摘要
壬酸乙酯是生物柴油的主要组分之一,其热物理性质是生物柴油制备及应用过程设计的基础数据。利用流动型量热法高压流体比定压热容实验测量系统对壬酸乙酯在温度为303.00～393.00 K、压力为0.10～25.00 MPa时的比定压热容进行了测量,该系统比定压热容的测量不确定度为0.98%。通过实验数据研究了壬酸乙酯比定压热容的变化规律,并对壬酸乙酯比定压热容的实验数据进行了关联,其计算值与实验值之间的最大偏差为0.54%。
Ethyl nonanoate is one of the main components of biodiesel,and its thermophysical properties are the basic data for the design of manufacture and application of biodiesel.The isobaric heat capacitiesof ethyl nonanoate at temperatures from 303 to 393 K and at pressures from 0.1 to 25.0 MPa were measured by a flow method system in thiswork.The extended uncertainty of isobaric heat capacity was estimated to be 0.98%.By the analysis of the experimental data,a new accurate correlation of the isobaric heat capacity of ethyl nonanoate was established.The maximum relative difference between calculate values and experiment results was 0.54%.
作者
杨峰
朱晨阳
刘向阳
何茂刚
YANG Feng;ZHU Chen-yang;LIU Xiang-yang;HE Mao-gang(MOE Key Laboratory of Thermal-Fluid Science and Engineering,Xi'an Jiaotong University,Xi'an 710049,China)
出处
《热科学与技术》
CAS
CSCD
北大核心
2019年第1期16-20,共5页
Journal of Thermal Science and Technology
基金
国家杰出青年科学基金资助项目(51525604)
关键词
壬酸乙酯
高压
比定压热容
流动法
ethyl nonanoate
isobaric heat capacity
high pressure
flow calorimeter
