Results 1 to 10 of about 42,318 (156)
Fluctuation-induced force in homogeneous isotropic turbulence [PDF]
Science Advances, 2020 We find an analog to the quantum Casimir effect in a turbulent fluid.
Spandan, Vamsi +3 more
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Information production in homogeneous isotropic turbulence [PDF]
Physical Review E, 2019 We study the Reynolds number scaling of the Kolmogorov-Sinai entropy and attractor dimension for three dimensional homogeneous isotropic turbulence through the use of direct numerical simulation. To do so, we obtain Lyapunov spectra for a range of different Reynolds numbers by following the divergence of a large number of orthogonal fluid trajectories.
Arjun Berera, Daniel Clark
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Chaos and Predictability of Homogeneous-Isotropic Turbulence [PDF]
Physical Review Letters, 2017 We study the chaoticity and the predictability of a turbulent flow on the basis of high-resolution direct numerical simulations at different Reynolds numbers. We find that the Lyapunov exponent of turbulence, which measures the exponential separation of two initially close solution of the Navier-Stokes equations, grows with the Reynolds number of the ...
Boffetta, G, Musacchio, Stefano
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Developing homogeneous isotropic turbulence [PDF]
Physica D: Nonlinear Phenomena, 2012 We investigate the self-similar evolution of the transient energy spectrum which precedes the establishment of the Kolmogorov spectrum in homogeneous isotropic turbulence in three dimensions using the EDQNM closure model. The transient evolution exhibits self-similarity of the second kind and has a non-trivial dynamical scaling exponent which results ...
Wouter J T Bos +2 more
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Inertial spheroids in homogeneous, isotropic turbulence [PDF]
Physical Review E, 2018 6 pages, 4 ...
Roy, Amal +2 more
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Advances in Mechanical Engineering, 2017 Large eddy simulation was performed for forced homogeneous isotropic turbulence with/without polymer additives. Wavelet transform in one dimension and two dimensions were performed to investigate the multi-resolution features of coherent structures and ...
Lu Wang +3 more
doaj +2 more sources
Scaling of Lyapunov exponents in homogeneous isotropic turbulence [PDF]
Physical Review Fluids, 2017 Lyapunov exponents measure the average exponential growth rate of typical linear perturbations in a chaotic system, and the inverse of the largest exponent is a measure of the time horizon over which the evolution of the system can be predicted. Here, Lyapunov exponents are determined in forced homogeneous isotropic turbulence for a range of Reynolds ...
Mohan, Prakash +2 more
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Lattice Boltzmann simulations of homogeneous isotropic turbulence
Computers and Mathematics With Applications, 2009 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Yu Fukunishi
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Morphology of clean and surfactant-laden droplets in homogeneous isotropic turbulence [PDF]
Journal of Fluid Mechanics, 2023 We perform direct numerical simulations of surfactant-laden droplets in homogeneous isotropic turbulence with Taylor Reynolds number $Re_\lambda \approx 180$.
Ian B. S. Cannon +2 more
semanticscholar +1 more source
Thermal fluctuations in the dissipation range of homogeneous isotropic turbulence [PDF]
Journal of Fluid Mechanics, 2021 Using fluctuating hydrodynamics we investigate the effect of thermal fluctuations in the dissipation range of homogeneous isotropic turbulence. Simulations confirm theoretical predictions that the energy spectrum is dominated by these fluctuations at ...
J. Bell +3 more
semanticscholar +1 more source