【摘要】 介绍了红外热成像技术测量材料热扩散率的原理,并利用这项技术以及导热逆问题求解方法测出了五种碳纤维试件的热扩散率,分析了影响测量准确性的因素。研究结果表明,红外热成像技术可以方便、快速的测出碳纤维材料的导热性能,从而为这类材料导热性能的测量提供了一种新颖、可行的方法。更多还原

【Abstract】 The thermal diffusivity of carbon fiber materials are measured by infrared imaging technology and reverse heat conductance method here.Experimental data are processed by multiple linear regression and the influential factors of the accuracy are analyzed.The results show that the thermal diffusivity of the carbon fiber materials can be measured conveniently by this technology,and the method is feasible.更多还原