摘要
用实验室建立的小型液体导热率测试仪，测定常压下正庚烷－正十二烷和正十一烷－正十六烷两个二元烷烃混合物体系在３１３．１５Ｋ、３３３．１５Ｋ及３５３．１５Ｋ时的导热率数据。另外，还将流体传递性质的ｖａｎｄｅｒＷａｌｓ模型扩展，应用该模型合适的混合规则，对研究的两个烷烃二元混合物体系不同温度下的导热率进行了预测，结果令人满意。
he thermal conductivities of the binary systems of nheptanendodecane and nundecanenhexadecane were measured at 313.15K,333.15K and 353.15K,respectively.An extension of the van der Waals model for the thermal conductivity of liquid alkane mixtures in wide temperature ranges has been developed.Using an appropriate mixing rule without any adjustable parameters,we applied the model to predicting the thermal conductivity data for the two binary systems studied in this work.The predicted thermal conductivities are in excellent agreement with the experimental values.
出处
《石油化工》
EI
CAS
CSCD
北大核心
1997年第12期830-833,共4页
Petrochemical Technology
关键词
烷烃混合物
导热率
测定
预测
alkane mixture,thermal conductivity,van der Waals model,mixing rule
