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http://dx.doi.org/10.6112/kscfe.2016.21.1.086

COMPUTATIONAL ANALYSIS OF THERMAL FLOW WITH VARYING THE DIAMETER AND THE NUMBER OF TUBES IN PULSATING HEAT PIPES  

Han, S.H. (Dept. of Aerospace Engineering, Graduate School, Sunchon National Univ.)
Choi, J.W. (School of Mechanical and Aerospace Engineering, Sunchon National Univ.)
Kim, S.C. (School of Mechanical and Aerospace Engineering, Sunchon National Univ.)
Publication Information
Journal of computational fluids engineering / v.21, no.1, 2016 , pp. 86-93 More about this Journal
Abstract
In this paper, heat transfer characteristics of pulsating heat pipes are investigated with the diameter and the number of tubes through the computational analysis of thermal flow. The numerical simulation includes the phase change precess with VOF model using OpenFOAM software. The numerical code is modified for the phase change to occur with saturation temperature. The numerical results are compared with the previous ones to validate the present code. The resonable results have been obtained based on the mass transfer time relaxation parameter considering the density ratio. When the ratio of length to diameter and the number of tubes are on the decrease, the thermal resistances also tends to decrease in the pulsating heat pipes. These numerical results will supply the base line data to design and to manufacture the pulsating heat pipe.
Keywords
Pulsationg Heat Pipe; Heat Transfer Characteristics; Phase Change; VOF Model; Thermal Resistance;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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