Dns and modeling of turbulent heat transfer in channel flow with various prandtl numbers

机译：具有不同prandtl数的通道流中Dns和湍流传热模型

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The direct numerical simulation (DNS) of turbulent heat transfer in a two-dimensional channel flow was carried out for various Prandtl numbers ranging from 0.025 to 5.0. The present study is to propose a turbulent heat flux model based on the linearity principle in consideration of the Prandtl number effect and to compare the model with the DNS data. In addition, the instantaneous profiles of the temperature fluctuations and budget terms in the transport equation of the turbulent heat flux are visualized witht he use of the DNS results. The effect of the Prandtl number is discussed.

机译：对于范围从0.025到5.0的各种Prandtl数，在二维通道流中进行了湍流传热的直接数值模拟（DNS）。本研究将考虑Prandtl数效应，提出一种基于线性原理的湍流模型，并将其与DNS数据进行比较。另外，通过使用DNS结果，可以看到湍流通量传输方程中温度波动和预算项的瞬时分布。讨论了Prandtl数的影响。

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《International heat transfer conference;IHTC1998》|1998年|p.193-198|共6页
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Hiroshi Kawamura; Noboru Kawamoto; Hiroyuki Abe; Yuichi Matsuo; Kiyoshi Yamamoto;
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中图分类能源与动力工程;
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3. Heat Transfer Efficiency in Various Prandtl Number Turbulent Flows using DNS Approach [J] . Mengnan Li, Jinyong Feng, Igor Bolotnov Transactions of the American nuclear society . 2017,第pta2期

机译：使用DNS方法的各种Prandtl数湍流中的传热效率
4. Dns and modeling of turbulent heat transfer in channel flow with various prandtl numbers [C] . Hiroshi Kawamura, Noboru Kawamoto, Hiroyuki Abe, International heat transfer conference . 1998

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6. Statistics of Heat Transfer in Two-Dimensional Turbulent Rayleigh-Bénard Convection at Various Prandtl Number [O] . Hui Yang, Yikun Wei, Zuchao Zhu, 2018

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7. Prandtl Number Effect on Turbulence Statistics through High Spatial Resolution DNS of Turbulent Heat Transfer in a Channel Flow [O] . Yohji SEKI, Kaoru IWAMOTO, Hiroshi KAWAMURA 2006

机译：通过沟道流动中湍流传热的高空间分辨率DNS对湍流统计数据的普朗特
8. ON HEAT TRANSFER IN CONVERGING CHANNEL FLOWS AT HIGH PRANDTL NUMBER [R] . G. W. Morgan, W. H. Warner 1955

机译：关于高pRaNDTL数的收敛通道流动的传热研究

Dns and modeling of turbulent heat transfer in channel flow with various prandtl numbers

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