超临界水垂直裸管内流动比热容的空间分布特征

N. Fialko, A.V. Nosovsksyi, S.O. Aleshko, I. Pioro, D. Khmil
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引用次数: 0

摘要

给出了垂直裸管中超临界水上游流动条件下比热容空间分布的计算机模拟结果。考虑了伪相变“伪液-伪气”前缘沿管长方向的运动特征。这个锋面的位置决定了水比热容极值的位置。研究了不同径向坐标值下热容量沿管道长度的径向分布和纵向分布的变化规律。文中给出了在不同比热通量值下对该分布的比较分析数据
本文章由计算机程序翻译,如有差异,请以英文原文为准。
FEATURES OF SPATIAL DISTRIBUTION OF THE SPECIFIC HEAT CAPACITY OF SUPERCRITICAL WATER DURING ITS FLOW IN VERTICAL BARE TUBES
The results of computer modeling of the spatial distribution of the specific heat capacity under condition of the upstream flow of supercritical water in vertical bare tubes are given. The features of the motion along the tube length the front of the pseudo-phase transition "pseudoliquid-pseudogas" are considered. The position of this front determines the location of the extremums of the specific heat capacity of water. The regularities of changes in the radial distributions of heat capacity along the length of the tube and longitudinal distributions for different values of the radial coordinate are investigated. The data of a comparative analysis of this distribution at various values of the specific heat flux supplied to the tube wall are presented
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