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Coherent structures in combustion
Progress in Energy and Combustion Science, 1996A critical review is presented of the advances which have been made in the understanding of coherent-structure development in separated flows and of the implications of these discoveries, theoretical and practical, in the field of combustion. The main emphasis is placed on continuous combustion processes although some of the more general issues ...
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Asymmetrical inseparable coherent structures
Optics Letters, 2022A novel, to the best of our knowledge, class of coherent structures of inseparability, incorporating phases asymmetrically cross-coupled by two position vectors, is introduced in theory and experiment. These phases disappear in the environment of complete coherence, but the vanishment is avoidable in the coexistent state of extreme incoherence and full
Zehong Liang +7 more
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Coherent structures in multidimensions
Physical Review Letters, 1989We solve an initial-boundary value problem for the Davey-Stewartson equation, a multidimensional analog of the nonlinear Schr\"odinger equation. It is shown that for large time, an arbitrary initial disturbance will, in general, decompose into a number of two-dimensional coherent structures. These structures exhibit interesting novel features not found
Fokas AS, SANTINI, Paolo Maria
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‘Coherent Structures in turbulence’
Journal of Fluid Mechanics, 1975This account of the Colloquium on Coherent Structures in Turbulence held at Southampton from 26-29 March 1974 presents a brief summary of two invited lectures and 42 formal presentations on turbulent shear-flow structure. A number of shorter contributions and discussions are also outlined.
Davies, P. O. A. L., Yule, A. J.
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1990
Abstract Organizing a logical account of a fashionable and fast-growing subject, like the study of coherent structures (or recognizable ‘deterministic’ patterns) in turbulent flows, is not without its difficulties. To begin with, quite a variety of such structures has now been identified, and, although different structures can appear to ...
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Abstract Organizing a logical account of a fashionable and fast-growing subject, like the study of coherent structures (or recognizable ‘deterministic’ patterns) in turbulent flows, is not without its difficulties. To begin with, quite a variety of such structures has now been identified, and, although different structures can appear to ...
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GEOPHYSICS, 1974
The wavefield generated at the surface of the earth from a surface seismic source can be represented as a function F(f, k) in the frequency wave‐number domain. This function depends upon the source and the propagation characteristics of the underlying structure. For any particular frequency the spatial coherence as observed at two points [Formula: see
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The wavefield generated at the surface of the earth from a surface seismic source can be represented as a function F(f, k) in the frequency wave‐number domain. This function depends upon the source and the propagation characteristics of the underlying structure. For any particular frequency the spatial coherence as observed at two points [Formula: see
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Coherent structures in tornado-like vortices
Physics of Fluids, 2018The dynamics of tornadolike vortices is investigated through a set of novel physical experiments and modal analyses for a wide range of swirl ratios (0.22 ≤ S ≤ 0.96). Various physical phenomena such as wandering, vortex breakdown, or transition from one-cell to two-cell structures are observed.
Karami, Mohammad +3 more
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