Measurement of the Mass Transfer into Single Drops in the System of Water/Supercritical Carbon Dioxide

2000 ◽  
Vol 231 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Jan Zappe ◽  
Arno Wesch ◽  
Klaus Heinrich Ebert
2017 ◽  
Vol 53 (12) ◽  
pp. 3409-3420
Author(s):  
M. Hu ◽  
R. Benning ◽  
Ö. Ertunç ◽  
A. Delgado ◽  
V. Nercissian ◽  
...  

2011 ◽  
Vol 327 ◽  
pp. 012041 ◽  
Author(s):  
M Hu ◽  
R Benning ◽  
Ö Ertunc ◽  
J Neukam ◽  
T Bielke ◽  
...  

2012 ◽  
Vol 326-328 ◽  
pp. 360-365
Author(s):  
Miao Hu ◽  
Rainer Benning ◽  
Özgür Ertunc ◽  
Antonio Delgado ◽  
Vanusch Nercissian ◽  
...  

In this work special attention is paid on the direct visualization of the diffusion process of oil droplets in supercritical carbon dioxide as well as a better characterization of the process by quantitative evaluation of the diffusion coefficients obtained with a shearing interferometer. Experiments are also to be carried out under microgravity in to improve the experiment condition where the influence of gravity-driven convection that usually dominates the transport process is minimized.


Author(s):  
Uthai Prasopchingchana ◽  
Zhiheng Lei ◽  
Bakhtier Farouk

Numerical simulations of heat and mass transfer in supercritical carbon dioxide are carried out for natural convection conditions in a differentially heated square enclosure. The two vertical walls are maintained at different temperatures while the two horizontal walls are insulated. For the mass transfer studies, a heated vertical naphthalene wall is considered. Properties of supercritical carbon dioxide are evaluated from the National Institute of Standards and Technology (NIST) Standard Reference Database 12. A correlation for the mean Nusselt number along the heated wall is obtained as a function of the heat transfer Rayleigh number (for a given Prandtl number). A correlation for the temporal Sherwood number along the naphthalene surface is obtained as a function of the mass transfer Rayleigh number, and Fourier number (for a given Schmidt number). The results are compared with result available in the literature.


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