Browse > Article
http://dx.doi.org/10.3795/KSME-B.2005.29.7.846

Direct Numerical Simulation of Mass Transfer in Turbulent Flow Around a Rotating Circular Cylinder (II) - Effect of Schmidt Number -  

Hwang Jong-Yeon (인하대학교 기계기술공동연구소)
Yang Kyung-Soo (인하대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.29, no.7, 2005 , pp. 846-853 More about this Journal
Abstract
In this paper, mass transfer in turbulent flow around a rotating circular cylinder is investigated by Direct Numerical Simulation for Schmidt numbers Sc=1 and 1670. Correlation between Sherwood and Reynolds number predicted agrees well with other experimental results over both Sc. Reynolds analogy identified at Sc=1 definitely causes a strong correlation between concentration fluctuation and streamwise velocity. For Sc=1670, it is found that positive small values of concentration fluctuations are observed more frequently than the case of Sc=1 particularly out of the range of Nernst diffusion layer in the viscous sub-layer. This fact is fully confirmed by detailed statistical study using a probability density function of concentration fluctuations.
Keywords
Direct Numerical Simulation; Correlation; Probability Density Function(pdf); Nernst Diffusion Layer;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Brernhorst, K., 'A Continued Study on the Electrochemical Deposition of Cupric Ions for the Determination of Mass Transfer Rates to a Stepped Rotating Cylinder Electrode,' personal communication
2 Eisenberg, M., Tobias, C. W. and Wilke, C. R., 1954, Chem. Eng. Prog. Symp. Series, Vol. 51, No. 1
3 Tennekes, H. and Lumley, I., 1972, 'A First Course in Turbulence,' The MIT Press
4 Hwang, J. Y. and Yang, K. S., 2005, 'Direct Numerical Simulation of Mass Transfer in Turbulent Flow Around a Rotating Circular Cylinder (I),' Tran. of the KSME(B), Vol. 29, No. 7, pp. 837-845
5 Kader, B. A. and Yaglom, A. M., 1972, 'Heat and Mass Transfer Laws for Fully Turbulent Wall Flows,' Int. J. Heat Mass Transfer, Vol. 15, No. 9, pp. 2329-2351   DOI   ScienceOn
6 Kader, B. A., 1981, 'Temperature and Concentration Profiles in Fully Turbulent Boundary Layers,' Int. J. Heat Mass Transfer, Vol. 24, No. 9, pp. 1541-1544   DOI   ScienceOn
7 Calmet, I. and Magnaudet, J., 1997, 'Large-Eddy Simulation of High-Schmidt Number Mass Transfer in a Turbulent Channel Flow,' Physics of Fluids, Vol. 9, No.2, pp. 438-455   DOI   ScienceOn