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在实验研究的基础上提出了硬泡沫塑料低温比热的分析模型,导出了有关计算公式。讨论了聚氨酯硬泡沫塑料低温比热与密度、温度以及空气中存放时间等参数的关系。
Based on the experimental research, the analytical model of low temperature specific heat of rigid foam was proposed and the relevant calculation formulas were derived. The relationship between low temperature specific heat of polyurethane rigid foam and density, temperature and storage time in air was discussed.