Experimental study of non-condensable gas effects on sonic limit of sodium heat pipe

Zhang, Muhao; Miao, Qianfan; Zhang, S. Y.; Ma, Yugao; Ding, Shuhua; Zhang, Zhuohua; Gu, Zhixing

doi:10.1016/j.applthermaleng.2023.120970

Cited by 6 publications

(1 citation statement)

References 44 publications

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“…The sodium HTHP in vacuum mode, on the other hand, exhibited rough start-up behavior as seen by high temperature spikes at the evaporator and heater during the frozen start-up process. Zhang et al (2023) experimentally explored the influence of NCG existence on sodium HTHP. The maximum heat transfer rate under the sonic limit is found to be reduced due to the presence of NCG in the HP.…”

Section: Ncg Influencementioning

confidence: 99%

Review of reactor conceptual design and thermal hydraulic characteristics for heat pipe in nuclear systems

Wang,

Ren,

2023

Front. Energy Res.

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Heat pipe cooled reactors (HPCRs) have broad application prospects due to their advantages, such as high power density, compact structure, lower cost, and easy modular assembly. Numerous countries have engaged in extensive research and development of HPCR conceptual designs. The heat from the reactor is removed by high temperature heat pipes (HTHPs), which generally employ alkali metals as the working fluid, such as potassium, sodium, and lithium. Understanding the thermal-hydraulic performance of HTHPs is essential for the safe and efficient operation of a reactor. Therefore, the objective of this paper is to provide a comprehensive review of HPCR conceptual designs developed by various countries in recent years. The research progress of HTHPs on flow and heat transfer performance is reviewed, with an emphasis on both transient and steady-state characteristics. Research progress, as well as the issues that need to be focused on in future research, are discussed in detail.

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Section: Ncg Influencementioning

confidence: 99%