Numerical Simulation and Experimental Research for Thermal Conductivity Measurements of Bulk Materials Based on A Frequency-Domain Hot-Strip Sensor
International Journal of Thermophysics(2022)
摘要
Numerical simulations and experimental study of the 3ω method to measure the thermal conductivity of bulk materials were presented with a nickel strip covered with Kapton films on both sides. Consequently, the conditions (i.e., sample geometry, the thickness of Kapton film, and frequency range) could be predicted when conventional analytical formulas were used to determine the thermal conductivity of bulk material from the data measured. At last, the thermal conductivities of stainless steel 304, quartz glass, and PMMA at room temperature were measured to confirm the validity and accuracy of the numerical calculations.
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关键词
3ω method,PMMA,Quartz glass,Stainless steel 304,Thermal conductivity
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