| Issue |
E3S Web Conf.
Volume 257, 2021
5th International Workshop on Advances in Energy Science and Environment Engineering (AESEE 2021)
|
|
|---|---|---|
| Article Number | 02017 | |
| Number of page(s) | 5 | |
| Section | Research on Energy Consumption and Energy Industry Benefit | |
| DOI | https://doi.org/10.1051/e3sconf/202125702017 | |
| Published online | 12 May 2021 | |
Research On Optimization Method of Fatigue Analysis for Nuclear Pipeline
1
Suzhou Nuclear Power Research Institute, Shenzhen of Guangdong Prov. 518120, China
2
Daya Bay Nuclear Power Operations and Management Co., Ltd., Shenzhen of Guangdong Prov. 518124, China
3
China Nuclear Power Design Co., Ltd., Shenzhen of Guangdong Prov. 518172, China
* Corresponding author: yuanliang@cgnpc.com.cn
The initial design life of nuclear power plant is 40 years. In 60 year life extending license application, the fatigue of component should be evaluated under the influence of the fatigue factors of the pressurized water reactor coolant environment. Because the original design used a more conservative analysis method, the result could not meet the requirement of Cumulative usage fatigue factor of RCC-M. An optimizing analysis method is studied, and as an example of application, optimizing fatigue analysis of Safety Injection Nozzle of Main Coolant Line is performed. The evaluation results show that the optimized fatigue analysis results meet the requirements of RCC-M.
© The Authors, published by EDP Sciences, 2021
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