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헬리컬 증기발생기 코일에서 강제대류 비등 열전달 및 유동의 수치적 예측
조종철(J C. Jo),김효정(H. J. Kim),김웅식(W. S. Kim),유선오(S. O. Yu) 한국전산유체공학회 2004 한국전산유체공학회 학술대회논문집 Vol.2004 No.-
In this study, three-dimensional numerical calculations are performed to simulate the flow and heat transfer in helically coiled tube steam generator employing a commercial CFD (Computational Fluid Dynamics) code. The problem considered herein includes the boiling phase change flow of tube side fluid and the single-phase counter-current flow of shell side hot fluid transferring heat to the tube side flow thru the tube wall. Detailed investigations are performed for both shell-side and tube-side flow fields in terms of density and volume fractions of each phase of fluids as well as for the tube wall heat transfer field in terms of heat transfer coefficients.