STUDY AND MODELING OF EFFECTIVE THERMAL CONDUCTIVITY OF BUILDING INSULATOR MATERIALS

I. Amara; I. Boulaoued; A. Mhimid; A. Mazioud

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STUDY AND MODELING OF EFFECTIVE THERMAL CONDUCTIVITY OF BUILDING INSULATOR MATERIALS

机译：建筑绝缘材料有效导热系数的研究与建模

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This work presents a theoretical and experimental study of the thermo-physical properties of original insulating materials using palm tree fibers in a cement matrix. Five formulations containing different mass ratios of palm tree fibers were prepared and examined. The thermal conductivity of thermal insulators is usually measured using the box method. The main objective of this paper is to study the effective thermal conductivity of dry insulator materials as a function of mass ratio, to determine the influence of moisture content on the thermal conductivity of our composite, and to write the mathematical models of the effective thermal conductivity of a composite material. The experimental evolution with water content was compared with three theoretical models (parallel model, series model, and Krischer model).

机译：这项工作提出了使用棕榈树纤维在水泥基质中的原始绝缘材料的热物理性质的理论和实验研究。制备并检查了含有不同质量比的棕榈树纤维的五种配方。绝热材料的热导率通常使用箱式方法进行测量。本文的主要目的是研究干燥绝缘子材料的有效导热系数与质量比的关系，确定水分含量对复合材料导热系数的影响，并编写有效导热系数的数学模型。复合材料。将含水量的实验演变与三种理论模型（并行模型，系列模型和Krischer模型）进行了比较。

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来源
《Special topics & reviews in porous media》 |2018年第1期|67-77|共11页
作者
I. Amara; I. Boulaoued; A. Mhimid; A. Mazioud;
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作者单位

University of Monastir, Thermal System Energetic Laboratory Research (LESTE), National School Engineering of Monastir, Avenue Ibn Jazzar, 5019 Tunisia;

University of Monastir, Thermal System Energetic Laboratory Research (LESTE), National School Engineering of Monastir, Avenue Ibn Jazzar, 5019 Tunisia;

University of Monastir, Thermal System Energetic Laboratory Research (LESTE), National School Engineering of Monastir, Avenue Ibn Jazzar, 5019 Tunisia;

University Paris-Est Creteil, CERTES EA3481, 61 av. du General de Gaulle, 94010 Creteil, France;

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正文语种 eng
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关键词
palm tree fibers insulation; effective thermal conductivity; moisture content; modeling and measurement;

机译：棕榈树纤维绝缘;有效导热系数;水分含量;建模与测量;

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3. Experimental study on effective thermal conductivity of building insulation materials [J] . Yan Qiuhui, Shen Xuelong, Luo Jieren, Measurement Science & Technology . 2019,第10期

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5. Analytical and experimental studies to determine the effective thermal conductivity of particulate thermal interface materials. [D] . Dan, Bo. 2012

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6. Methods to Characterize Effective Thermal Conductivity Diffusivity and Thermal Response in Different Classes of Composite Phase Change Materials [O] . Elisabetta Gariboldi, Luigi P. M. Colombo, Davide Fagiani, 2019

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7. A 3D model to predict the influence of nanoscale pores or reduced gas pressures on the effective thermal conductivity of cellular porous building materials [O] . Wouter Van De Walle, Hans Janssen 2019

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STUDY AND MODELING OF EFFECTIVE THERMAL CONDUCTIVITY OF BUILDING INSULATOR MATERIALS

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