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High Schmidt Mass Transfer Using Chapman-Khun’S Near Wall Coherent Structure Model, Mingyong Chen, Qian Chen, Jiang Zhe, Vijay Modi
High Schmidt Mass Transfer Using Chapman-Khun’S Near Wall Coherent Structure Model, Mingyong Chen, Qian Chen, Jiang Zhe, Vijay Modi
Dr. Jiang Zhe
High Schmidt number mass transfer in a fully developed turbulent flow is examined using a near wall coherent structure model. The computational approach relies on specification of idealized boundary conditions in the form of a two eddy structure imposed at a distance of y+=40 away from the wall. The parameters describing the spatial and temporal eddy behavior are obtained from a combination of experimental observation, analysis and computer trials as described by D.R. Chapman, G.D. Kuhn (AIAA Paper 81-1024 (1981) 306–316). Among these parameters, those describing the root mean square (rms) velocities in normal and spanwise directions are …