Relevant bibliographies by topics / Wave flows

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Wave flows'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Wave flows"

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Choi, J. E., M. K. Sreedhar, and F. Stern. "Stokes Layers in Horizontal-Wave Outer Flows." Journal of Fluids Engineering 118, no. 3 (September 1, 1996): 537–45. http://dx.doi.org/10.1115/1.2817792.

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Results are reported of a computational study investigating the responses of flat plate boundary layers and wakes to horizontal wave outer flows. Solutions are obtained for temporal, spatial, and traveling waves using Navier Stokes, boundary layer, and perturbation expansion equations. A wide range of parameters are considered for all the three waves. The results are presented in terms of Stokes-layer overshoots, phase leads (lags), and streaming. The response to the temporal wave showed all the previously reported features. The magnitude and nature of the response are small and simple such that it is essentially a small disturbance on the steady solution. Results are explainable in terms of one parameter ξ (the frequency of oscillation). For the spatial wave, the magnitude and the nature of the response are significantly increased and complex such that it cannot be considered simply a small disturbance on the without-wave solution. The results are explainable in terms of the two parameters λ−1 and x/λ (where λ is the wavelength). A clear asymmetry is observed in the wake response for the spatial wave. An examination of components of the perturbation expansion equations indicates that the asymmetry is a first-order effect due to nonlinear interaction between the steady and first-harmonic velocity components. For the traveling wave, the responses are more complex and an additional parameter, c (the wave speed), is required to explain the results. In general, for small wave speeds the results are similar to a spatial wave, whereas for higher wave speeds the response approaches the temporal wave response. The boundary layer and perturbation expansion solutions compares well with the Navier Stokes solution in their range of validity.
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MILES, JOHN. "Gravity waves on shear flows." Journal of Fluid Mechanics 443 (September 25, 2001): 293–99. http://dx.doi.org/10.1017/s0022112001005043.

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The eigenvalue problem for gravity waves on a shear flow of depth h and non-inflected velocity profile U(y) (typically parabolic) is revisited, following Burns (1953) and Yih (1972). Complementary variational formulations that provide upper and lower bounds to the Froude number F as a function of the wave speed c and wavenumber k are constructed. These formulations are used to improve Burns's long-wave approximation and to determine Yih's critical wavenumber k∗, for which the wave is stationary (c = 0) and to which k must be inferior for the existence of an upstream running wave.
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KAGHASHVILI, EDISHER KH. "Alfvén waves in shear flows: Driven wave formalism." Journal of Plasma Physics 79, no. 5 (May 16, 2013): 797–804. http://dx.doi.org/10.1017/s0022377813000500.

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AbstractThe driven wave formalism, as it was later applied to the solar coronal plasma processes, was first developed in our earlier work (Kaghashvili, E. Kh. 2007 Alfvén wave-driven compressional fluctuations in shear flows. Phys. Plasmas14, 44502) that presented the analytical solutions for the plasma density fluctuations. In the driven-wave formalism, we look for the short-term changes in the initial waveform due to the linear interaction of the initial natural mode of the system and the flow inhomogeneity. This formalism allows us to obtain the analytical solutions for the driven waves that are excited in the system. While a full set of driven wave solutions for magnetohydrodynamic variables in the cold plasma case were presented earlier (Kaghashvili, E. 2012c Driven wave-generated electric field in the solar corona. J. Geophys. Res. 117, A10103, doi:10.1029/2012JA018120), the purpose of this paper is to remove the cold-plasma restriction and to present the formal solutions for the initial linearly polarized Alfvén wave-driven fluctuations.
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Johnson, E. R., and G. G. Vilenski. "Two-dimensional leaps in near-critical flow over isolated orography." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 461, no. 2064 (September 20, 2005): 3747–63. http://dx.doi.org/10.1098/rspa.2005.1530.

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This paper describes steady two-dimensional disturbances forced on the interface of a two-layer fluid by flow over an isolated obstacle. The oncoming flow speed is close to the linear longwave speed and the layer densities, layer depths and obstacle height are chosen so that the equations of motion reduce to the forced two-dimensional Korteweg–de Vries equation with cubic nonlinearity, i.e. the forced extended Kadomtsev–Petviashvili equation. The distinctive feature noted here is the appearance in the far lee-wave wake behind obstacles in subcritical flow of a ‘table-top’ wave extending almost one-dimensionally for many obstacles widths across the flow. Numerical integrations show that the most important parameter determining whether this wave appears is the departure from criticality, with the wave appearing in slightly subcritical flows but being destroyed by two-dimensional effects behind even quite long ridges in even moderately subcritical flow. The wave appears after the flow has passed through a transition from subcritical to supercritical over the obstacle and its leading and trailing edges resemble dissipationless leaps standing in supercritical flow. Two-dimensional steady supercritical flows are related to one-dimensional unsteady flows with time in the unsteady flow associated with a slow cross-stream variable in the two-dimensional flows. Thus the wide cross-stream extent of the table-top wave appears to derive from the combination of its occurrence in a supercritical region embedded in the subcritical flow and the propagation without change of form of table-top waves in one-dimensional unsteady flow. The table-top wave here is associated with a resonant steepening of the transition above the obstacle and a consequent twelve-fold increase in drag. Remarkably, the table-top wave is generated equally strongly and extends laterally equally as far behind an axisymmetric obstacle as behind a ridge and so leads to subcritical flows differing significantly from linear predictions.
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Kandaswamy, Palani G., B. Tamil Selvi, and Lokenath Debnath. "Propagation of Rossby waves in stratified shear flows." International Journal of Mathematics and Mathematical Sciences 12, no. 3 (1989): 547–57. http://dx.doi.org/10.1155/s0161171289000682.

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A study is made of the propagation of Rossby waves in a stably stratified shear flows. The wave equation for the Rossby waves is derived in an isothermal atmosphere on a beta plane in the presence of a latitudinally sheared zonal flow. It is shown that the wave equation is singular at five critical levels, but the wave absorption takes place only at the two levels where the local relative frequency equals in magnitude to the Brunt Vaisala frequency. This analysis also reveals that these two levels exhibit valve effect by allowing the waves to penetrate them from one side only. The absorption coefficient exp(2πμ)is determined at these levels. Both the group velocity approach and single wave treatment are employed for the investigation of the problem.
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WEBB, G. M., E. Kh KAGHASHVILI, and G. P. ZANK. "Magnetohydrodynamic wave mixing in shear flows: Hamiltonian equations and wave action." Journal of Plasma Physics 73, no. 1 (February 2007): 15–68. http://dx.doi.org/10.1017/s0022377806004399.

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Abstract.Magnetohydrodynamic wave interactions in a linear shear flow are investigated using the Lagrangian fluid displacement ξ and entropy perturbation Δ S, in which a spatial Fourier solution is obtained in the frame of the background shear flow (Kelvin's method). The equations reduce to three coupled oscillator equations, with time-dependent coefficients and with source terms proportional to the entropy perturbation. In the absence of entropy perturbations, the system admits a wave action conservation integral consisting of positive and negative energy waves. Variational and Hamiltonian forms of the equations are obtained. Examples of wave amplification phenomena and sharp resonant-type wave interactions are obtained. Implications for the interaction of magnetohydrodynamic waves in the shear flow between fast, polar coronal-hole solar wind and slow, streamer belt solar wind are discussed.
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Yuan, Jing, Ole Madsen, and Eng Soon Chan. "EXPERIMENTAL STUDY OF TURBULENT OSCILLATORY BOUNDARY LAYERS IN A NEW OSCILLATORY WATER TUNNEL." Coastal Engineering Proceedings 1, no. 33 (October 18, 2012): 24. http://dx.doi.org/10.9753/icce.v33.waves.24.

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A new oscillatory water tunnel has been built in the Civil and Environmental Engineering Department’s Hydraulic Laboratory at the National University of Singapore. It can accurately produce oscillatory flows that correspond to full-scale sea waves. Tests including pure sinusoidal waves and combined wave-current flows over smooth and rough bottoms have been performed. High quality measurements of the boundary layer flow fields are obtained using a PIV system. The PIV measured flow field is phase and spatially averaged to give a mean vertical velocity profile. It is found that the logarithmic profile can accurately approximate the near-bottom first-harmonic amplitude of sinusoidal waves and give highly accurate determinations of the hydrodynamic roughness and the theoretical bottom location. The bottom shear stress obtained from momentum integral is in general agreement with results from log-profile fitting. The current profiles of combined wave-current flows indicate a two-log-profile structure as suggested by simple combined wave-current flow theory. The difference between the two current shear velocities obtained from combined wave-current flows, as well as a small but meaningful third harmonic embedded in a pure sinusoidal wave, suggest the existence of a time-varying turbulent eddy viscosity.
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YAO, LUN-SHIN. "A resonant wave theory." Journal of Fluid Mechanics 395 (September 25, 1999): 237–51. http://dx.doi.org/10.1017/s0022112099005832.

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Analysis is used to show that a solution of the Navier–Stokes equations can be computed in terms of wave-like series, which are referred to as waves below. The mean flow is a wave of infinitely long wavelength and period; laminar flows contain only one wave, i.e. the mean flow. With a supercritical instability, there are a mean flow, a dominant wave and its harmonics. Under this scenario, the amplitude of the waves is determined by linear and nonlinear terms. The linear case is the target of flow-instability studies. The nonlinear case involves energy transfer among the waves satisfying resonance conditions so that the wavenumbers are discrete, form a denumerable set, and are homeomorphic to Cantor's set of rational numbers. Since an infinite number of these sets can exist over a finite real interval, nonlinear Navier–Stokes equations have multiple solutions and the initial conditions determine which particular set will be excited. Consequently, the influence of initial conditions can persist forever. This phenomenon has been observed for Couette–Taylor instability, turbulent mixing layers, wakes, jets, pipe flows, etc. This is a commonly known property of chaos.
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FRACCAROLLO, L., and H. CAPART. "Riemann wave description of erosional dam-break flows." Journal of Fluid Mechanics 461 (June 25, 2002): 183–228. http://dx.doi.org/10.1017/s0022112002008455.

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This work examines the sudden erosional flow initiated by the release of a dam-break wave over a loose sediment bed. Extended shallow-water equations are formulated to describe the development of the surge. Accounting for bed material inertia, a transport layer of finite thickness is introduced, and a sharp interface view of the morphodynamic boundary is adopted. Approximations are sought for an intermediate range of wave evolution, in which equilibration of the sediment load can be assumed instantaneous but momentum loss due to bed friction has not yet been felt. The resulting homogeneous hyperbolic equations are mathematically tractable using the Riemann techniques of gas dynamics. Dam-break initial conditions give rise to self-similar flow profiles. The wave structure features piecewise constant states, two smoothly varied simple waves, and a special type of shock: an erosional bore forming at the forefront of the wave. Profiles are constructed through a semi-analytical procedure, yielding a geomorphic generalization of the Stoker solution for dam-break waves over rigid bed. For most flow properties, the predictions of the theoretical treatment compare favourably with experimental tests visualized using particle imaging techniques.
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TAM, CHRISTOPHER K. W., and LAURENT AURIAULT. "The wave modes in ducted swirling flows." Journal of Fluid Mechanics 371 (September 25, 1998): 1–20. http://dx.doi.org/10.1017/s0022112098002043.

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The small-amplitude wave modes inside a ducted inviscid compressible swirling flow are investigated. In order to avoid possible mathematical ambiguities arising from the use of an inviscid flow model, the wave modes are cast as the solution of an initial boundary value problem. Two families of propagating waves are found. The acoustic modes are supported by the compressibility effect of the flow. The rotational modes are sustained by the centrifugal force field associated with the mean flow rotation. Two cases, one with a free-vortex swirl and the other with a rigid-body swirl, are investigated in some depth. Numerical results are provided.
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Dissertations / Theses on the topic "Wave flows"

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Manca, Eleonora. "Effects of Posidonia oceanica seagrass on nearshore waves and wave-induced flows." Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/195257/.

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This work focuses on the effects of the large Mediterranean seagrass Posidonia oceanica on coastal waves and wave-induced flows, which has significant implications for coastal protection. Investigations were made on both a natural shallow Posidonia oceanica bed and, in controlled conditions of full-scale Posidonia mimics under regular and irregular waves. In the field, waves and currents were monitored during low energy conditions and a Mistral wind event. Data were collected on the distribution of Posidonia patches, density and canopy height, as well as bed sediment type and bathymetry. In the flume, measurements were made of water surface elevation along the flume and oscillatory flows at 3 locations and 4 elevations, under several wave conditions, water depths and for 2 canopy densities. The mimics were designed carefully to recreate the hydraulic behaviour of Posidonia plants under waves. Field results indicate that shallow Posidonia meadows are effective at reducing wave energy under low wave energy conditions and small wave amplitudes. The flume experiments confirm this trend. Under both regular and irregular waves, drag coefficients decrease with increasing Reynolds vegetation numbers; wave dissipation factors decrease with wave orbital amplitude. Under spectral waves, most wave energy dissipation occurs at the peak spectral frequency and it is largest for the least energetic wave spectra. At high wave Reynolds numbers, the canopyinduced hydraulic roughness (r) appears to be a function of the canopy element density only, and the empirical formula of Nielsen (1992) is successfully applied. However, more work is required in low energy conditions to examine the range of validity of the formula. In natural conditions under small amplitude waves, attenuation of wave-induced flows is negligible in the upper canopy; flume experiments confirm this trend. The typical flow intensification at the canopy top, measured for other seagrasses, occurs only for tests with the largest wave amplitudes, whilst, under smaller waves, flow intensification is located within the upper part of the canopy. In the lower canopy, flows are always reduced and flows decelerate exponentially with increasing orbital amplitude. This is a novel observation in flexible canopies. The artificial canopy, like the natural Posidonia bed, enhances flow asymmetries at the canopy top, especially under waves with large wave orbital amplitudes. This is thought to be a mechanism to enhance shoreward drift. Turbulence in the artificial canopy, under regular waves, peaks at the canopy top, as occurs under unidirectional flows and for other seagrass beds exposed to waves. Vertical turbulent exchanges are enhanced at the edge of the seagrass patch and are larger for lower submergence ratios (the ratio of canopy height to water depth). A reduction in submergence ratio in the flume, also causes increased shear stresses at the top of the canopy, lower wave height decay and reduced oscillatory flow attenuation in the lower part of the canopy. The denser canopy, in the conditions tested, increases relative roughness (r/A), wave attenuation, in canopy oscillatory flow reduction and turbulent kinetic energy at the top of the canopy. Oscillatory flows characterised by small orbital amplitudes can penetrate further into the canopy than larger orbital velocities, inducing a larger drag, thus increasing wave dissipation, as proposed for rigid canopies (corals). This is manifested as a thinner canopy boundary layer under small orbital amplitude waves than the large amplitude waves. A conceptual model is proposed to summarise these findings. Under storm conditions Posidonia is believed to be less efficient at reducing wave energy, however it remains effective at reducing sediment transport locally and, by inducing a preferential shoreward drift, at preventing sand dispersal offshore
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Aldridge, Christopher John. "Density-wave oscillations in two-phase flows." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260741.

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Moroney, Gerard. "Internal wave wakes in stratified shear flows." Thesis, University of Liverpool, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399177.

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Wikramanayake, Palitha Nalin. "Turbulent wave-current bottom boundary layer flows." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/14353.

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Stephen, Adam Vercingetorix. "POD methods in baroclinic flows." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302401.

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Dominy, Robert Gerald. "Rarefied hypersonic shock wave and blunt body flows." Thesis, Imperial College London, 1988. http://hdl.handle.net/10044/1/47034.

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Ingram, David M. "Numerical prediction of blast wave flows around rigid structures." Thesis, Manchester Metropolitan University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332898.

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Forster, Graham Keith. "Instability and wave-growth within some oscillatory fluid flows." Thesis, University of St Andrews, 1996. http://hdl.handle.net/10023/14087.

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Oscillatory fluid flows arise naturally in many systems. Whether or not these systems are stable is an important question and external periodic forcing of the flow may result in rich and complicated behaviours. Here three distinct oscillatory fluid flows are examined in detail, with the stability of each being established using a range of analytical and computational methods. The first system comprises standing surface capillary-gravity waves in second-harmonic resonance subject to Faraday excitation. Using the perturbation technique of multiple scales, the amplitude equations for the system are derived. At exact resonance, and with the absence of damping, the only fixed point of the equations is found to be the origin. A computational approach reveals that the amplitudes of the two waves remain either bounded or grow to infinity depending on initial data. With the introduction of detuning and damping into the system families of fixed points now exist and some special cases are considered. The second class of flows are unbounded time-periodic flows with fixed ellipsoidal stream surfaces, and having spatially uniform but time-periodic strain rates. Using a recently developed method based on theoretical study of the Schrodinger equation with quasi-periodic potential, a computational approach is adopted which determines the stability of the flow to three-dimensional plane wave disturbances. Results for the growth rate and winding number of the disturbance clearly reveal the regions of instability. It is found that almost all these flows are highly unstable. The third class is another set of three-dimensional time-periodic flows with spatially uniform strain rates. These flows are non-axisymmetric and have sinusoidally-fluctuating rates of strain directed along the fixed coordinate axes. The same computational method is employed and it is found that instability increases along with the non-axisymmetric nature of the flow.
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Mavromoustaki, Aliki. "Long-wave dynamics of single- and two-layer flows." Thesis, Imperial College London, 2011. http://hdl.handle.net/10044/1/6452.

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Thin-film flows are central to a number of industrial, biomedical and daily-life applications, which include coating flow technology, enhanced oil recovery, microfluidics, and surfactant replacement therapy. Though these systems have received a lot of attention in a variety of settings, the understanding of the dominant physics governing the flows is not completely thorough; this is especially true in cases where the free surface of the film or, in two-layer flows, the fluid-fluid interface is susceptible to instabilities leading to the break-up of the film and the formation of fingering patterns. The elucidation of the underlying mechanisms behind the onset of these instabilities is of utmost importance to several industrial processes. The work in this thesis focusses on modelling the dynamics of thin-film flows in the presence of complexities; the latter arise from the presence of surface-active chemicals and spatial confinement. The lubrication approximation, which is valid in the limit of small film aspect ratios, is used to simplify the governing equations; this facilitates the derivation of an evolution equation for the interfacial position. This methodology is employed extensively in the present thesis to examine co- and counter-current two-layer flows in a closed, rectangular channel and the dynamics of a thin film laden with surfactant, driven to climb up an inclined substrate. In the two-fluid case, the dynamics of the flow are described by a single, two-dimensional, fourth-order nonlinear partial differential equation. Analysis of the one-dimensional flow demonstrate the existence of travelling-wave solutions which take the form of Lax shocks, undercompressive shocks, and rarefaction waves. In unstably-stratified cases, a Rayleigh-Taylor mechanism spawns the formation of large-amplitude capillary waves. A wide range of parameters is studied, which include the density and viscosity ratios of the two fluids, the flow configuration (whether co- or counter-current), the heights of the films at the channel ends and the channel inclination. The stability of these structures to perturbations in the spanwise direction, is also examined through a linear stability analysis and transient, two-dimensional numerical simulations. These analyses demonstrate successfully that some of the structures observed in the one-dimensional flow are unstable to fingering phenomena. In the case of the climbing film, two configurations are examined, namely, constant flux and constant volume whereby the evolution equation for the interface is coupled to convective-diffusive equations for the concentration of surfactant, present in the form of monomers and micelles. The former are allowed to exist at the gas-liquid and liquid-solid interfaces, and in the bulk; the latter can only be present in the bulk. For the constant flux case, the flow is simulated by a continuously-fed uncontaminated fluid and surfactant at the flow origin allowed to spread on a solid substrate which has been prewetted by a thin, surfactant-free precursor layer. The constant volume configuration simulates the deposition of a finite drop, laden with surfactant, spreading on a thin, uncontaminated film. In the absence of spanwise disturbances, the one-dimensional solutions demonstrate how the climbing rate and the structural deformation of the film are influenced by gravity, and physico-chemical parameters such as surfactant concentration (whether above or below the critical micelle concentration), and rates of adsorption of monomers at the two interfaces. The stability of the flow is examined through linear theory and transient solutions of the full, nonlinear, two-dimensional system of equations revealing the growth of spanwise perturbations into full-length fingers. A brief introduction to the experimental design of an apparatus, aimed at validating channel flow results, is also described. The objective of the experiment was to investigate the physical features associated with the counter-current, pressure-driven flow of a gas-liquid system. Preliminary experimental results revealed that upon perturbing the flow, an initially uniform liquid film becomes unstable, resulting in the formation of fingers which elongated downstream as time progressed. Finally, we conclude with recommendations for future work, representing natural extensions to the theoretical work described in the present thesis.
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Hartmann, Axel [Verfasser]. "Experimental Analysis of Wave Propagation at Buffet Flows / Axel Hartmann." Aachen : Shaker, 2012. http://d-nb.info/106904623X/34.

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Books on the topic "Wave flows"

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Joseph, Daniel D. Two phase flows and wave. London: Springer-Verlag, 1990.

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Wave interactions and fluid flows. Cambridge [Cambridgeshire]: Cambridge University Press, 1985.

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Bühler, Oliver. Waves and mean flows. Cambridge: Cambridge University Press, 2009.

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Lakin, William D. Wave-interactions in supersonic and hypersonic flows. Norfolk, Va: Old Dominion University Research Foundation, 1990.

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Joseph, Daniel D. Two Phase Flows and Waves. New York, NY: Springer New York, 1990.

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Morris, P. J. Reynolds stress closure in jet flows using wave models. University Park, PA: Dept. of Aerospace Engineering, Pennsylvania State University, 1988.

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Sharma, Vishnu D. Quasilinear hyperbolic systems, compressible flows, and waves. Boca Raton, FL: CRC/Taylor & Francis, 2010.

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service), SpringerLink (Online, ed. Fronts, Waves and Vortices in Geophysical Flows. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2010.

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Quasilinear hyperbolic systems, compressible flows, and waves. Boca Raton: Chapman & Hall/CRC, 2010.

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Rosa, M. D. Di. CW laser strategies for simultaneous multi-parameter measurements in high-speed gas flows. Washington: AIAA, 1992.

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Book chapters on the topic "Wave flows"

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Boiko, Andrey V., Alexander V. Dovgal, Genrih R. Grek, and Victor V. Kozlov. "Linear wave packets of instability waves." In Physics of Transitional Shear Flows, 149–58. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-2498-3_8.

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Skews, Beric W., and Randall T. Paton. "Shock Wave Development Within Expansive Flows." In Shock Wave Interactions, 221–30. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73180-3_18.

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Shoesmith, B., S. Mölder, H. Ogawa, and E. Timofeev. "Shock Reflection in Axisymmetric Internal Flows." In Shock Wave Interactions, 355–66. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73180-3_27.

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Brekhovskikh, Leonid, and Valery Goncharov. "Flows of Viscous Fluids." In Springer Series on Wave Phenomena, 145–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-96861-7_8.

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Brekhovskikh, Leonid M., and Valery Goncharov. "Flows of Viscous Fluids." In Springer Series on Wave Phenomena, 145–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85034-9_8.

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Bühler, O. "Wave–Vortex Interactions." In Fronts, Waves and Vortices in Geophysical Flows, 139–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-11587-5_5.

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Williamson, C. H. K., and A. Prasad. "A Mechanism for Oblique Wave Resornance in the Far Wake." In Nonlinear Instability of Nonparallel Flows, 350–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85084-4_30.

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Lee, Hye-Kyung. "The Korean Wave, Encountering Asia and Cultural Policy." In Asian Cultural Flows, 75–89. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-0147-5_5.

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Ben-Dor, Gabi. "Shock Wave Reflections in Steady Flows." In Shock Wave Reflection Phenomena, 175–99. New York, NY: Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4757-4279-4_3.

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Ben-Dor, Gabi. "Shock Wave Reflections in Unsteady Flows." In Shock Wave Reflection Phenomena, 200–271. New York, NY: Springer New York, 1992. http://dx.doi.org/10.1007/978-1-4757-4279-4_4.

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Conference papers on the topic "Wave flows"

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Skipetrov, Serguei E., Sergei S. Chesnokov, Igor V. Meglinski, and Valery V. Tuchin. "Diffusing-wave spectroscopy of flows." In ICONO '98: Laser Spectroscopy and Optical Diagnostics--Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, edited by Andrey Y. Chikishev, Victor N. Zadkov, and Alexei M. Zheltikov. SPIE, 1999. http://dx.doi.org/10.1117/12.340032.

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Ng, Jimmy K. T., John E. Halkyard, and Chan Eng Soon. "Statistical Characteristics of Flow in the Wake Region of a Vertical Bluff Cylinder in Waves, Currents and Combined Wave-Current Flows." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-21181.

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While the flow kinematics on a cylinder in the presence of combined waves and currents are well documented in literature, the unsteady free stream in the wake region of a bluff circular cylinder under wave and current conditions have yet to be fully understood. The complex kinematic phenomenon that occurs in the wake region can be a combination of vortex shedding, flow reversal and streaming. The kinematics in the wake region is important as many offshore installations today are made up of two or more bluff bodies arranged in various tandem configurations, and the spacing between these members may be such that the downstream member is directly in the unsteady free stream wake region. The forces on these downstream members can be very different to that of the upstream member due to the unsteady free stream, and calculations of the total loading on the structure may not be well estimated using the commonly used Morison’s equation. Examples can also be extended to floating structures where two structures may often be placed in close vicinity to each other, one being subjected to the wake loading of the other. There is therefore motivation to elucidate the characteristics of the unsteady kinematics in the wake of the first upstream cylinder in combined wave–current conditions. The objective of the presented study is to investigate experimentally, the characteristics of flow in the wake of an upright bluff cylinder in wave only conditions; currents only conditions; and in combined wave-current conditions. The focus is to elucidate the statistics and spectral content of measured locations of the wake to determine if the actual combined wave current kinematics in the wake region may be represented by the superposition of currents only and wave only kinematics. Different wave periods and a range of current speeds were tested to evaluate the superposition hypothesis for the relative effects of wave to current contributions. The measured kinematics were utilized to predict the motions of an elastically mounted cylinder in the near wake of another cylinder. These experiments were conducted in a 0.9m × 0.9m × 39m wave flume in the Hydraulics Laboratory of the National University of Singapore. An upright fixed cylinder was towed at constant velocity to study the effects of current on the cylinder, while a wave maker generated the oscillatory flow. The ranges of parameters investigated were; wake location to cylinder diameter ratio (L/D) of 0.75 to 2.50, Wave current parameter (H/UcT) of 0.08 to 0.70. The statistical characteristics and the spectral content at each measured location were derived from the velocity time series. The hypothesis of the statistical equivalence of combined wave-current wake kinematics using the superposition of currents only and wave only wake kinematics are discussed in this paper.
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Thompson, Alex C. "Numerical Model of Breakwater Wave Flows." In 21st International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1989. http://dx.doi.org/10.1061/9780872626874.150.

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Ligrani, P. M., C. Saumweber, A. Schulz, and S. Wittig. "Shock Wave - Film Cooling Interactions in Transonic Flows." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0133.

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Interactions between shock waves and film cooling are described as they affect magnitudes of local and spanwise-averaged adiabatic film cooling effectiveness distributions. A row of three cylindrical holes is employed. Spanwise spacing of holes is 4 diameters, and inclination angle is 30 degrees. Freestream Mach numbers of 0.8 and 1.10–1.12 are used, with coolant to freestream density ratios of 1.5–1.6. Shadowgraph images show different shock structures as the blowing ratio is changed, and as the condition employed for injection of film into the cooling holes is altered. Investigated are film plenum conditions, as well as perpendicular film injection cross-flow Mach numbers of 0.15, 0.3, and 0.6. Dramatic changes to local and spanwise-averaged adiabatic film effectiveness distributions are then observed as different shock wave structures develop in the immediate vicinity of the film-cooling holes. Variations are especially evident as the data obtained with a supersonic Mach number are compared to the data obtained with a freestream Mach number of 0.8. Local and spanwise-averaged effectiveness magnitudes are generally higher when shock waves are present when a film plenum condition (with zero cross-flow Mach number) is utilized. Effectiveness values measured with a supersonic approaching freestream and shock waves then decrease as the injection cross-flow Mach number increases. Such changes are due to altered flow separation regions in film holes, different injection velocity distributions at hole exits, and alterations of static pressures at film hole exits produced by different types of shock wave events.
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Carpenter, P. W., P. K. Sen, S. Hegde, and C. Davies. "Wave Propagation in Flows Across Junctions Between Rigid and Flexible Walls." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-32202.

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The generic problem considered is the propagation of vortical waves across junctions between one wave-bearing medium and another. It is assumed that the eigensolutions are known for the corresponding spatially homogeneous problems. The task is how to determine the amplitudes of the reflected and transmitted waves given the amplitude of the incident wave. In general, there may be more than one incident, reflected or transmitted wave. It is shown how this sort of problem may be solved in terms of the homogeneous eigensolutions by drawing an analogy between the junction and a wave-driver. The particular illustrative problem studied is that of a Tollmien-Schlichting wave, propagating along a rigid-walled channel flow, that is incident on a section of the channel where the walls consist of compliant panels. It is shown how the wave system over the compliant panels and the amplitude of the Tollmien-Schlichting wave leaving the compliant section may be determined in terms of the incident wave. The technique developed for this problem is considered to be generic.
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REED, H. "Disturbance-wave interactions in flows with crossflow." In 23rd Aerospace Sciences Meeting. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1985. http://dx.doi.org/10.2514/6.1985-494.

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Tam, Christopher, and Laurent Auriault. "The wave modes in ducted swirling flows." In 4th AIAA/CEAS Aeroacoustics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-2280.

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Madsen, Ole Secher. "Spectral Wave-Current Bottom Boundary Layer Flows." In 24th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1995. http://dx.doi.org/10.1061/9780784400890.030.

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Coffey, Felicity C., and Peter Nielsen. "Aspects of Wave Current Boundary Layer Flows." In 19th International Conference on Coastal Engineering. New York, NY: American Society of Civil Engineers, 1985. http://dx.doi.org/10.1061/9780872624382.151.

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Simons, Richard, Dag Myrhaug, Laurent Thais, Georges Chapalain, Lars-Erik Holmedal, and Ruairi MacIver. "Bed Friction in Combined Wave-Current Flows." In 27th International Conference on Coastal Engineering (ICCE). Reston, VA: American Society of Civil Engineers, 2001. http://dx.doi.org/10.1061/40549(276)17.

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Reports on the topic "Wave flows"

1

Garcia, Marcelo H. Ripple Morphodynamics in Wave-Current Boundary-Layer Flows. Fort Belvoir, VA: Defense Technical Information Center, September 2006. http://dx.doi.org/10.21236/ada573047.

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2

Deane, Grant B. Bubble Size Distributions and Wave-induced Water Flows in the Littoral Zone. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada626799.

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Tinney, Charles E. Low-Dimensional Dynamical Characteristics of Shock Wave /Turbulent Boundary Layer Interaction in Conical Flows. Fort Belvoir, VA: Defense Technical Information Center, December 2014. http://dx.doi.org/10.21236/ada613848.

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Lippmann, Thomas C. Wave Breaking and Wave Driven Flow in the Nearshore. Fort Belvoir, VA: Defense Technical Information Center, September 2000. http://dx.doi.org/10.21236/ada609992.

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Farmer, David. Solitary Waves and Sill Flows. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada629416.

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Armi, Laurence. Solitary Waves and Sill Flows. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada628383.

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Sotnikov, Vladimir, Jean-Noel Leboeuf, and Saba Mudaliar. Scattering of Electromagnetic Waves in the Presence of Wave Turbulence Excited by a Flow with Velocity Shear. Fort Belvoir, VA: Defense Technical Information Center, March 2010. http://dx.doi.org/10.21236/ada524852.

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Thompson, LuAnne, and Daniel R. Ohlsen. Stratified Coastal Trapped Waves and Mean Flows. Fort Belvoir, VA: Defense Technical Information Center, September 1997. http://dx.doi.org/10.21236/ada634935.

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Ohlsen, Daniel R., and LuAnne Thompson. Stratified Coastal Trapped Waves and Mean Flows. Fort Belvoir, VA: Defense Technical Information Center, January 1998. http://dx.doi.org/10.21236/ada357637.

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Thompson, LuAnne. Stratified Coastal Trapped Waves and Mean Flows. Fort Belvoir, VA: Defense Technical Information Center, March 2001. http://dx.doi.org/10.21236/ada389302.

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