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超临界水冷反应堆内带定位格架的类三角形堆芯通道流动传热特性研究

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Indexed by:期刊论文

Date of Publication:2018-10-15

Journal:核科学与工程

Volume:38

Issue:5

Page Number:750-756

ISSN No.:0258-0918

Key Words:超临界水冷反应堆;类三角形子通道;定位格架;流动特征;传热特性

Abstract:采用结构化多面体网格和商用CFD软件对反应堆堆芯棒径D=8 mm,栅距比P/D=1.4超临界水冷反应堆内带定位格架类三角形堆芯通道内超临界水流动与传热特性进行研究.研究结果表明:采用SSG湍流模型计算得出的内壁温度与实验数据吻合良好.定位格架会导致工质产生扰动,阻流片型定位格架比标准型定位格架对流体扰动影响大.定位格架可强化堆芯通道内超临界水传热,阻流片型定位格架末端强化换热能力要优于标准型定位格架.

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