Effective method for identifying dynamic characteristics of APR 1400 nuclear reactor internals in experiment and finite element analysis

Sang Jeong Lee; Jong Beom Park; Youngin Choi; No Cheol Park; Young Pil Park; Jinsung Kim; Woo Jin Roh

Effective method for identifying dynamic characteristics of APR 1400 nuclear reactor internals in experiment and finite element analysis

Sang Jeong Lee, Jong Beom Park, Youngin Choi, No Cheol Park, Young Pil Park, Jinsung Kim, Woo Jin Roh

Department of Mechanical Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

It is impossible that vibration experiments of large space structure as nuclear reactor is conducted for identifying dynamic characteristics. In order to overcome this limitation, in this research, scale-down model of APR1400 nuclear reactor is manufactured and modal experiments were performed. Simultaneously, finite element model has been constructed with using ANSYS for identifying dynamic characteristics. In this study, experimental method as sensor placement and tuning point in finite element model are introduced for extracting accurate dynamic characteristics. With the experiments and the finite element model of scale-down model through the methods, accurate dynamic characteristics of APR 1400 nuclear reactor were identified. All results of this study will be used to predict dynamic characteristics of real reactor with using similarity analysis. Finally, all results about dynamic characteristics of real reactor will be made use of seismic analysis which is conducted later.

Original language	English
Publication status	Published - 2015
Event	44th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2015 - San Francisco, United States Duration: 2015 Aug 9 → 2015 Aug 12

Other

Other	44th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2015
Country	United States
City	San Francisco
Period	15/8/9 → 15/8/12

All Science Journal Classification (ASJC) codes

Acoustics and Ultrasonics

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Lee, Sang Jeong ; Park, Jong Beom ; Choi, Youngin ; Park, No Cheol ; Park, Young Pil ; Kim, Jinsung ; Roh, Woo Jin. / Effective method for identifying dynamic characteristics of APR 1400 nuclear reactor internals in experiment and finite element analysis. Paper presented at 44th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2015, San Francisco, United States.

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title = "Effective method for identifying dynamic characteristics of APR 1400 nuclear reactor internals in experiment and finite element analysis",

abstract = "It is impossible that vibration experiments of large space structure as nuclear reactor is conducted for identifying dynamic characteristics. In order to overcome this limitation, in this research, scale-down model of APR1400 nuclear reactor is manufactured and modal experiments were performed. Simultaneously, finite element model has been constructed with using ANSYS for identifying dynamic characteristics. In this study, experimental method as sensor placement and tuning point in finite element model are introduced for extracting accurate dynamic characteristics. With the experiments and the finite element model of scale-down model through the methods, accurate dynamic characteristics of APR 1400 nuclear reactor were identified. All results of this study will be used to predict dynamic characteristics of real reactor with using similarity analysis. Finally, all results about dynamic characteristics of real reactor will be made use of seismic analysis which is conducted later.",

author = "Lee, {Sang Jeong} and Park, {Jong Beom} and Youngin Choi and Park, {No Cheol} and Park, {Young Pil} and Jinsung Kim and Roh, {Woo Jin}",

note = "Publisher Copyright: {\textcopyright} 2015 by ASME. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.; 44th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2015 ; Conference date: 09-08-2015 Through 12-08-2015",

year = "2015",

language = "English",

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Effective method for identifying dynamic characteristics of APR 1400 nuclear reactor internals in experiment and finite element analysis. / Lee, Sang Jeong; Park, Jong Beom; Choi, Youngin; Park, No Cheol; Park, Young Pil; Kim, Jinsung; Roh, Woo Jin.

2015. Paper presented at 44th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2015, San Francisco, United States.

Research output: Contribution to conference › Paper › peer-review

TY - CONF

T1 - Effective method for identifying dynamic characteristics of APR 1400 nuclear reactor internals in experiment and finite element analysis

AU - Lee, Sang Jeong

AU - Park, Jong Beom

AU - Choi, Youngin

AU - Park, No Cheol

AU - Park, Young Pil

AU - Kim, Jinsung

AU - Roh, Woo Jin

PY - 2015

Y1 - 2015

N2 - It is impossible that vibration experiments of large space structure as nuclear reactor is conducted for identifying dynamic characteristics. In order to overcome this limitation, in this research, scale-down model of APR1400 nuclear reactor is manufactured and modal experiments were performed. Simultaneously, finite element model has been constructed with using ANSYS for identifying dynamic characteristics. In this study, experimental method as sensor placement and tuning point in finite element model are introduced for extracting accurate dynamic characteristics. With the experiments and the finite element model of scale-down model through the methods, accurate dynamic characteristics of APR 1400 nuclear reactor were identified. All results of this study will be used to predict dynamic characteristics of real reactor with using similarity analysis. Finally, all results about dynamic characteristics of real reactor will be made use of seismic analysis which is conducted later.

AB - It is impossible that vibration experiments of large space structure as nuclear reactor is conducted for identifying dynamic characteristics. In order to overcome this limitation, in this research, scale-down model of APR1400 nuclear reactor is manufactured and modal experiments were performed. Simultaneously, finite element model has been constructed with using ANSYS for identifying dynamic characteristics. In this study, experimental method as sensor placement and tuning point in finite element model are introduced for extracting accurate dynamic characteristics. With the experiments and the finite element model of scale-down model through the methods, accurate dynamic characteristics of APR 1400 nuclear reactor were identified. All results of this study will be used to predict dynamic characteristics of real reactor with using similarity analysis. Finally, all results about dynamic characteristics of real reactor will be made use of seismic analysis which is conducted later.

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