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首页> 外文期刊>Journal of Heat Transfer >Thermal Conduction Performance of Fiber-Enhanced Polyalcohol Binary Systems
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Thermal Conduction Performance of Fiber-Enhanced Polyalcohol Binary Systems

机译：纤维增强多元醇二元体系的导热性能

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Polyalcohol has poor heat conduction performance. A fiber-enhanced polyalcohol binary system combines polyalcohol with a copper fiber net to improve its heat conduction performance. In a binary system without fibers, more heat input increases the wall temperature near the container than when the fiber is present. Compared to a polyalcohol binary system, pentaerythritollTris hydroxymethyl aminomethane (PE/TRIS) without fibers, fiber-enhanced polyalcohol system PE/TRIS shows quicker response to energy input from the exterior region. The phase change temperature in a fiber-enhanced polyalcohol binary system is much lower than that in a polyalcohol system without fibers. This is because of the metastate plastic state that presents a nonfaceted phase interface with a larger radius of curvature in a polyalcohol system without fibers. The porous structure of the fiber is smaller than the size of the phase interface in a polyalcohol system without fibers and can increase the eauilibrium pressure and make the phase change easier.
机译：多元醇的导热性能差。纤维增强的多元醇二元体系将多元醇与铜纤维网相结合，以改善其导热性能。在没有纤维的二元系统中，更多的热量输入会比存在纤维时增加容器附近的壁温。与不含纤维的多元醇二元体系季戊四醇三羟甲基氨基甲烷（PE / TRIS）相比，纤维增强的多元醇体系PE / TRIS对来自外部区域的能量输入显示出更快的响应。纤维增强的多元醇二元体系中的相变温度远低于不含纤维的多元醇体系中的相变温度。这是因为在没有纤维的多元醇体系中，亚稳态塑性态呈现出具有较大曲率半径的无刻面相界面。纤维的多孔结构比没有纤维的多元醇体系中相界面的尺寸小，并且可以增加平整度，使相变更容易。

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