Direct numerical simulation of rough-wall heat transfer in a turbulent channel flow

Yutaka Miyake; Koichi Tsujimoto; Masaru Nakaji

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Direct numerical simulation of rough-wall heat transfer in a turbulent channel flow

机译：湍流通道中粗糙壁传热的直接数值模拟

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Heat transfer in a channel of rough wall is simulated in this work. Two kinds of roughness are considered, i.e., one assumes sand- grain roughness based on roughness model and the other regularly arranged two-dimensional ribs. No models other than sand-grain roughness implemented in the simulation. For the sake of computational load, one wall is assumed to be smooth and the global Reynolds number Re based on mean friction velocity and half channel width is 150.

机译：在这项工作中模拟了粗糙壁通道中的热传递。考虑两种粗糙度，即一种基于粗糙度模型假定砂粒粗糙度，另一种则规则地布置二维肋。除了沙粒粗糙度以外，没有其他模型可以在模拟中实现。为了计算负荷，假定一堵墙是光滑的，并且基于平均摩擦速度和一半通道宽度的总雷诺数Re为150。

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《International Journal of Heat and Fluid Flow》 |2001年第3期|p.237-244|共8页
作者
Yutaka Miyake; Koichi Tsujimoto; Masaru Nakaji;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类流体力学;
关键词
Channel flow; Turbulence; Rough wall;

机译：通道流量湍流粗糙的墙壁;

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Direct numerical simulation of rough-wall heat transfer in a turbulent channel flow

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