On non-Oberbeck–Boussinesq effects in Rayleigh–Bénard convection of air for large temperature differences
Zhen‐Hua Wan, Qi Wang, Ben Wang, Shu-Ning Xia, Quan Zhou, De‐Jun Sun
Abstract
We present direct numerical simulations of non-Oberbeck–Boussinesq (NOB) Rayleigh–Bénard (RB) convection due to large temperature differences in two-dimensional (2-D) and three-dimensional (3-D) cells. Perfect air is chosen as the operating fluid and the Prandtl number (.
Topics & Concepts
ConvectionMechanicsPhysicsRayleigh–Bénard convectionThermodynamicsRayleigh numberEnvironmental scienceMeteorologyNatural convectionFluid Dynamics and Turbulent FlowsWind and Air Flow StudiesCombustion and flame dynamics