高温气冷堆联合循环核电站条件下鳍片类型和几何形状对热性能和水力性能的影响

Thermo Pub Date : 2024-08-09 DOI:10.3390/thermo4030020
K.A.A. Ramadan, K.V. Slyusarskiy
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引用次数: 0

摘要

核能开发的一种方法是使用氦气。由于氦的特性,必须使用扩展表面。然而,目前的核技术通常不使用翅片管。本研究探讨了如何通过在热交换器中使用新型翅片设计来去除余热,从而提高高温气体冷却反应堆系统的传热效率。研究了四种不同类型的翅片:环形、锯齿形、方形和螺旋形。对翅片高度、厚度和数量的影响进行了评估。与传统的环形翅片设计相比,锯齿形和螺旋形翅片表现出更优越的性能,这体现在效率的提高上。研究发现,翅片厚度对效率的影响最大,而翅片高度和每米翅片数量的影响较小。此外,研究还强调了在优化翅片设计时考虑复杂效应的重要性,例如翅片几何形状对氦气速度的影响。研究结果凸显了创造性翅片设计的潜力,可大大提高气冷反应堆系统的效率和可靠性,为核电站技术的进步提供了可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Fin Type and Geometry on Thermal and Hydraulic Performance in Conditions of Combined-Cycle Nuclear Power Plant with High-Temperature Gas-Cooled Reactors
One method of nuclear energy development involves using helium. Its properties make using extended surfaces obligatory. However, currently nuclear technology does not typically use finned tubes. This study explores ways of enhancing heat transfer efficiency in a high-temperature gas-cooled reactor system by using novel fin designs in the heat exchanger for residual heat removal. Four different types of fins were studied: annular, serrated, square, and helical. The effect of fin height, thickness, and number was evaluated. Serrated and helical fins demonstrated superior performance compared to conventional annular fin designs, which was expressed in enhanced efficiency. The thickness of fins was found to have the strongest influence on the efficiency, while the height and number of fins per meter had weaker effects. In addition, the study emphasized the significance of considering complex effects when optimizing fin design, like the effect of fin geometry on the velocity of helium. The findings highlight the potential of creative fin designs to greatly enhance the efficiency and dependability of gas-cooled reactor systems, opening up possibilities for advancements in nuclear power plant technology.
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