Applicability Research of RELAP5 for Steam Generator Tube Rupture Accident of AP1000 NPP

Fang Jun; Wu Nan; Qi Ting

doi:10.13832/j.jnpe.2016.03.0070

Volume 37 Issue 3

Feb. 2025

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Fang Jun, Wu Nan, Qi Ting. Applicability Research of RELAP5 for Steam Generator Tube Rupture Accident of AP1000 NPP[J]. Nuclear Power Engineering, 2016, 37(3): 70-74. doi: 10.13832/j.jnpe.2016.03.0070

Citation:

Fang Jun, Wu Nan, Qi Ting. Applicability Research of RELAP5 for Steam Generator Tube Rupture Accident of AP1000 NPP[J]. Nuclear Power Engineering, 2016, 37(3): 70-74. doi: 10.13832/j.jnpe.2016.03.0070

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Applicability Research of RELAP5 for Steam Generator Tube Rupture Accident of AP1000 NPP

doi: 10.13832/j.jnpe.2016.03.0070

China Nuclear Power Engineering Co. Ltd., Beijing, 100840, China

Received Date: 2015-07-22
Rev Recd Date: 2015-12-20

Available Online: 2025-02-15

Abstract

Abstract

Steam generator tube rupture（SGTR） accident is a significant design basis accident which shall be analyzed in PWR nuclear power plant safety analysis reports. Thermo-hydraulic analysis of SGTR accident for licensing has been done using a specific code entitled LOFTTR2. To validate the applicability of RELAP5 for AP1000 SGTR accident, a RELAP5 model for AP1000 is established and used to assess this accident. Results show that both the accident progression and the doses result of RELAP5 calculation correspond well with that in Safety Analysis Report. Thus, RELAP5 and RELAP5 model of AP1000 can apply to other SGTR type analysis.
- SGTR,
- Accident analysis,
- Tube rupture,
- RELAP5,
- LOFTTR2