determining thermal mass diffusivity热质扩散系数
thermal l diffusivity热扩散性能
thermal l diffusivity of rocks岩石热扩散率
thermal diffusivity of rocks岩石热扩散率;岩看热扩散率
electron thermal diffusivity电子热扩散系数
thermal conductivity and diffusivity热物性
Soil thermal diffusivity土壤热扩散率;土壤导温率
lateral thermal diffusivity横向热扩散率
solid phase thermal diffusivity固相热扩散率
In this paper, a new method of measuring thermal diffusivity and thermal conductivity tensor at room temperature with photothennal signal is presented.
本论文中讨论了一种利用光热技术在室温下测量材料的热扩散率和热导张量的方法。
The thermal diffusivity is determined by fitting the experimental data. Photothermal signals from anisotropic media, which is irradiated by a modulated laser beam, are analyzed in the second part.
从光热辐射理论出发，在一定条件下，推导出位相信号和调制频率的关系表现为线性关系，分析实验数据并拟合出各向同性材料的热扩散系数。
参考来源 - 不透明材料热扩散率PTR测量方法的研究