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Is grid turbulence Saffman turbulence?
Journal of Fluid Mechanics, 2009There has been a longstanding debate as to whether the large scales in grid turbulence should be classified as of the Batchelor or Saffman type. In the former, the integral scales, u and ℓ, satisfy u2ℓ5 ≈ constant, while in Saffman turbulence we have u2ℓ3 = constant.
Per-Åge Krogstad, Peter Davidson
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Innovation, firms’ performance and environmental turbulence: is there a moderator or mediator?
European Journal of Innovation Management, 2019PurposeThe purpose of this paper is to draw on dynamic capability view and contingency theory to clarify the nature of the effect of environmental turbulence on the relationships between firm’s both product and process innovations and business ...
L. Turulja, N. Bajgorić
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Anisotropic Particles in Turbulence
, 2017Anisotropic particles are common in many industrial and natural turbulent flows. When these particles are small and neutrally buoyant, they follow Lagrangian trajectories while exhibiting rich orientational dynamics from the coupling of their rotation to
G. Voth, A. Soldati
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1987
International audience; This is the 4th edition of a book originally published by Kluwer Academic Publishers. It is an exhaustive monograph on turbulence in fluids in its theoretical and applied aspects, with many advanced developments using mathematical spectral methods (two-point closures like the EDQNM theory), direct-numerical simulations, and ...
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International audience; This is the 4th edition of a book originally published by Kluwer Academic Publishers. It is an exhaustive monograph on turbulence in fluids in its theoretical and applied aspects, with many advanced developments using mathematical spectral methods (two-point closures like the EDQNM theory), direct-numerical simulations, and ...
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Compressible turbulence and turbulent convection
2003In the previous chapters turbulence was assumed incompressible. As discussed in Section 2.3, this assumption is valid if either the sonic Mach number of the flow is small, M s = υ/c s « 1, or the Alfven Mach number is small, M A = υ/υ A « 1.
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2005
Turbulence est synonyme d’agitation, désordre, chaos. L’évolution spatiale ou temporelle de nombreux phénomènes est caractérisée par une absence apparente d’ordre, la coexistence d’échelles très différentes, l’impossibilité d’une reproduction et d’une prévision détaillées.
Coantic, Michel +2 more
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Turbulence est synonyme d’agitation, désordre, chaos. L’évolution spatiale ou temporelle de nombreux phénomènes est caractérisée par une absence apparente d’ordre, la coexistence d’échelles très différentes, l’impossibilité d’une reproduction et d’une prévision détaillées.
Coantic, Michel +2 more
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1990
Turbulence is an enigmatic state of fluid flow that includes unpredictable fluctuations even when the flow’s boundary conditions are steady and smooth. These fluctuations typically occur over a wide range of length and time scales. For analysis, a turbulent flow is decomposed into average (or mean) and fluctuating fields.
Pijush K. Kundu +2 more
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Turbulence is an enigmatic state of fluid flow that includes unpredictable fluctuations even when the flow’s boundary conditions are steady and smooth. These fluctuations typically occur over a wide range of length and time scales. For analysis, a turbulent flow is decomposed into average (or mean) and fluctuating fields.
Pijush K. Kundu +2 more
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1959
Publisher Summary This chapter discusses steady flow of a viscous fluid. The flows that occur in nature must not only obey the equations of fluid dynamics but also be stable. For the flow to be stable, it is necessary that small perturbations, if they arise, should decrease with time. If, on the contrary, the small perturbations which inevitably occur
Lev Davidovich Landau, E.M. Lifshitz
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Publisher Summary This chapter discusses steady flow of a viscous fluid. The flows that occur in nature must not only obey the equations of fluid dynamics but also be stable. For the flow to be stable, it is necessary that small perturbations, if they arise, should decrease with time. If, on the contrary, the small perturbations which inevitably occur
Lev Davidovich Landau, E.M. Lifshitz
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Turbulence statistics in fully developed channel flow at low Reynolds number
Journal of Fluid Mechanics, 1987John Kim, P. Moin, R. Moser
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Chemical Oscillations, Waves, and Turbulence
Springer Series in Synergetics, 1984Y. Kuramoto
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