Determination of Binary Gas Diffusion Coefficients Using Digital Holographic Interferometry

被引：14
|
作者：
He, Maogang [1 ]
Guo, Ying [1 ]
Zhong, Qin [1 ]
Zhang, Ying [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2010年 / 55卷 / 09期
关键词：
D O I：
10.1021/je1001076
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
On the basis of the Mach-Zehnder optical interference model, a digital holographic interferometric experimental system was set up, and a new diffusion cell especially for measuring the binary gas diffusion coefficient was designed and constructed. With the theory for measuring the binary gas diffusion coefficient and the interference fringe processing method introduced before, the binary gas diffusion coefficient can be obtained. In comparison with the reference data of O-2 in air, the experiment accuracy of the system was verified. The diffusion coefficients of H-2, He, NH3, CH4, O-2, and CO2 in air at T = (278.15 to 343.15) K under normal atmospheric pressure were measured and compared with results of a correlation. The comparison showed that the results are reasonable.
引用
收藏
页码：3318 / 3321
页数：4
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