超汽化换热通道结构优化与性能分析  

Structure optimization and performance analysis of hypervapotron heat exchange channel

作　　者：陈雪梅 张海舰 鲁铭翔 程凯 Chen Xuemei;Zhang Haijian;Lu Mingxiang;Cheng Kai(School of Energy and Power Engineering,Nanjing University of Science and Technology,Nanjing 210094,China)

机构地区：[1]南京理工大学能源与动力工程学院,江苏南京210094

出　　处：《南京理工大学学报》2025年第1期15-24,共10页Journal of Nanjing University of Science and Technology

基　　金：国家自然科学基金(52276071,U2241252)。

摘　　要：超汽化结构为解决聚变堆偏滤器靶板的冷却问题提供了有效解决方案。该文在传统超汽化通道结构的基础上,添加了横向(垂直于流向)和纵向(平行于流向)的矩形微通道,并通过数值模拟研究了通道的温度分布、流型变化及换热性能。结果表明,与平板型超汽化通道相比,集成横向微通道的超汽化通道和集成纵向微通道的超汽化通道的加热面平均温度分别降低128.5 K和113.6 K,平均换热系数分别提升35.5%和30.1%,综合换热性能分别提升34.9%和37.8%。该文研究为超汽化换热通道的结构设计优化提供了有效的借鉴方法和参考依据。The hypervapotron structure presents an effective solution for the cooling challenges in fusion reactor divertor targets.This paper explores the temperature distribution,flow pattern changes,and heat transfer performance of a hypervapotron channel by incorporating transverse(perpendicular to the flow direction)and longitudinal(parallel to the flow direction)rectangular microchannels through numerical simulation.The results demonstrate that compared to the traditional flat-type hypervapotron channel,the average temperatures of the heating surface are reduced by 128.5 K with transverse microchannels and by 113.6 K with longitudinal microchannels.Furthermore,the average heat transfer coefficients are enhanced by 35.5%and 30.1%,respectively,while the overall heat transfer performances are increased by 34.9%and 37.8%,respectively.This research provides valuable insights and references for optimizing the structural design of hypervapotron heat exchanger channels.

关 键 词：微通道 超汽化 沸腾换热 高热流密度 偏滤器靶板 

分 类 号：TL626[核科学技术—核技术及应用]