Abstract
The convective heat transfer characteristics of reactor system under ocean condition affect the reliability and safety of its operation. The modification of system code applied to marine reactor mainly focuses on momentum equation and geometry position, but rare of improvement on heat transfer model. Therefore in this paper, a series of single-phase flow experiments in circular and rectangular channels under ocean motion are summarized. Then the related heat transfer models are analyzed and compared with experiment data. The results show that the existing models have limited application in different intervals of Reynolds Number. In order to optimize the heat transfer model, time average and pulsation amplitude of Nusselt number is taken into consideration and modified based on mechanism and best fit of existing experiments.
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