HFE7100和HFE7500的热物理性质

doi:10.11949/j.issn.0438-1157.20151505

化工学报 ›› 2016, Vol. 67 ›› Issue (5): 1680-1686.DOI: 10.11949/j.issn.0438-1157.20151505

HFE7100和HFE7500的热物理性质

毕胜山¹, 崔军卫¹, 马纶建¹, 赵贯甲², 吴江涛¹

1 西安交通大学热流科学与工程教育部重点实验室, 陕西西安 710049;
2 太原理工大学电气与动力工程学院, 山西太原 030024

收稿日期:2015-09-28 修回日期:2015-11-06 出版日期:2016-05-05 发布日期:2016-05-05
通讯作者: 毕胜山
基金资助:
国家自然科学基金项目(51276142)。

Thermophysical properties of HFE7100 and HFE7500

BI Shengshan¹, CUI Junwei¹, MA Lunjian¹, ZHAO Guanjia², WU Jiangtao¹

1 Key Laboratory of Thermal-Fluid Science and Engineering of Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China;
2 College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

Received:2015-09-28 Revised:2015-11-06 Online:2016-05-05 Published:2016-05-05
Supported by:
supported by the National Natural Science Foundation of China (51276142).

摘要/Abstract

摘要：

为了获得氢氟醚HFE7100、HFE7500的热物理性质参数,补充现有数据不足,为其作为电子元器件的冷却介质、工业清洗剂等工程应用提供技术支持,利用瞬态热线法测量了常压下HFE7100和HFE7500的热导率,并用表面光散射法测量了HFE7100和HFE7500的液相黏度和表面张力。HFE7100和HFE7500的热导率和液相黏度均关联成温度的多项式函数,HFE7100热导率和黏度的实验值和关联式的平均绝对偏差分别为0.37%和1.19%,HFE7500热导率和黏度的实验值和关联式的平均绝对偏差分别0.08%和1.10%。利用改进的van der Waals关联表面张力和温度的关系,HFE7100和HFE7500的表面张力的实验值和关联式的平均绝对偏差分别为0.03 mN·m^-1和0.02 mN·m^-1。获得的HFE7100和HFE7500的热导率、黏度和表面张力实验数据及方程,可为其工程应用提出数据支持。

关键词: HFE7100, HFE7500, 热导率, 黏度, 表面张力

Abstract:

Due to their favorable thermophysical and environmental properties HFE7100 and HFE7500 are extensively applied as heat transfer fluids in semiconductor industry and cleaning solvents in electronic components. Thermal conductivity of HFE7100 and HFE7500 under atmospheric pressure was measured by a transient hot-wire technique, as well as their liquid viscosity and surface tension by the surface light scattering (SLS) method. Thermal conductivity and liquid viscosity were correlated with temperature as polynomial functions. The average absolute deviations between correlations and experimental data of thermal conductivity and liquid viscosity are 0.37% and 1.19% for HFE7100, and 0.08% and 1.10% for HFE7500, respectively. A modified correlation based on van der Waals was used for that of surface tension as a function of temperature, by which the average absolute deviations of surface tension are 0.03 and 0.02 mN·m^-1 for HFE7100 and HFE7500, respectively. In this study, the experimental and correlation data of conductivity, viscosity and surface tension can be supportive for engineering application.

Key words: HFE7100, HFE7500, thermal conductivity, viscosity, surface tension

中图分类号:

TB61⁺2

毕胜山, 崔军卫, 马纶建, 赵贯甲, 吴江涛. HFE7100和HFE7500的热物理性质[J]. 化工学报, 2016, 67(5): 1680-1686.

BI Shengshan, CUI Junwei, MA Lunjian, ZHAO Guanjia, WU Jiangtao. Thermophysical properties of HFE7100 and HFE7500[J]. CIESC Journal, 2016, 67(5): 1680-1686.

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HFE7100和HFE7500的热物理性质

Thermophysical properties of HFE7100 and HFE7500

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