Abstract:
The conceptual design of heat pipe cooled passive residual heat removal system (HP-PRHRS) was proposed to improve passive safety performance of molten salt reactor (MSR). Based on the structure of HP-PRHRS and the operation performance of MSR, a set of reasonable mathematical physical models were built, mainly including reactor core physical thermal model, high temperature heat pipe model and HP-PRHRS model. Analysis code PRAC for HP-PRHRS was developed for MSR adopting those models. The verification of the code was conducted using MSRE benchmark and the transient experimental data. The results show that the calculated value of PRAC code is in good agreement with the benchmark and experimental results, which proves the accuracy of the model and code. HP-PRHRS model and PRAC code can support and provide foundation for the future research on MSR.
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