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首页> 外文期刊>Annals of nuclear energy >Development of a general coupling interface for the fuel performance code TRANSURANUS - Tested with the reactor dynamics code DYN3D
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Development of a general coupling interface for the fuel performance code TRANSURANUS - Tested with the reactor dynamics code DYN3D

机译：开发用于燃料性能代码TRANSURANUS的通用耦合接口-已通过反应堆动力学代码DYN3D测试

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摘要

A general interface is presented for coupling the TRANSURANUS fuel performance code with thermal hydraulics system, sub-channel thermal hydraulics, computational fluid dynamics (CFD) or reactor dynamics codes. As first application the reactor dynamics code DYN3D was coupled at assembly level in order to describe the fuel behavior in more detail. In the coupling, DYN3D provides process time, time-dependent rod power and thermal hydraulics conditions to TRANSURANUS, which in case of the two-way coupling approach transfers parameters like fuel temperature and cladding temperature back to DYN3D. Results of the coupled code system are presented for the reactivity transient scenario, initiated by control rod ejection. More precisely, the two-way coupling approach systematically calculates higher maximum values for the node fuel enthalpy. These differences can be explained thanks to the greater detail in fuel behavior modeling. The numerical performance for DYN3D TRANSURANUS was proved to be fast and stable. The coupled code system can therefore improve the assessment of safety. criteria, at a reasonable computational cost. (c) 2014 Elsevier Ltd. All rights reserved.
机译：提供了用于将TRANSURANUS燃料性能代码与热液压系统，子通道热液压，计算流体力学（CFD）或反应堆动力学代码耦合的通用界面。作为第一个应用程序，反应堆动力学代码DYN3D在组件级别进行了耦合，以便更详细地描述燃料行为。在联轴器中，DYN3D为TRANSURANUS提供了过程时间，随时间变化的连杆功率和热液压条件，在双向联轴器方法中，这些参数将燃料温度和包层温度等参数传回DYN3D。给出了通过控制棒弹出引发的反应性瞬态情况的耦合代码系统的结果。更准确地说，双向耦合方法系统地计算节点燃料焓的更高最大值。这些差异可以通过燃油行为建模中的更多细节来解释。 DYN3D TRANSURANUS的数值性能被证明是快速且稳定的。因此，耦合代码系统可以改善安全性评估。标准，以合理的计算成本。 （c）2014 Elsevier Ltd.保留所有权利。

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