平纹织物增强复合材料传热性能的研究  

Study on Heat Transfer Performance of Plain Fabric Reinforced Composites

作　　者：丁诗儒 罗世文 王威力 吴晓青[1] 魏欣[1] DING Shiru;LUO Shiwen;WANG Weili;WU Xiaoqing;WEI Xin(Tianjin Polytechnic College of textile science and Engineering,Tianjin 300387;Harbin FRP Institute Co.,Ltd.,Harbin 150028)

机构地区：[1]天津工业大学,纺织科学与工程学院,天津300387 [2]哈尔滨玻璃钢研究院有限公司,哈尔滨150028

出　　处：《纤维复合材料》2024年第2期31-35,共5页Fiber Composites

摘　　要：建立了平纹织物面板复合材料的模型,借助有限元方法预报复合材料的热传导过程,并用导热系数表征其隔热性能。结果表明:平纹织物面板复合材料内部节点与热源面距离增加时,节点温度和热通量均呈现递减的趋势,热通量沿温度梯度方向传递。重点分析了面层厚度对其导热系数的影响,面板厚度增加时复合材料的导热系数变小,隔热性能更佳。并通过红外热成像试验测试了平纹织物面板复合材料的热传导过程、温度分布和最终热平衡时的温度,与有限元方法得到的结果具有一致性。The model of plain fabric panel composite is established,the heat conduction process of the composite is predicted by finite element method,and its thermal insulation performance is characterized by thermal conductivity.The results show that when the distance between the internal node and the heat source surface of plain fabric panel composites increases,the node temperature and heat flux both decrease,and the heat flux is transferred along the temperature gradient direction.The influence of the thickness of the surface layer on its thermal conductivity is emphatically analyzed.When the thickness of the panel increases,the thermal conductivity of the composite decreases and the thermal insulation performance is better.The thermal conduction process,temperature distribution and final thermal equilibrium temperature of plain fabric panel composites were tested by infrared thermal imaging test,which was consistent with the results obtained by finite element method.

关 键 词：平纹织物 有限元预报 热传导 导热系数 

分 类 号：TB332[一般工业技术—材料科学与工程]