材料科学
散热片
计算流体力学
核工程
融合
铜
激光器
热交换器
计算机模拟
机械工程
工艺工程
机械
冶金
光学
物理
哲学
工程类
语言学
作者
Gabriele Sciacca,Mirko Sinico,Giacomo Cogo,Davide Bigolaro,A. Pepato,J. Esposito
标识
DOI:10.1016/j.matdes.2022.110415
摘要
One of the technological challenges aimed at improving the cyclotron-based radionuclides’(RNs) supply for Nuclear Medicine (NM), is the availability of proper heat sink systems able to remove the large amount of heat deposited during the irradiation stage onto isotope-enriched targets. In this regard, three different non-standard mockup configurations, made of pure copper by means of the Laser Powder Bed Fusion (LBPF) technique, have been tested with an in-house developed experimental apparatus. The experimental characterization has subsequently been compared with numerical results carried out by means of Computational Fluid Dynamics (CFD) simulations. Our numerical model, based on the Re-Normalization Group (RNG) k-epsilon formulation, has shown close agreement (within 1.06 % Mean Absolute Error) with the experimental results, despite the geometrical complexity of the heat sinks prototypes. The combined experimental and numerical approach, together with the flexibility of additive manufacturing production, was proved to be apt for further development of high-efficiency heat exchange applications in this field.
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