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TECHNICAL PAPERS

Analysis of Heat Transfer Between the Gas Torch and the Plate For the Application of Line Heating

[+] Author and Article Information
Jong Gye Shin

Dept. of Naval Architecture and Ocean Engineering, Research Institute of Marine Systems Engineering, Seoul National University, Seoul, 151-744 Korea

Jong Hun Woo

Dept. of Naval Architecture and Ocean Engineering, Seoul National University, Seoul, 151-744 Korea

J. Manuf. Sci. Eng 125(4), 794-800 (Nov 11, 2003) (7 pages) doi:10.1115/1.1616949 History: Received April 01, 2002; Revised April 01, 2003; Online November 11, 2003
Copyright © 2003 by ASME
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References

Figures

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Assumption of the problem domain
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(a) Problem domain, (b) Element meshing
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Material properties of fluid
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Convergence time for steady state flow
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(a) Velocity field (m/s) (b) Temperature field (K) at t=1.0 (sec)
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(a) Nusselt number (b) Heat convective coefficient
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Experimental setup, (a) Insulation setup for preventing heat loss (b) Heating from the torch to the steel plate (c) Thermo couple attached to the bottom of the steel plate
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Comparison (a) between the results of the experiments and the finite element method results by Gaussian heat flux (b) between the results of the experiments and the finite element method results by this paper at fixed time (c) between the results of the experiments and the finite element method results by this paper at fixed location (r: distance from the heating center to the radial direction, z: depth from the surface of the steel plate, −9 mm is the bottom surface of the steel plate)
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Procedure of conduction analysis
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Temperature field (K) of the plate at t=1 (sec)
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Comparison between the Gauss heat flux distribution and the history of the heat flux of this paper

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