Academic literature on the topic 'Kirchhoff vortex'
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Journal articles on the topic "Kirchhoff vortex"
Wan, Yieh-Hei. "Bifurcation At Kirchhoff Elliptic vortex with eccentricity." Dynamics and Stability of Systems 13, no. 3 (January 1998): 281–97. http://dx.doi.org/10.1080/02681119808806265.
Full textSTRAWN, ROGER C., RUPAK BISWAS, and ANASTASIOS S. LYRINTZIS. "HELICOPTER NOISE PREDICTIONS USING KIRCHHOFF METHODS." Journal of Computational Acoustics 04, no. 03 (September 1996): 321–39. http://dx.doi.org/10.1142/s0218396x96000106.
Full textOVCHINNIKOV, Y. N., and I. M. SIGAL. "The energy of Ginzburg–Landau vortices." European Journal of Applied Mathematics 13, no. 2 (April 2002): 153–78. http://dx.doi.org/10.1017/s0956792501004752.
Full textVladimirov, V. A., and K. I. Il'in. "Three-dimensional instability of an elliptic Kirchhoff vortex." Fluid Dynamics 23, no. 3 (1988): 356–60. http://dx.doi.org/10.1007/bf01054740.
Full textCrowdy, Darren, and Jonathan Marshall. "Analytical formulae for the Kirchhoff–Routh path function in multiply connected domains." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 461, no. 2060 (June 23, 2005): 2477–501. http://dx.doi.org/10.1098/rspa.2005.1492.
Full textLiang, Bin, Roger M. Waxler, and Paul Markowski. "A theory for the emission of infrasound from Tornadoes." Journal of the Acoustical Society of America 155, no. 3_Supplement (March 1, 2024): A202. http://dx.doi.org/10.1121/10.0027306.
Full textHong, Shuli, Jun Chi, Xin Xiang, and Weiyu Lu. "Theoretical Model and Numerical Analysis of the Tip Leakage Vortex Variations of a Centrifugal Compressor." Aerospace 9, no. 12 (December 15, 2022): 830. http://dx.doi.org/10.3390/aerospace9120830.
Full textNagem, Raymond, Guido Sandri, David Uminsky, and C. Eugene Wayne. "Generalized Helmholtz–Kirchhoff Model for Two-Dimensional Distributed Vortex Motion." SIAM Journal on Applied Dynamical Systems 8, no. 1 (January 2009): 160–79. http://dx.doi.org/10.1137/080715056.
Full textZhang, Xiaoxiao, Xiang Su, Zhensen Wu, and Shanzhe Wang. "Analyzing Vortex Light Beam Scattering Characteristics from a Random Rough Surface." Photonics 10, no. 9 (August 22, 2023): 955. http://dx.doi.org/10.3390/photonics10090955.
Full textFukumoto, Yasuhide. "Analogy between a vortex-jet filament and the Kirchhoff elastic rod." Fluid Dynamics Research 39, no. 7 (July 2007): 511–20. http://dx.doi.org/10.1016/j.fluiddyn.2006.12.004.
Full textDissertations / Theses on the topic "Kirchhoff vortex"
Martin, Martin Laura. "Numerical study of sound scattering by isolated elliptic vortices and turbulent jet shear layers." Electronic Thesis or Diss., Ecully, Ecole centrale de Lyon, 2024. http://www.theses.fr/2024ECDL0025.
Full textThis study is consecrated to the scattering of acoustic waves by isolated vortices and turbulent jet shear layers. When the acoustic waves pass through a volume of turbulence, the fluctuations in the turbulence change the propagation direction of the waves. In addition, if the turbulence evolves in time, there is also a change in the sound spectral content, causing spectral broadening. In order to better understand these phenomena, a series of numerical analyses have been carried out. For this purpose, a code provided by Siemens has been used where the Linearised Euler Equations are solved by the Discontinuous Galerkin method. It simulates the acoustic wave propagation over a base flow defined by the user. To take into account the spectral broadening, the code has been modified to be able to interpolate time-dependent external data in time and space onto the base flow. The interpolation has been tested by different convergence studies of the pressure field scattered by a 2-dimensional mixing layer. Other features have been also implemented to cope with the numerical instability waves caused by the inhomogeneity of the base flow. Initially, the scattering of acoustic waves caused by an isolated Kirchhoff elliptic vortex is investigated. When the vortex is fixed in space, the study focuses on the effects of the ellipticity, the orientation of the vortex regarding the direction of propagation of the incident acoustic wave, the tangential velocity of the vortex and its size regarding the acoustic waves. The scattering has been investigated also when the vortex is convected. Special attention has been devoted to its ellipticity and the velocity convection. The results show that the ellipticity and especially the orientation of the vortex play a key role in the scattering. Finally, the study of the scattering of sound by turbulent jet shear layers is conducted, where the acoustic source is located at the jet axis. For that, the data interpolated in the base flow of the DGM code belong to an external database of round jets simulated by LES. These jets have Mach numbers varying between 0.3 and 1.3, and their temperature is 1, 1.5 or 2.25 times the ambience temperature. These parameters modify the properties of the turbulent fluctuations. Therefore, the spectral content of these fluctuations is compared between the jets. After that, the pressure fields obtained with mean base flows and turbulent base flows, and the difference between them are presented. Their directivities are also discussed, as well as the spectra of the acoustic field. The spectra are characterized by a central tone at the source frequency and two lateral lobes. They are symmetric for high Mach numbers. The position of the lateral lobes shifts closer to the central tone and their levels increase with the jet temperature for jets with constant Mach number, which can be explained by the changes undergone by the turbulence fluctuations
Books on the topic "Kirchhoff vortex"
Zeitlin, Vladimir. Vortex Dynamics on the f and beta Plane and Wave Radiation by Vortices. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198804338.003.0006.
Full textBook chapters on the topic "Kirchhoff vortex"
Yang, Yisong. "Hamiltonian systems and applications." In Mathematical Physics with Differential Equations, 1–28. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780192872616.003.0001.
Full textConference papers on the topic "Kirchhoff vortex"
Li, Wenhua, Z. C. Zheng, and Ying Xu. "Flow/Acoustic Mechanisms in Three-Dimensional Vortices Undergoing Sinusoidal-Wave Instabilities." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43163.
Full textBidkar, Rahul A., Arvind Raman, and Anil K. Bajaj. "Aeroelastic Stability of Wide Webs and Narrow Ribbons." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35169.
Full textLee, Duck-Joo, Wan-Ho Jeon, and Ki-Hoon Chung. "Development and Application of Fan Noise Prediction Method to Axial and Centrifugal Fan." In ASME 2002 Joint U.S.-European Fluids Engineering Division Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/fedsm2002-31209.
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