【摘要】 在计算液体导热系数的Weber方程和Sato关系式的基础上,根据对有机物液体导热系数影响因素的分析研究,提出了估算有机物导热系数的计算模型;利用该模型计算了22个体系74个数据点的有机物液体的导热系数,计算值与实验值的总平均相对偏差3.18%,计算准确性优于文献方法;计算结果表明,利用被估算物质的摩尔质量、临界温度、正常沸点温度和临界压缩因子数据,可以直接预测各种温度下液体有机物的导热系数。更多还原

【Abstract】 Based on the Weber equation and Sato relation for calculating the thermal conductivity of liquid,according to analysis and research on the thermal conductivity of organic compound and effective factors,author has presented the calculating model for estimating the thermal conductivity of organic compound;has calculated the thermal conductivity of organic liquid for 74 data points in 22 systems by using of this model,the total averaged relative deviation was 3.18% between calculated values and experimented values,accuracy of calculation was better than method from literature;calculating result indicates that thermal conductivity of organic liquid can be predicted under various temperatures using the mole mass,critical temperature,normal boiling temperature and critical compression factor data.更多还原