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《Journal of Harbin Engineering University》 2006-02
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Forced convection boundary condition for subcooled water in the simulation of line heating process

WANG Ji,LIU Yu-jun,JI Zhuo-shang,DENG Yan-ping,ZHANG Jun (Department of Naval Architecture and Ocean Engineering,Dalian University of Technology,Dalian 116023,China)  
In the simulation of a line heating process,the convection boundary condition,especially subcooled water forced convection,greatly influences the results of numerical simulation.Calculating the convection coefficient is a difficult problem in simulations.Here,the theory of forced convection boiling was used to study subcooled water forced convection during the line heating process.By determining the wall temperatures of originate nucleate boiling(ONB) and critical heat flux(CHF) for subcooled water and comparing the plate temperature of these two wall temperatures,the status of water can be determined,and the corresponding convection coefficient calculated.Simulation results show that the precision of this forced convection boiling boundary condition is much better than that whose boundary condition is based on the pool boiling curve.
【Fund】: 国家863计划基金资助项目(2001AA421200)
【CateGory Index】: TG386.31
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【Co-citations】
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1 CHENG Yin-bing, WU Guang-ming, MA Jian-hua, SHEN Jun (Pohl Institute of Solid State Physics, Tongji University, Shanghai 200092, China);Numerical simulation of heat transfer of horizontal column at high temperature[J];Ordnance Material Science and Engineering;2002-02
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1 ZHANG Xue-biao,JI Zhuo-shang,LIU Yu-jun,DENG Yan-ping(Department of Naval Architecture,Dalian University of Technology,Dalian 116023,China);Effect of line heating factors on transverse shrinkage generated by line heating[J];Journal of Ship Mechanics;2006-02
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