基于激光点热源非稳态传热模型测固体材料热物性参数

陈清华, 高伟, 苏国用, 关维娟, 秦汝祥, 季家东, 马杨斌

Test of Thermo-Physical Property Parameters of Solid Material Based on Laser Point Heat Source Unsteady-State Heat Transfer Model

CHEN Qinghua, GAO Wei, SU Guoyong, GUAN Weijuan, QIN Ruxiang, JI Jiadong, MA Yangbin

表3 4种材料热物性测试结果与参考文献对比

Tab.3 Comparison between measurement results and results in references of four materials

材料 α×107/ (m2·s-1) λ/(W·m-1·K-1) Δd/ % c/(J· kg-1·K-1) 测试 结果 文献 [17-19] 大理石 12.03 2.747 2.700 1.74 871.40 硅砖 6.51 1.080 1.051 2.76 976.58 硅藻土耐火砖 4.68 0.225 0.227 0.88 694.41 锆质砖 2.77 6.702 6.300 6.38 659.77