AM06-22-004 DNSによる浮力を伴う乱流温度場境界層の乱流構造解析(乱流の予測とモデリング(1),一般講演)

概要

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This paper presents direct numerical simulations (DNS) of stable and unstable turbulent thermal boundary layers. Since a buoyancy-affected boundary layer is often encountered in an urban environmental space where stable and unstable stratifications exist, exploring a buoyancy-affected boundary layer is very important to know the transport phenomena of the flow in an urban space. Thus, in order to investigate a buoyancy-affected boundary layer, we carried out time and space developing DNSs simulating stable and unstable turbulent thermal boundary layers. In the DNS results, the fundamental turbulent statistics of stable and unstable thermal boundary layers are shown, in which near-wall variations of turbulent quantities are difficult to measure experimentally, and then discussed.
日本流体力学会の論文
2006-09-05