sonic measurement program was conducted at Edwards Air Force Base. Sonic boom signatures, produced by F-4, F, F, F, F, F, SR, and T aircraft, were obtained under the flight. The leading edge of the wave or wave front is approximately spherical in shape, and the pressure disturbance propagates away from the source in a series of concentric spheres.
The speed of propagation of these waves, the sound speed, varies with the temperature and pressure of the air through which the waves travel. Sonic-boom wave-front shapes and curvatures associated with maneuvering flight (English Edition) eBook: National Aeronautics and Space Administration NASA: : Kindle-ShopFormat: Kindle.
Achetez et téléchargez ebook Sonic-boom wave-front shapes and curvatures associated with maneuvering flight (English Edition): Boutique Kindle - Science: at: Format Kindle.
Start studying chp 19 h/w. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The sonic boom is a sudden increase in pressure, and flying faster does increase the change in pressure across the shock, meaning louder volume.
In addition, the skinnier cone means that the wave is actually taking a more direct path (closer to a straight line between the source and ground) and the shorter distance will mean less dissipation. An oceanic depth sounding vessel surveys the ocean bottom with ultrasonic sound that travels m/s in seawater and finds a 10 second time delay of the echo to.
Gerald Whitham was first to systematically examine these multiple shock waves, which he called the F-function, generated by the complex nonaxisymmetrical configurations applicable to airplanes The U.S. Air Force conducted its earliest sonic boom flight test at Edwards AFB in with an F making in-flight measurements of another F Sonic booms have been generated by aircraft ever since the X-1 exceeded Mach 1 in Within a few years sonic boom was understood by aerodynamicists to be the shock wave pattern from the.
1 Raymond L. Barger, "Sonic-Boom Wave-Front Shapes and Curvatures Associated with Maneuvering Flight,’ NASA TP 1, Dec. Fig. 5 is from p.  James and Associates, ed., YF Experiments Symposium: A conference held at Dryden Flight Research Center.
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