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http://dx.doi.org/10.3795/KSME-B.2011.35.1.043

Visualization of Natural Convection Heat Transfer on Horizontal Cylinder Using the Copper Electroplating System  

Heo, Jeong-Hwan (Dept. of Nuclear and Energy Engineering, Jeju Nat'l Univ.)
Chung, Bum-Jin (Dept. of Nuclear and Energy Engineering, Jeju Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.35, no.1, 2011 , pp. 43-51 More about this Journal
Abstract
Natural convection heat transfer phenomena on a horizontal cylinder have been studied experimentally in order to investigate the applicability of analogy experimental methodology using a copper electroplating system and to visualize the local heat transfer rates depending on the angular position and the diameter of the horizontal cylinder. In the copper electroplating system, the copper ion produced at the anode moves by convection and diffusion to the cathode and reduces at the cathode, representing the heat transfer. By using aluminum cathode with a distinguishable color, the amount of copper plated could visualize the amount of heat transferred depending on the angular position of the cylinder. The diameter of the cylinder is varied from 0.01m to 0.15m, which correspond to Rayleigh numbers in the range of $1.73{\times}10^7$ to $5.69{\times}10^{11}$. The test results are in good agreement with existing heat transfer correlations.
Keywords
Analogy; Electroplating System; Limiting Current; Natural Convection; Visualization;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
Times Cited By SCOPUS : 5
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