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Cited by 38Vibration Control and Rheological FluidsSeismic Performance and AnalysisVibration and Dynamic Analysis

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Mitigation of seismic responses of actual nuclear piping by a newly developed tuned mass damper device

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Kwag, Shinyoung, Eem, Seunghyun, Kwak, Jinsung, Lee, Hwanho, Oh, Jinho, Koo, Gyeong-Hoi·2021·Nuclear Engineering and Technology
DOI 10.1016/j.net.2021.02.009
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Abstract

The purpose of this study is to reduce seismic responses of an actual nuclear piping system using a tuned mass damper (TMD) device. A numerical piping model was developed and validated based on shaking table test results with actual nuclear piping. A TMD for nuclear piping was newly devised in this work. A TMD shape design suitable for nuclear piping systems was conducted, and its operating performance was verified after manufacturing. The response reduction performance of the developed TMD under earthquake loading on actual piping was investigated. Results confirmed that, on average, seismic response reduction rates of 34% in the maximum acceleration response, 41% in the root mean square acceleration response, and 57% in the spectral acceleration response were shown through the TMD application. This developed TMD operated successfully within the seismic response reduction rate of existing TMD optimum design values. Therefore, the developed TMD and dynamic interpretation help improve the nuclear piping's seismic performance.

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Research works printed but not linked: 32

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Metadata

Authors
Kwag, S., Eem, S., Kwak, J., Lee, H., Oh, J., & Koo, G.-H.
Affiliations
  • Hanbat National University (KR)
  • Kyungpook National University (KR)
  • Korea Atomic Energy Research Institute (KR)
Corresponding author
Eem, Seunghyun
ORCID
Venue
Nuclear Engineering and Technology
Publisher
Elsevier BV
Published
2021-08
Volume
53
Issue
8
Pages
2728-2745
ISSN
1738-5733 (ISSN-L)
DOI
10.1016/j.net.2021.02.009
OpenAlex
W3131733840
Cited by
38
References
1
Citations by year
2026: 9 · 2025: 9 · 2024: 8 · 2023: 5 · 2022: 5 · 2021: 2
FWCI
2.59
Type
journal article
Language
en
Open access
Licence
Locations
  • Nuclear Engineering and Technology (publishedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Korea Institute of Energy Technology Evaluation and Planning (20181510102380)
  • Ministry of Trade, Industry and Energy
  • Ministry of Science, ICT and Future Planning (2020R1G1A1005510)
  • National Research Foundation of Korea
Topics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Vibration Control and Rheological Fluids
  • Physical Sciences › Engineering › Civil and Structural Engineering › Seismic Performance and Analysis
  • Physical Sciences › Engineering › Mechanical Engineering › Vibration and Dynamic Analysis
Keywords
tuned mass damper, nuclear power plant piping, seismic response mitigation, shaking table test, seismic response reduction

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CoChat. (2026). Citation check: Mitigation of seismic responses of actual nuclear piping by a newly developed tuned mass damper device. https://app.cochat.ai/papers/10.1016/j.net.2021.02.009
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Kwag, S., Eem, S., Kwak, J., Lee, H., Oh, J., & Koo, G.-H. (2021). Mitigation of seismic responses of actual nuclear piping by a newly developed tuned mass damper device. Nuclear Engineering and Technology. https://doi.org/10.1016/j.net.2021.02.009