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首页> 外文期刊>Textile Research Journal >Determining Radiative Heat Transfer Through Heterogeneous Multilayer Nonwoven Materials
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Determining Radiative Heat Transfer Through Heterogeneous Multilayer Nonwoven Materials

机译：通过非均质多层非织造材料确定辐射传热

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摘要

A theoretical equation of the combined thermal conductive, convective, and radiative heat flow through heterogeneous multilayer fibrous materials is presented. Samples whose properties are analyzed by this equation were constructed from glass and ceramic webs and used in an earlier work to experimentally determine their thermal conductivities. In that experimental work, overall effective thermal conductivities were determined using a guarded hot plate instrument with temperatures ranging from 430 to 480℃. In the theoretical equation presented here, thermal convective heat flow is ignored because of fabric structural conditions, and the conduction component of the overall conductivity is determined by Fricke's equation. Furthermore, the results of Fricke's equation and the overall effective thermal conductivity are used to estimate the radiative thermal conductivity of the samples.
机译：给出了热，对流和辐射热通过非均质多层纤维材料的组合的理论方程。用玻璃和陶瓷纤维网构造通过该方程分析其性能的样品，并在较早的工作中用于通过实验确定其热导率。在该实验工作中，使用带保护的热板仪器在430至480℃的温度范围内确定了总体有效导热率。在此处显示的理论方程式中，由于织物的结构条件而忽略了热对流热流，而总传导率的传导分量由Fricke方程确定。此外，Fricke方程的结果和整体有效热导率用于估算样品的辐射热导率。

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