Academic literature on the topic 'Vortex interactions'

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Journal articles on the topic "Vortex interactions"

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Scott, R. K., and D. G. Dritschel. "Vortex–Vortex Interactions in the Winter Stratosphere." Journal of the Atmospheric Sciences 63, no. 2 (2006): 726–40. http://dx.doi.org/10.1175/jas3632.1.

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Abstract This paper examines the interaction of oppositely signed vortices in the compressible (non-Boussinesq) quasigeostrophic system, with a view to understanding vortex interactions in the polar winter stratosphere. A series of simplifying approximations leads to a two-vortex system whose dynamical properties are determined principally by two parameters: the ratio of the circulation of the vortices and the vertical separation of their centroids. For each point in this two-dimensional parameter space a family of equilibrium solutions exists, further parameterized by the horizontal separatio
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ISHIKAWA, Hitoshi, Seiichiro IZAWA, Osamu MOCHIZUKI, and Masaru KIYA. "Vortex Ring-Vortex Tube Interactions." Transactions of the Japan Society of Mechanical Engineers Series B 68, no. 674 (2002): 2688–94. http://dx.doi.org/10.1299/kikaib.68.2688.

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Peng, Di, and James W. Gregory. "Vortex dynamics during blade-vortex interactions." Physics of Fluids 27, no. 5 (2015): 053104. http://dx.doi.org/10.1063/1.4921449.

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Rockwell, Donald. "VORTEX-BODY INTERACTIONS." Annual Review of Fluid Mechanics 30, no. 1 (1998): 199–229. http://dx.doi.org/10.1146/annurev.fluid.30.1.199.

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FRITTS, DAVID C., STEVE ARENDT, and ØYVIND ANDREASSEN. "Vorticity dynamics in a breaking internal gravity wave. Part 2. Vortex interactions and transition to turbulence." Journal of Fluid Mechanics 367 (July 25, 1998): 47–65. http://dx.doi.org/10.1017/s0022112098001633.

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A companion paper (Part 1) employed a three-dimensional numerical simulation to examine the vorticity dynamics of the initial instabilities of a breaking internal gravity wave in a stratified, sheared, compressible fluid. The present paper describes the vorticity dynamics that drive this flow to smaller-scale, increasingly isotropic motions at later times. Following the initial formation of discrete and intertwined vortex loops, the most important interactions are the self-interactions of single vortex tubes and the mutual interactions of multiple vortex tubes in close proximity. The initial f
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Verzicco, R., and P. Orlandi. "Wall/Vortex-Ring Interactions." Applied Mechanics Reviews 49, no. 10 (1996): 447–61. http://dx.doi.org/10.1115/1.3101985.

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This review article presents a state-of-the-art review of the ring and wall interactions in the case of normal and oblique collisions. The different approaches used to study this flow and the results obtained are described and discussed. These techniques span from flow visualizations to LDV measurements, direct numerical simulations, particle-in-cell vortex methods and viscous and inviscid interactions. The relevance of these basic flows to the comprehension of wall-turbulence is also described. Finally, further developments, such as interaction with a grooved surface and with a deformable wal
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BAMBREY, ROSS R., JEAN N. REINAUD, and DAVID G. DRITSCHEL. "Strong interactions between two corotating quasi-geostrophic vortices." Journal of Fluid Mechanics 592 (November 14, 2007): 117–33. http://dx.doi.org/10.1017/s0022112007008373.

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In this paper we investigate the interaction between two corotating quasi-geostrophic vortices. The initially ellipsoidal vortices are separated horizontally by a distance corresponding to the margin of stability, as determined from an ellipsoidal analysis. The subsequent interaction depends on four parameters: the vortex volume ratio, the vertical centroid separation, and the height-to-width aspect ratios of each vortex. The most commonly observed strong interaction is partial merger, where only part of the weaker vortex is incorporated into the stronger one or cast into filamentary debris. D
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TANG, S. K., and N. W. M. KO. "Sound sources in the interactions of two inviscid two-dimensional vortex pairs." Journal of Fluid Mechanics 419 (September 25, 2000): 177–201. http://dx.doi.org/10.1017/s0022112000001294.

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The sources of sound during the interactions of two identical two-dimensional inviscid vortex pairs are investigated numerically by using the vortex sound theory and the method of contour dynamics. The sound sources are identified and then separated into two independent components, which represent the contributions from the vortex centroid dynamics and the microscopic vortex core dynamics. Results show that the sound generation mechanism of the latter is independent of the type of vortex pair interaction, while that of the former depends on the jerks, accelerations and vortex forces on the vor
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Kivshar, Yuri S., Alexander Nepomnyashchy, Vladimir Tikhonenko, Jason Christou, and Barry Luther-Davies. "Vortex-stripe soliton interactions." Optics Letters 25, no. 2 (2000): 123. http://dx.doi.org/10.1364/ol.25.000123.

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Doligalski, T. L., C. R. Smith, and J. D. A. Walker. "Vortex Interactions with Walls." Annual Review of Fluid Mechanics 26, no. 1 (1994): 573–616. http://dx.doi.org/10.1146/annurev.fl.26.010194.003041.

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Dissertations / Theses on the topic "Vortex interactions"

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Affes, Habib. "Tip-vortex/airframe interactions /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487777170407828.

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Peng, Di. "Vortex Dynamics and Induced Pressure/Load Fluctuations During Blade-Vortex Interactions." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1408967632.

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Wu, Junxiao. "Numerical studies of plume-vortex interactions." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/11906.

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Thom, Alasdair D. "Analysis of vortex-lifting surface interactions." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/3037/.

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The interaction of a vortex with a lifting surface occurs in many aerodynamic systems, and can induce significant airloads and radiate impulsive noise. Yet due to their complex nature, the ability to accurately model the important flow physics and noise radiation characteristics of these interactions in realistic situations has remained elusive. This work examines two cases of vortex-lifting surface interactions by enhancing the capabilities of a high fidelity flow solver. This flow solver utilises high spatial discretisation accuracy with a 5th order accurate WENO scheme, and overset meshes t
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O'Reilly, Gerard Kieran Pullin Dale Ian. "Compressible vortices and shock-vortex interactions /." Diss., Pasadena, Calif. : California Institute of Technology, 2004. http://resolver.caltech.edu/CaltechETD:etd-05262004-145030.

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Pesce, Matthew M. "Unsteady pressure and vorticity fields in blade-vortex interactions." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03122009-040643/.

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鄧志剛 and Chi-kong Clief Tang. "The interactions of two perturbed vortex rings." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31241025.

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Tang, Chi-kong Clief. "The interactions of two perturbed vortex rings /." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22050474.

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Clough, Ray Charles 1950. "Vortex interactions in an axisymmetric water jet." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276978.

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An axially symmetric water jet was designed and constructed to complement an existing air jet facility. The water jet operates at Reynolds numbers, based on nozzle diameter, up to 50,000. The jet is forced at high levels by a reciprocating Scotch yoke mechanism. By using an output signal from the Scotch yoke as a phase reference, it is possible to obtain either phase-locked hot film data or phase-locked photographs of the dye-marked coherent vortical structures in the shear layer. By assuming zero azimuthal velocity, continuity allows reconstruction of the vorticity field from the data obtaine
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Chaluvadi, Venkata Siva Prasad. "Blade-vortex interactions in high pressure steam turbines." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621152.

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Books on the topic "Vortex interactions"

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Wilson, Miles. Mathematical modelling of bubble-vortex interactions. University of Birmingham, 1997.

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G, Macaraeg Michele, Hussaini M. Yousuff, and Langley Research Center, eds. Role of acoustics in flame/vortex interactions. National Aeronautics and Space Administration, Langley Research Center, 1993.

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Srinivasan, G. Computations of two-dimensional airfoil-vortex interactions. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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Jones, Henry Edward. Full-potential modeling of blade-vortex interactions. National Aeronautics and Space Administration, Ames Research Center, 1987.

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Jackson, Thomas L. Role of acoustics in flame/vortex interactions. Institute for Computer Applications in Science and Engineering, 1993.

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Srinivasan, G. Computations of two-dimensional airfoil-vortex interactions. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986.

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Jones, Henry Edward. Full-potential modeling of blade-vortex interactions. National Aeronautics and Space Administration, Ames Research Center, 1987.

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Jones, Henry Edward. Full-potential modeling of blade-vortex interactions. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Center, Langley Research, ed. Full-potential modeling of blade-vortex interactions. National Aeronautics and Space Administration, Langley Research Center, 1997.

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Jones, Henry Edward. Full-potential modeling of blade-vortex interactions. National Aeronautics and Space Administration, Ames Research Center, 1987.

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Book chapters on the topic "Vortex interactions"

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Rockwell, Donald. "Vortex-Edge Interactions." In Recent Advances in Aerodynamics. Springer New York, 1986. http://dx.doi.org/10.1007/978-1-4612-4972-6_5.

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Bühler, O. "Wave–Vortex Interactions." In Fronts, Waves and Vortices in Geophysical Flows. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11587-5_5.

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Modarres-Sadeghi, Yahya. "Vortex-Induced Vibrations." In Introduction to Fluid-Structure Interactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85884-1_4.

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Inoue, Osamu. "Direct Navier-Stokes Simulation of Sounds Generatei by Shock-Vortex / Vortex-Vortex Interactions." In Recent Advances in DNS and LES. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4513-8_3.

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Modarres-Sadeghi, Yahya. "Vortex-Induced Vibrations of Flexible Beams." In Introduction to Fluid-Structure Interactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85884-1_9.

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Aref, Hassan, and Ireneusz Zawadzki. "Vortex Interactions as a Dynamical System." In New Approaches and Concepts in Turbulence. Birkhäuser Basel, 1993. http://dx.doi.org/10.1007/978-3-0348-8585-0_12.

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Minota, T. "Experiments on Shock and Vortex Interactions." In Shock Waves @ Marseille IV. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79532-9_57.

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Ellzey, J. L., J. M. Picone, and E. S. Oran. "Simulation of shock and vortex interactions." In Shock Waves. Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77648-9_16.

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Voropayev, Sergey I., and Yakov D. Afanasyev. "Vortex dipole interactions in a stratified fluid." In Vortex Structures in a Stratified Fluid. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-2859-7_5.

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Wang, Yiqian, and Song Fu. "On the Thresholds of Vortex Identification Methods." In Fluid-Structure-Sound Interactions and Control. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7542-1_6.

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Conference papers on the topic "Vortex interactions"

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Stephenson, James, and Charles Tinney. "Extracting Blade Vortex Interactions using Continuous Wavelet Transforms." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9416.

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An extraction method is proposed to investigate blade vortex interaction noise emitted during helicopter transient maneuvering flight. The extraction method allows for the investigation of blade vortex interactions, independent of other sound sources. It is based on filtering the spectral representation of experimentally acquired full-scale helicopter acoustic data. The data is first transformed into time-frequency space through the wavelet transformation, with blade vortex interactions identified and filtered by their high amplitude, high frequency impulsive content. The filtered wavelet coef
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Droandi, Giovanni, Giuseppe Gibertini, Daniele Zagaglia, and Alex Zanotti. "Numerical Investigation of Perpendicular Blade-Vortex-Interaction on a Pitching Airfoil in Light Dynamic Stall." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11366.

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Computational Fluid Dynamics was used to investigate the effects of perpendicular blade vortex interactions on the aerodynamic performance of an oscillating airfoil. In particular, the test case studied was a stream-wise vortex impacting on the leading edge of a NACA 23012 airfoil oscillating in light dynamic stall regime, representing a typical condition of the retreating blade of a helicopter in forward flight. The results of time-accurate simulations were validated by comparison with particle image velocimetry surveys. The analysis of the numerical results enabled to achieve a detailed insi
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Erhard, Racheal, and Juan Alonso. "A Quasi-Prescribed Vortex Wake Method Capturing Rotor Wake Distortion." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1116.

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Prescribed vortex wake methods have historically provided rapid analysis for modeling rotor performance with reasonable accuracy suitable to conceptual and preliminary design. However, determining an appropriate wake geometry requires accurate prescription functions, often relying on empirical data. For distributed electric propulsion (DEP) and electric vertical takeoff and landing (eVTOL) aircraft, interaction effects of installed multi-rotor and rotor-wing systems can introduce significant wake distortion and deflection, which is not captured by a rigid or prescribed wake model. Force-free w
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Zhang, Jiaming, Ken Morita, Verdad C. Agulto, Kosaku Kato, and Makoto Nakajima. "Electron Dynamics of Ultrafast Vector Vortex Laser Irradiation." In JSAP-Optica Joint Symposia. Optica Publishing Group, 2024. https://doi.org/10.1364/jsapo.2024.19p_c43_6.

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The dynamical effects of lasers have garnered widespread attention, holding significant research value in fields such as optical tweezers (optical trapping), laser processing, and photonic nanojets [1,2]. Studies related to optical dynamical effects primarily focus on dielectric materials [3,4]. On the other hand, research on interactions between optical light and single-charged electrons is mainly focused on the conduction electron excitations in the semiconductors involving the quantum transitions, leaving their dynamics insufficiently explored. Recently, we reported an experiment using ultr
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CUTLER, A., and P. BRADSHAW. "Vortex/boundary layer interactions." In 27th Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-83.

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JOHNSTON, ROBERT, and JOHN SULLIVAN. "Propeller tip vortex interactions." In 28th Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, 1990. http://dx.doi.org/10.2514/6.1990-437.

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CATTAFESTA, III, L., and G. SETTLES. "Experiments on shock/vortex interactions." In 30th Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 1992. http://dx.doi.org/10.2514/6.1992-315.

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Peng, Di, and James Gregory. "Experimental Study of Vortex Dynamics during Blade-Vortex Interactions." In 52nd Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-1284.

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Thompson, Jack, and Edward P. DeMauro. "Experimental Investigation of Vortex Breakdown in Oblique Shock-Vortex Interactions." In AIAA AVIATION 2021 FORUM. American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-2850.

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Andersen, Jasmine M., Andrew A. Voitiv, Mark T. Lusk, and Mark E. Siemens. "Measurement of Vortex Interactions in Light." In Frontiers in Optics. OSA, 2019. http://dx.doi.org/10.1364/fio.2019.fw5f.2.

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Reports on the topic "Vortex interactions"

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Williamson, Charles H. Vortex-Surface Interactions: Vortex Dynamics and Instabilities. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada627306.

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Daily, John W. Vortex-Exhaust Nozzle Interactions in Ramjets Combustors. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada244987.

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Carnevale, George F. Vortex Generation Due to Coastal and Topographic Interactions. Defense Technical Information Center, 1997. http://dx.doi.org/10.21236/ada628389.

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Wilson, D., Vladimir Ostashev, Michael Shaw, et al. Infrasound propagation in the Arctic. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42683.

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This report summarizes results of the basic research project “Infrasound Propagation in the Arctic.” The scientific objective of this project was to provide a baseline understanding of the characteristic horizontal propagation distances, frequency dependencies, and conditions leading to enhanced propagation of infrasound in the Arctic region. The approach emphasized theory and numerical modeling as an initial step toward improving understanding of the basic phenomenology, and thus lay the foundation for productive experiments in the future. The modeling approach combined mesoscale numerical we
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Hand, M. M. Mitigation of Wind Turbine/Vortex Interaction Using Disturbance Accommodating Control. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/15006832.

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Zsoldos, J. S., and W. J. Devenport. An Experimental Investigation of Interacting Wing-Tip Vortex Pairs. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada258471.

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Gursul, Ismet. Interaction of Vortex Breakdown with a Flexible Fin and its Control. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada387213.

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Ghee, Terence A., Hugo A. Gonzalez, and David B. Findlay. Experimental Investigation of Vortex-Tail Interaction on a 76/40 Degree Double-Delta Wing. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada368657.

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