Damage evaluation of 500 MWe Indian Pressurized Heavy Water Reactor nuclear containment for aircraft impact |
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| Affiliation: | 1. Sino-French Institute of Nuclear Engineering & Technology, Sun Yat-Sen University, Zhuhai 519082, Guangdong, China;2. China Nuclear Power Technology Research Institute, Shenzhen 518026, Guangdong, China;3. School of Engineering, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China;1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China;2. Institute of Earthquake Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China;3. China General Nuclear Power Group, Shenzhen 518029, Guangdong, China;1. Department of Civil Engineering, Hefei University of Technology, Hefei 230009, China;2. College of Economics and Management, Hefei University, Hefei 230601, China;3. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;4. Department of Civil and Environmental Engineering, University of Houston, Houston 77021, USA |
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| Abstract: | Safety assessment of Indian nuclear containments has been carried out for aircraft impact. The loading time history for Boeing and Airbus categories of aircrafts is generated based on the principle of momentum transfer of crushable aircrafts. The case studies include the analysis of BWR Mark III containment as a benchmark problem and analyses of Pressurised Heavy Water Reactor containment (inner and outer containment) for impulsive loading due to aircraft impact. Initially, the load is applied on outer containment wall model and subsequently the load is transferred to inner containment after the local perforation of the outer containment wall is noticed in the transient simulation. The analysis methodology evolved in the present work would be useful for studying the behavior of double containment walls and multi barrier structural configurations for aircraft impact with higher energies. The present analysis illustrates that with the provision of double containments for Indian nuclear power plants, adequate reserve strength is available for the case of an extremely low probability event of missile impact generated due to the commercial aircrafts operated in India. |
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