Results 11 to 20 of about 243,794 (169)

Oscillatory Instabilities of Two-Layer Rayleigh-Marangoni-Benard Convection [PDF]

, 2005
The Rayleigh-Marangoni-Benard convective instability (R-M-B instability) in the two-layer systems such as Silicone oil (10cSt)/Fluorinert (FC70) and Silicone oil (2cSt)/water liquids are studied. Both linear instability analysis and nonlinear instability
Liu QS(刘秋生), Zhou BH, Liu R, Nguyen-Thi H, Billia B, 刘秋生   +5 more
core   +3 more sources

Analysis of Rayleigh-Bénard convection with thermal volumetric radiation using Lattice Boltzmann Formulation

Journal of Thermal Science and Technology, 2017
The interactions between Transient Rayleigh-Bénard convection and volumetric radiation are investigated by means of the lattice Boltzmann method (LBM) performed for a two dimensional participating Rayleigh-Bénard cell.
Raoudha CHAABANE, Faouzi ASKRI, Abdelmajid JEMNI, Sassi BEN NASRALLAH   +3 more
doaj   +1 more source

Semi-theoretical correlations of melting process driven by Rayleigh–Bénard convection suitable for low melting point metal

Case Studies in Thermal Engineering, 2021
This paper studies the melting process of low melting point metal (LMPM) in a square cavity heated from bottom in the presence of Rayleigh–Bénard convection.
Wenhua Guo, Rijing Zhao, Yi Liu, Dong Huang   +3 more
doaj   +1 more source

Inclined Rayleigh–Benard Convection: Role of Critical Aspect Ratio in Vertical Cavities

Engineering Proceedings, 2023
Inclined Rayleigh–Benard Convection (RBC) is numerically investigated in a two-dimensional vertical cavity; the critical aspect ratio and the critical Rayleigh number are discussed.
Wajeeha Siddiqui
doaj   +1 more source

The Character of Entropy Production in Rayleigh–Bénard Convection

Entropy, 2014
In this study; the Rayleigh–Bénard convection model was established; and a great number of Bénard cells with different numbered vortexes were acquired by numerical simulation.
Chenxia Jia, Chengjun Jing, Jian Liu
doaj   +1 more source

Time-Periodic Cooling of Rayleigh–Bénard Convection

Fluids, 2021
The problem of Rayleigh–Bénard’s natural convection subjected to a temporally periodic cooling condition is solved numerically by the Lattice Boltzmann method with multiple relaxation time (LBM-MRT).
Lyes Nasseri, Nabil Himrane, Djamel Eddine Ameziani, Abderrahmane Bourada, Rachid Bennacer   +4 more
doaj   +1 more source

Natural convective heat transfer characteristics of Rayleigh-Benard convection of Al2O3-water nanofluids

Journal of Thermal Science and Technology, 2017
Transient three-dimensional numerical computations are implemented to clarify the natural convective heat transfer characteristics of the Rayleigh-Benard convection of Al2O3-water nanofluids induced in a shallow vertical cylindrical enclosure.
Masato AKAMATSU, Hiroki IZAWA, Takeru KAWAMURA, Mitsuo IWAMOTO, Hiroyuki OZOE   +4 more
doaj   +1 more source

Thermal vibrational convection in near-critical fluids. Part 2. Weakly non-uniform heating [PDF]

, 2006
The governing equations and effective boundary conditions to describe thermal vibrational convection in a near-critical fluid are derived with the help of the multiple-scale method and averaging procedure. In contrast to Part 1, this paper focuses on the
Vorobev, Anatoliy, Lyubimov, Dimitry, Mojtabi, Abdelkader, Zappoli, Bernard, Lyubimova, T., Vorobev, A., Lyubimov, D., Lyubimova, Tanya, Mojtabi, A., Zappoli, B.   +9 more
core   +1 more source

Adapting a Fourier pseudospectral method to Dirichlet boundary conditions for Rayleigh-Bénard convection [PDF]

Papers in Physics, 2015
We present the adaptation to non-free boundary conditions of a pseudospectral method based on the (complex) Fourier transform. The method is applied to the numerical integration of the Oberbeck-Boussinesq equations in a Rayleigh-Bénard cell with no-slip ...
I. C. Ramos, Carlos B. Briozzo
doaj   +1 more source

Three-dimensional numerical simulations on Poiseuille-Rayleigh-Bénard convection of air in a horizontal rectangular channel

Case Studies in Thermal Engineering, 2023
In order to reveal the combined influences of Rayleigh (Ra) number, Reynolds (Re) number and spanwise aspect ratio (B) on the flow pattern evolution and stability, and heat transfer of Poiseuille-Rayleigh-Bénard (PRB) convection, we presented a set of ...
Li Zhang, Yue Huang, Lan Peng, You-Rong Li   +3 more
doaj   +1 more source