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Keywords: Severe Accidents
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Proceedings Papers

Proc. ASME. ICONE29, Volume 5: Nuclear Safety, Security, and Cyber Security, V005T05A040, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-92375
... plant. Keywords: Hydrogen, Deflagration, Severe accidents, Nuclear power plants. 1. INTRODUCTION Most of nuclear power plants in service use light water as a moderator and coolant. When a severe accident occurred in a nuclear power plant, the zirconium used for fuel cladding will react with water...
Proceedings Papers

Proc. ASME. ICONE29, Volume 11: Mitigation Strategies for Beyond Design Basis Events, V011T11A017, August 8–12, 2022
Publisher: American Society of Mechanical Engineers
Paper No: ICONE29-92717
... Nuclear Power Technology Research Institute, Shenzhen, China ABSTRACT Accurately estimating the moment on which the core melt relocates to the lower head in severe accidents is crucial for evaluating the effectiveness of the In-Vessel Retention (IVR) strategy. However, the collapse and fragmentation...
Proceedings Papers

Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T12A034, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-65785
... magnesia specimens were subjected to XRD and SEM analysis to assess material degradation. The specimens were also tested for change in compressive strength due to high temperature sodium exposure. The experimental results are discussed in the paper. severe accidents sodium cooled fast reactors core...
Proceedings Papers

Proc. ASME. ICONE17, Volume 3: Thermal Hydraulics; Current Advanced Reactors: Plant Design, Construction, Workforce and Public Acceptance, 449-458, July 12–16, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ICONE17-75563
... safety analysis severe accidents accident management measures ASTEC ATHLET ANSYS The studies presented are aiming at a detailed investigation of the behaviour of a VVER-1000/V-320 reactor and the containment structures during a postulated severe accident, including the ways and means...
Proceedings Papers

Proc. ASME. ICONE10, 10th International Conference on Nuclear Engineering, Volume 2, 123-129, April 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: ICONE10-22137
... in comparison with previous tests, it is not yet clear whether this escalation can be attributed to the effect of B 4 C. 05 03 2009 severe accidents quench reflood LWR safety Proceedings of ICONE10 10TH International Conference on Nuclear Engineering n r K smaller in comparison...
Proceedings Papers

Proc. ASME. ICONE10, 10th International Conference on Nuclear Engineering, Volume 2, 131-136, April 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: ICONE10-22195
... The Accident Diagnostic, Analysis and Management (ADAM) computer code has been developed as a tool for on-line applications to accident diagnostics, simulation, management and training. ADAM’s severe accident simulation capabilities incorporate a balance of mechanistic, phenomenologically based...
Proceedings Papers

Proc. ASME. ICONE10, 10th International Conference on Nuclear Engineering, Volume 3, 139-146, April 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: ICONE10-22120
... ablation using iron and alumina melts as a simulant for the corium melt. The results of the KAPOOL tests are analyzed with the HEATING5 code in order to evaluate realistic cases of internally heated corium melts and melt gates with the same theoretical tool. 05 03 2009 severe accidents...
Proceedings Papers

Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 3, 819-828, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49517
... of the solid structures. However, for the deeper understanding of the integral tests, especially of the quench phase, as well as for computational support of the tests and for the validation of severe accident codes, a sufficient knowledge of thermal-hydraulics in the bundle during the quench phase is also...
Proceedings Papers

Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 3, 859-869, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49579
... An enhanced in-vessel core catcher is being designed and evaluated as part of a joint United States (U.S.)–Korean International Nuclear Engineering Research Initiative (INERI) investigating methods to insure In-Vessel Retention (IVR) of core materials that may relocate under severe accident...
Proceedings Papers

Proc. ASME. ICONE14, Volume 3: Structural Integrity; Nuclear Engineering Advances; Next Generation Systems; Near Term Deployment and Promotion of Nuclear Energy, 853-866, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89502
... power as an element of the energy mix. This paper gives an overview of the research activ ities undertaken through EURATOM FP-6 in the area of Reactor Keywords: Reactor Safety, Plant Life Management, Severe Accidents, GIF, Transmutation, Sustainable Nuclea r Fission, Research Infrastructures, Nuclear...