Results 41 to 50 of about 257,809 (217)
Monte Carlo Simulation Of Thermal Fluctuations Below The Onset Of Rayleigh-Benard Convection
, 2009 The density fluctuations below the onset of convection in the Rayleigh-Benard problem are studied with the direct simulation Monte Carlo method. The particle simulation results clearly show the connection between the static correlation functions of ...
张俊 +4 more
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Surface deflection in Rayleigh-Benard convection
Journal de Physique, 1989 The problem of the deformation of a free upper surface in a convective layer subjected to an adverse temperature gradient is analyzed. An analytical expression for the amplitude of the surface deflection in terms of the fluid layer parameters has been obtained when buoyancy force is the responsible mechanism for instability (thick layers).
Jiménez-Fernandez, Javier +1 more
openaire +2 more sources
Study of heat and mass transport in Couple-Stress liquid under G-jitter effect
Ain Shams Engineering Journal, 2018 In the present paper, we deal with the effect of G-jitter (time periodic gravity modulation) on the stability of double diffusive convection in couple stress liquid by method of non-linear analysis. The infinitesimal disturbances are expanded in terms of
Anand Kumar, Vanita, Vinod K. Gupta
doaj +1 more source
Incompressible flows and the Boussinesq approximation: 50 years of CFD
Comptes Rendus. Mécanique, 2022 We offer a synthetic exposition on the state of the art for Computational Fluid Dynamics (CFD) relevant to the Navier–Stokes equations with the Boussinesq approximation, smoothly blending a history of the field with an accessible exposition of the ...
Lappa, Marcello
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Scaling Laws in Rayleigh‐Bénard Convection
Earth and Space Science, 2019 The heat transfer scaling theories for Rayleigh‐Bénard convection (RBC) are reviewed and discussed for configurations with and without rotation and magnetic fields.
Meredith Plumley, Keith Julien
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Sparse nonlinear models of chaotic electroconvection
Royal Society Open Science, 2021 Convection is a fundamental fluid transport phenomenon, where the large-scale motion of a fluid is driven, for example, by a thermal gradient or an electric potential. Modelling convection has given rise to the development of chaos theory and the reduced-
Yifei Guan +2 more
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Energy Spectra in Rayleigh-Benard Convection
Journal of Physics: Conference Series, 2011 We present a numerical study of the energy spectra and fluxes in the inertial range of turbulent Rayleigh-Benard convection for a wide range of Prandtl number. We consider both free-slip and no-slip conditions for our simulation. Our results support the Kolmogorov-Obukhov (KO) scaling for velocity field for zero-Prandtl number and low-Prandtl number (P
Mahendra K Verma +3 more
openaire +1 more source
Progressive emergence of canopy gravity waves during the afternoon–evening transition
Quarterly Journal of the Royal Meteorological Society, EarlyView.Large‐eddy simulations are used to investigate the afternoon‐to‐evening transition of turbulence over a forest canopy and its coupling with atmospheric boundary‐layer dynamics. As surface cooling strengthens stability and weakens near‐canopy winds, canopy turbulence transitions progressively to internal gravity waves that dominate the evening flow ...
S. Dupont
wiley +1 more source
Analysis of Turbulent Free Convection in a Rectangular Rayleigh-Benard Cell [PDF]
, 2007 The present study compares results of direct numerical simulations of thermal convection within a rectangular geometry with Rayleigh-Benard convection in thin fluid layers and cylindrical geometries.
Kaczorowski, Matthias, Wagner, Claus
core
A Model Intercomparison Study of Mixed‐Phase Clouds in a Laboratory Chamber
Journal of Advances in Modeling Earth Systems, Volume 18, Issue 9, September 2026.Abstract Supercooled liquid water often persists in mixed‐phase clouds for hours to days, even though a simple, well‐mixed Wegener‐Bergeron‐Findeisen model predicts rapid depletion of liquid water in the presence of ice. The persistence is well documented, but the relative importance of the maintaining mechanisms remains uncertain.
Aaron Wang +14 more
wiley +1 more source