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Seismic Analysis of the Reflective Metal Insulation for Thermal Shielding of Main Equipments of Nuclear Power Plants
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 Title & Authors
Seismic Analysis of the Reflective Metal Insulation for Thermal Shielding of Main Equipments of Nuclear Power Plants
Kim, Seung-Hyeon; Rhee, Huinam;
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 Abstract
This paper deals with the seismic qualification of the reflective metal insulation for thermal shielding that is installed on the outer surfaces of the main equipment of the primary coolant system of a nuclear power plant. A small-scale model of the reactor pressure vessel, which has equivalent dynamic characteristics, was designed to be tested in domestic seismic testing facilities in the future. In this study, seismic analysis of the small-scale model installed with metal insulation was performed using equivalent static analysis and response spectrum analysis. The required Response Spectrum for main equipment of the primary coolant system of APR-1400 plant were considered to establish the enveloping response spectrum, which was applied to the seismic analysis model. The results from two seismic analysis methods were compared to show the structural adequacy of the metal insulator design against a safe shutdown earthquake. This study will form the basis for the seismic testing to support the seismic qualification of the reflective metal insulator.
 Keywords
Equipments of Nuclear Power Plant;Reflective Metal Insulation;Response Spectrum;Seismic Analysis;Seismic Qualification;
 Language
Korean
 Cited by
 References
1.
U.S. Nuclear Regulatory Commission, GSI-191: Experimental Studies of Loss of Coolant Accident Generated Debris Accumulation and Head Loss with Emphasis on the Effects of Calcium Silicate Insulation, 2005

2.
IEEE Std. 344, Seismic Qualification of Equipment for Nuclear Power Generating Stations, 2013 DOI: http://dx.doi.org/10.1109/IEEESTD.2013.6674964

3.
IEEE Std. 323, Qualifying Class 1E Equipment for Nuclear Power Generating Stations, 2003 DOI: http://dx.doi.org/10.1109/IEEESTD.2004.94415

4.
ASME, ASME Section III Appendix I, 1992