建筑材料多孔介质热物性参数测试实验研究  

STUDY ON TEST EXPERIMENT OF THERMAL PHYSICAL PARAMETERS OF BUILDING POROUS MEDIUM MATERIAL

作　　者：孔凡红[1] 赵强[1] 郭小强[1] 谢颖[1] 

机构地区：[1]中南大学能源科学与工程学院,长沙410075

出　　处：《太阳能学报》2016年第11期2883-2888,共6页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金青年基金(51206190)

摘　　要：建立一种操作简单、易推广的实验方法,测试建筑材料多孔介质的导热系数、孔隙率、定压比热以及密度等基础热物性参数。通过实验测试建筑材料混凝土的干燥密度、干燥定压比热容、干燥导热系数及孔隙率等参数值,验证此实验测试方法的可行性,为推动建筑材料多孔介质热湿迁移物性基础数据的进一步完善提供收集依据。Setting up a experimental method with simple operation and easy promotion, this study will test a series of based thermal physical property parameters of porous medium of building materials, involving heat conductivity coefficient, porosity, specific heat at fixed pressure and density. In addition, through the experiment, it tested some drying parameters such as dry density, specific heat at constant pressure of drying, coefficient of thermal conductivity and porosity value, besides, it verified the feasibility of this test method, providing a collect basis for promoting the further perfection of physical basic data in migration of porous medium of building materials.

关 键 词：建筑材料 热质耦合传递 基础物性参数 实验测试 

分 类 号：TU111.24[建筑科学—建筑理论]