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사용 후 핵 연료 운반용기에 적용되는 충격 흡수소재 조사 및 동적거동 특성 연구

Investigation of Shock Absorbing Materials Applied to Spent Nuclear Fuel Transport Cask and Study of Dynamic Behavior Characteristics

Journal of the Korean Society for Precision Engineering 2025;42(4):285-299.
Published online: April 1, 2025

1 삼성중공업 조선해양연구소

2 국립한밭대학교 기계공학과

1 Ship & Offshore Research Institute, Samsung Heavy Industries

2 Department of Mechanical Engineering, Hanbat National University

#E-mail: shin955@hanbat.ac.kr, TEL: +82-42-821-1156
• Received: November 11, 2024   • Revised: February 3, 2025   • Accepted: March 4, 2025

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Finite element analysis of conventional impact absorbing materials and mechanical evaluation of fenosol foam applied to nuclear fuel transport casks
    Chang Ho Kim, Yeong Hwan Jeon, Seung Gu Kang, Jae Moon Im, Kwang Bok Shin
    Journal of Mechanical Science and Technology.2026;[Epub]     CrossRef

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Investigation of Shock Absorbing Materials Applied to Spent Nuclear Fuel Transport Cask and Study of Dynamic Behavior Characteristics
J. Korean Soc. Precis. Eng.. 2025;42(4):285-299.   Published online April 1, 2025
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Investigation of Shock Absorbing Materials Applied to Spent Nuclear Fuel Transport Cask and Study of Dynamic Behavior Characteristics
J. Korean Soc. Precis. Eng.. 2025;42(4):285-299.   Published online April 1, 2025
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Investigation of Shock Absorbing Materials Applied to Spent Nuclear Fuel Transport Cask and Study of Dynamic Behavior Characteristics
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Types of honeycomb materials
Fig. 2 Comparisons of compressive properties of the honeycomb materials
Fig. 3 Comparisons of shock absorption energy of honeycomb materials
Fig. 4 Types of wood material
Fig. 5 Geometry of the korad-21 model [22] (Adapted from Ref. 22 with permission)
Fig. 6 Comparisons of compressive properties of the wood materials
Fig. 7 Comparisons of shock absorption energy of wood materials
Fig. 8 Types of foam
Fig. 9 Fenosol foam used to R-83 cask [29] (Adapted from Ref. 29 with permission)
Fig. 10 Comparisons of compressive properties of the foam materials
Fig. 11 Comparisons of shock absorption energy of foam materials
Fig. 12 Finite element model
Fig. 13 The results of simulation using Mat.57
Fig. 14 The results of simulation using Mat.63
Fig. 15 The results of simulation using Mat.83
Fig. 16 Simulation results of eliminating Mat_add_erosion card
Fig. 17 Force-displacement curves of Mat.57 and Mat.83
Fig. 18 Simulation results of Mat.57 and Mat.83
Fig. 19 Boundary and loading & unloading conditions for unit solid element
Fig. 20 Force-displacement curves of SF sensitivity analysis
Fig. 21 Force-displacement curves of HF sensitivity analysis
Investigation of Shock Absorbing Materials Applied to Spent Nuclear Fuel Transport Cask and Study of Dynamic Behavior Characteristics
No. Cask name Impact limiters
1 Magnatran transport cask Balsa-wood & Red-wood
2 Nuhoms MP197(hb) Balsa-wood & Red-wood
3 NLI 1/2 legal weight truck transport cask Balsa-wood
4 Nli 10/24 rail transport cask Balsa-wood
5 TN-BRP storage and transport cask Balsa-wood & Red-wood
6 TN-8/TN-8l overweight truck transport cask Balsa-wood
7 TN-9 overweight truck transport cask Balsa-wood
8 SNF cask Balsa-wood & Cedar-wood & Oak-wood & Spruce-wood
9 KN-12 Spruce-wood & Beech-wood
No. Cask name Impact limiters
1 125-B TMI-2core and fuel debris rail transport cask Urethane foam
2 Nuhoms MP187 used fuel storage and transport system Polyurethane foam & aluminum honeycomb
3 The Holtec international storage, transport and repoistory Hi-Star 63 Polyurethane foam
4 BRR cask Polyurethane foam
5 T-3 cask Polyurethane foam
6 R79 cask Fenosol foam
7 R83 cask Fenosol foam
Summary Used mat card Ref.
Perform penetration analysis on honeycomb material Mat.126 [37]
Composite aluminum for penetration of panels Perform Numerical analysis Mat.126 [38]
Analysis of impact of collision between trees and aircraft wings Mat.143 [39]
Analysis of destruction characteristics of wood Mat.143 [40]
Assessing energy absorption capacity during car accident time Mat.143 [41]
Dynamic analysis of impact sphere penetration in a sandwich structure with balsa wood core using Mat.143 [42]
Analysis of dynamic behavior between wood joints Mat.143 [43]
Suitability analysis of materials used to improve impact strength due to vehicle side collision Mat57 [44]
Impact characterization analysis of helmet performance Mat.57 [45]
Dynamic response analysis of structural insulated panels following wind-induced debris impact Mat.57 [46]
Perform compression simulations on tubes filled with aluminum foam Mat.63 [47]
Perform and verify impact resistance simulation of hollow buoy composed of EPP foam Mat.83 [48]
Study on performance changes of EPP foam Mat.83 [49]
Name Number of nodes Number of elements
Impactor 57,301 56,000
Foam 164,025 153,600
Plate 6,084 4,332
Table 1 Representative wood materials used to the cask
Table 2 Representative foam applied to the cask
Table 3 Case of impact analysis using ls-dyna

(Adapted from Ref. 37-49 on the basis of OA)

Table 4 Number of nodes and elements in FE model