水平过冷流沸腾中氧化铜层的传热恶化

IF 12.2 1区 工程技术 Q1 MECHANICS Applied Mechanics Reviews Pub Date : 2023-01-04 DOI:10.3390/applmech4010002
Edgar Santiago Galicia, T. Kinjo, Ouch Som Onn, Toshihiko Saiwai, Kenji Takita, K. Orito, K. Enoki
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引用次数: 0

摘要

水铜是高性能冷却系统中最常见的工作流体和受热面组合之一。通常选择铜是因为它的高导热性,而选择水是因为它的高传热系数,特别是在两相状态下。然而,铜在有水的情况下容易氧化,因此热流性能受到影响。本文在常压闭环条件下,以铜裸表面为受热面,在过冷进口温度ΔTsub为70 K,去离子水质量通量为600 kg·m−2·s−1的恒定条件下进行了实验研究。为了证实传热恶化,实验重复了13次。在流动沸腾区,经过13次实验,结果表明,壁面过热度ΔTsat提高了约26%,热流密度降低了约200 kW·m−2。另一方面,氧化对单相的影响几乎是微乎其微的。
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Heat Transfer Deterioration by the Copper Oxide Layer on Horizontal Subcooled Flow Boiling
Water–copper is one of the most common combinations of working fluid and heating surface in high-performance cooling systems. Copper is usually selected for its high thermal conductivity and water for its high heat transfer coefficient, especially in the two-phase regime. However, copper tends to suffer oxidation in the presence of water and thus the heat flux performance is affected. In this research, an experimental investigation was conducted using a cooper bare surface as a heating surface under a constant mass flux of 600 kg·m−2·s−1 of deionized water at a subcooled inlet temperature ΔTsub of 70 K under atmospheric pressure conditions on a closed-loop. To confirm the heat transfer deterioration, the experiment was repeated thirteen times. On the flow boiling region after thirteen experiments, the results show an increase in the wall superheat ΔTsat of approximately 26% and a reduction in the heat flux of approximately 200 kW·m−2. On the other hand, the effect of oxidation on the single phase is almost marginal.
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来源期刊
CiteScore
28.20
自引率
0.70%
发文量
13
审稿时长
>12 weeks
期刊介绍: Applied Mechanics Reviews (AMR) is an international review journal that serves as a premier venue for dissemination of material across all subdisciplines of applied mechanics and engineering science, including fluid and solid mechanics, heat transfer, dynamics and vibration, and applications.AMR provides an archival repository for state-of-the-art and retrospective survey articles and reviews of research areas and curricular developments. The journal invites commentary on research and education policy in different countries. The journal also invites original tutorial and educational material in applied mechanics targeting non-specialist audiences, including undergraduate and K-12 students.
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