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Cascades, thermalization, and eddy viscosity in helical Galerkin truncated Euler flows
(American Physical Society, 2009-12)
The dynamics of the truncated Euler equations with helical initial conditions are studied. Transient energy and helicity cascades leading to Kraichnan helical absolute equilibrium at small scales, including a linear scaling ...
Turbulent cascades, transfer, and scale interactions in magnetohydrodynamics
(IOP Publishing, 2007-12)
The nature of the interactions between different scales in magneto-hydrodynamic (MHD) turbulence is important for the understanding of the behaviour of magnetized astrophysical, geophysical and industrial flows in a turbulent ...
Light absorption budget in a reservoir cascade system withwidely differing optical properties
(2019-01-29)
Aquatic systems are complex systems due to the environmental pressures that lead to water quality parameter changes, and consequently, variations in optically active compounds (OAC). In cascading reservoir systems, such ...
Wintertime circulation off southeast Australia: Strong forcing by the East Australian Current
(2005)
Numerical results and observations are used to examine the sub–weather band wintertime circulation off the eastern shelf slope region between Tasmania and Cape Howe. The numerical model is forced using wintertime-averaged ...
Combination of cascade and feed-forward constrained control for stable partial nitritation with biomass retention
(Elsevier, 2020-11)
Ammonium removal is a key step in wastewater treatment which can be accomplished biologically. An interesting process option for this purpose is coupling partial nitritation with the Anammox process. The goal of the partial ...
Superstructure-based optimization of vapor compression-absorption cascade refrigeration systems
(Molecular Diversity Preservation International, 2020-04-10)
A system that combines a vapor compression refrigeration system (VCRS) with a vapor absorption refrigeration system (VARS) merges the advantages of both processes, resulting in a more cost-effective system. In such a cascade ...
Scale interactions and scaling laws in rotating flows at moderate Rossby numbers and large Reynolds numbers
(American Institute of Physics, 2009-12)
The effect of rotation is considered to become important when the Rossby number is sufficiently small, as is the case in many geophysical and astrophysical flows. Here we present direct numerical simulations to study the ...
Spectral analysis of the turbulent energy cascade and the development of a novel nonlinear subgrid-scale model for large eddy simulation.Análise spectral da cascata de energia turbulenta e desenvolvimento de um novo modelo submalha não linear para simulação das grandes escalas.
(Universidade Federal de UberlândiaBrasilPrograma de Pós-graduação em Engenharia Mecânica, 2019)