Results 91 to 100 of about 21,778,692 (350)
Nested polyhedra model of turbulence [PDF]
Physical Review E, 2017 A discretization of the wave-number space is proposed, using nested polyhedra, in the form of alternating dodecahedra and icosahedra that are self-similarly scaled. This particular choice allows the possibility of forming triangles using only discretized wave vectors when the scaling between two consecutive dodecahedra is equal to the golden ratio and ...
openaire +4 more sources
Topological Properties of International Commodity Market: How Uncertainty Affects the Linkages?
Agribusiness, EarlyView.ABSTRACT The study aims to explore the network topology of the international commodity market by examining the interconnections among 21 commodity futures across various categories, including energy, precious and industrial metals, and agriculture. We analyze the market structure of these commodity futures under both low and high uncertainty conditions
Ibrahim Yagli, Bayram Deviren
wiley +1 more source
Formal expansions in stochastic model for wave turbulence 2: method of\n diagram decomposition (complete version) [PDF]
, 2019 Andrey Dymov, Sergei Kuksin
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Minimalist turbulent boundary layer model [PDF]
Physical Review E, 2009 We introduce an elementary model of a turbulent boundary layer over a flat surface, given as a vertical random distribution of spanwise Lamb-Oseen vortex configurations placed over a non-slip boundary condition line. We are able to reproduce several important features of realistic flows, such as the viscous and logarithmic boundary sublayers, and the ...
openaire +3 more sources
First and Second Order Turbulence Closures Applied to Homogeneous Turbulent Bubbly Flows
Journal of Applied Fluid Mechanics, 2019 First and second turbulence models for turbulent bubbly flows are implemented in the CFD code. In the second order turbulence closure, the Reynolds stress tensor of the continuous phase is split into two parts: a turbulent part produced by the gradient ...
F. Chaibina, G. Bellakhal, J. Chahed
doaj
Return and Volatility Spillovers Among Major Cotton Markets
Agribusiness, EarlyView.ABSTRACT This study explores return and volatility transmission among major cotton markets. Several events have disrupted cotton supply and demand in recent years, leading to heightened price volatility and significant shifts in market interconnections.
Susmitha Kalli +3 more
wiley +1 more source
Solar Flow Synthesis of Polymer Nanoparticles: Scaling Local Experiments to Global Potential
Angewandte Chemie, EarlyView.The large‐scale sunlight‐induced photochemical synthesis of polymer nanoparticles based on the Diels–Alder step‐growth polymerization of a bismaleimide and a difunctional o‐methylbenzaldehyde in a self‐built solar flow reactor is introduced. Furthermore, a framework is established to translate sunlight‐driven experimental results globally—validated in ...
Jochen A. Kammerer +7 more
wiley +2 more sources
Advanced Intelligent Discovery, EarlyView.Chat computational fluid dynamics (CFD) introduces an large language model (LLM)‐driven agent that automates OpenFOAM simulations end‐to‐end, attaining 82.1% execution success and 68.12% physical fidelity across 315 benchmarks—far surpassing prior systems.
E Fan +8 more
wiley +1 more source
Self-organization and nonlocal nature of geophysical turbulence and planetary boundary layers
Геофизический журнал, 2010 The classical paradigm of the theory of turbulence states that any turbulent flow can be considered as a superposition of the fully organized mean motion and the fully chaotic turbulence is characterized by the direct energy cascade (from larger to ...
S. S. Zilitinkevich
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Advanced Intelligent Systems, EarlyView.Leveraging spinning‐induced localized suction, the spinner device enables ultra‐efficient removal of kidney stone fragments, capturing a larger quantity of fragments from distances exceeding 20 mm. The spinner significantly improves the efficiency and effectiveness of stone fragment removal by reducing operative time, increasing stone‐free rates, and ...
Yilong Chang +3 more
wiley +1 more source