The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Surface tension measurements of binary hydrofluorocarbon mixtures
Author(s): 
Pages: 1672-1675
Year: Issue:  12
Journal: JOURNAL OF TSINGHUA UNIVERSITY(SCIENCE AND TECHNOLOGY)

Keyword:  工程热力学氢氟烃(HFC)二元混合物表面张力;
Abstract: 氢氟烃(HFC)混合物是长期性的制冷剂替代物,其表面张力数据对于制冷空调设备的设计计算必不可少.对HFC-32/125,HFC-32/134a,HFC-32/227ea,HFC-143a/227ea和HFC-143a/134a 5种二元混合制冷剂的表面张力进行了实验研究,用毛细管内液面上升高差法(DCRM)精确测量了其253~333K的表面张力数据,温度和表面张力的最大不确定度分别为±10mK和±0.15mN·m-1.使用测量结果拟合得到了对应混合工质的表面张力关联式,并与目前已有的文献数据进行了比较.
Related Articles
loading...