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首页> 外文期刊>Nuclear Engineering and Design >External surface temperature measurements for the heat transfer analysis of internally heated cylindrical clad-tubes subjected to external forced convection bulk water coolant thermal-hydraulic conditions
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External surface temperature measurements for the heat transfer analysis of internally heated cylindrical clad-tubes subjected to external forced convection bulk water coolant thermal-hydraulic conditions

机译：外表温度测量用于外部强制对流散装水冷液热液压条件的内部加热圆柱包管的传热分析

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摘要

In a worldwide pursuit for more Accident Tolerant nuclear Fuel (ATF), the quest to obtain and certify alternative nuclear fuel cladding tubes for light-water nuclear power reactors is still a key challenge. One of the facets in this program to develop more ATF is the heat transfer evaluation between the various proposed clad tubes manufactured from suitable replacement materials and the current zirconium-alloy based clad tubes used in nuclear power reactors. For the heat transfer analysis, the accurate measurement of the temperature on the heat transfer surface of heated tubes to be tested was one of the important objectives for the effective analysis of the heat transfer characteristics to the water coolant. After extensive investigations, a suitable technique was developed and validated against recognised forced convection heat transfer correlations. The results showed that this technique was well suited for external forced convection heat transfer studies from heated surfaces exposed to forced convection water coolants.
机译：在全球追求更多事故耐受核燃料（ATF）中，寻求获得和认证的轻水核电反应堆的替代核燃料包层仍然是一个关键挑战。该程序中开发更多ATF的一个方面是由合适的替代材料和核电反应器中使用的当前锆合金的基于锆合金的包覆管之间的各种所提出的包覆管之间的传热评估。对于传热分析，待测热管的热传热表面的温度的精确测量是有效分析水冷却剂的传热特性的重要目标之一。在广泛的调查之后，开发了合适​​的技术并验证了认可的强制对流传热相关性。结果表明，该技术非常适合从暴露于强制对流水冷却剂的加热表面的外部强制对流传热研究。

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