Effect of Thermal Conductivity on Temperature Fluctuations in the Mixing T-junctions Filled with Porous Metal Materials

机译：热导率对填充多孔金属材料的混合T型交界中温度波动的影响

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Turbulence mixing in T-junctions filled with porous metal materials is numerical investigated using Large-eddy simulation turbulence model. Three cases of porous metal materials, made of three sintered metal spheres with different thermal conductivities (387.6 W/m·K for copper, 202.4 W/m·K for aluminum and 16.3 W/m·K for steel), are predicted. Compared the results of three cases, a higher thermal conductivity can also contribute more greatly to heat transfer enhancement. In T-junctions filled with porous metal materials, thermal conductivity is weakened considerably by the turbulence mixing of hot and cold fluid. The temperature fluctuation are no obvious different.

机译：填充多孔金属材料的T型交界处的湍流混合是使用大涡模拟湍流模型进行的数值研究。预测，三种多孔金属材料的案例，由具有不同热导体的三个烧结金属球体（铜的387.6W / m·k，铝的铝和16.3W / m·k用于钢）。比较了三种情况的结果，导热率较高，也可以促进传热增强的更大贡献。在填充有多孔金属材料的T型连接中，通过冷热和冷流体的湍流混合显着地削弱了导热率。温度波动不明显。

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《International Conference on Automation, Communication, Architectonics and Materials》|2012年||共4页
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作者
YongWei Wang; Tao Lu; KuiSheng Wang;
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中图分类 TB3-532;
关键词
Porous metal materials; Thermal conductivity; Turbulent mixing; Temperature fluctuation;

机译：多孔金属材料;导热率;湍流混合;温度波动;

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4. Effect of Thermal Conductivity on Temperature Fluctuations in the Mixing T-junctions Filled with Porous Metal Materials [C] . YongWei Wang, Tao Lu, KuiSheng Wang International Conference on Automation, Communication, Architectonics and Materials . 2012

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Effect of Thermal Conductivity on Temperature Fluctuations in the Mixing T-junctions Filled with Porous Metal Materials

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