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首页> 外文期刊>International Journal of Heat and Mass Transfer >Investigation of radiative and convective heat transfer in storage vaults for improving space efficiency
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Investigation of radiative and convective heat transfer in storage vaults for improving space efficiency

机译：研究储存库中的辐射和对流传热，以提高空间效率

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摘要

We used computational analysis in order to study the cooling effects of the cylindrical tubes located inside a storage vault for spent nuclear fuel. We considered the effects of the radiative and convective heat transfer on the cooling of the cylindrical tubes based on the non-dimensional maximum permissible surface temperature. We also identified the factors that affect the cooling of cylindrical tubes by investigating the cooling effects with the same heat source as a function of the distance between the tubes, the entrance length, and the tube arrangement. The thermal performance characteristics indicated that a non-uniform staggered tube array could be used in order to improve the storage efficiency of a vault in comparison to the reference uniform in-line tube arrangement, while maintaining the tube surface temperatures at a value below the maximum permissible temperature.
机译：我们使用计算分析来研究位于乏核燃料存储库中的圆柱管的冷却效果。我们基于无量纲的最大允许表面温度考虑了辐射和对流传热对圆柱管冷却的影响。我们还通过研究相同热源的冷却效果来确定影响圆柱管冷却的因素，这些影响取决于管之间的距离，入口长度和管的布置。热性能特征表明，与参考均匀串联管布置相比，可以使用非均匀交错管阵列来提高保管库的存储效率，同时将管表面温度保持在低于最大温度的值允许温度。

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