EFFECTS OF SCHMIDT NUMBER ON TURBULENT MASS TRANSFER AROUND A ROTATING CIRCULAR CYLINDER

被引：0

作者：

Yoon, Dong-Hyeog ^{[1
]}

Yang, Kyung-Soo ^{[1
]}

Lee, Kyongjun ^{[1
]}

Bremhorst, Klaus

机构：

[1] Lnha Univ, Dept Mech Engn, Inchon 402751, South Korea

来源：

PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010, VOL 2: CONDENSATION, CONVECTION, MELTING AND SOLIDIFICATION | 2010年

关键词：

DIRECT NUMERICAL-SIMULATION; CHANNEL FLOW; CORROSION; ELECTRODE; FIELD; HEAT; WALL; DNS;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Characteristics of turbulent mass transfer around a rotating circular cylinder have been investigated by Direct Numerical Simulation. The concentration field was computed for three different cases of Schmidt number, Sc=1, 10 and 100 at Re*-336. Our results confirm that the thickness of the Nernst diffusion layer decreases as Sc increases. Wall-limiting behavior within the Nernst diffusion layer was examined and compared with those of channel flow. Concentration fluctuation was found to be time-scaled with (r(+))(2) while the time scale ratio equals the Schmidt number throughout the Nernst diffusion layer. Scalar modeling closure constants were determined, and turned out to vary considerably within the diffusion layer.

引用

页码：755 / 761

页数：7

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