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Resonance phenomena occurs at large vertical pump which is operating to cool down the hot steam using sea water in the power plant. To avoid the resonance, the natural frequency needs to be isolated about 20% from motor operating speed. Yet, excessive vibration occurs especially at low tide. At first, natural frequency of the whole pump system and each part is calculated using ANSYS. As it is revealed in the previous journal papers that only circular pipe part is related to resonance, the FSI technique is applied for free vibration analysis. The natural frequency is reduced to 60% (compared to that) of the frequency measured in air as it is similar to other published results. And the frequency obtained by finite element analysis is almost same to that obtained from modal test. Based on the accurate finite element model and analysis, design change is tried to avoid the resonance by changing the thickness of pipe and base supporting plate. In stead of doing optimization process, design sensitivity is computed and used to find such designs to avoid resonance.

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기사명 저자명 페이지 원문 목차
Mindlin 판 이론을 적용한 단순지지 단면 접수평판의 음향방사효율 수치해석 = A Numerical Analysis on Acoustic Radiation Efficiency of One Side-Wetted Rectangular Mindlin Plate with Simply Supported Boundaries 이종호, 조대승 p.281-288

두꺼운 해빙에 대한 충격쇄빙 시 빙하중 신호 분석 = An Analysis on Ice Load Signals Measured from Repetitive Ramming in Heavy Ice Condition 안세진, 이탁기, 최경식 p.306-312

대형 컨테이너 선박의 구조 응답에 미치는 휘핑 영향도 분석 = A Study on the Whipping Phenomena Effect on the Structural Response of Large Container Ships 김범일, 김민수, 서순기, 박재홍 p.341-349

선박 검사 교육훈련을 위한 VR 선박 환경 구축 = Development of VR Ship Environment for The Educational Training of Ship Survey 길우성, 손명조, 이정렬 p.361-369

경험식을 이용한 유빙 얼음에서의 도달 속도 추정 = An Estimation of Attainable Speed in Brash Ice using Empirical Formula 김현수, 한동화, 이재빈, 정성엽 p.313-320

블록의 탑재 안전성을 위한 초기 평형 자세 탐색 방법 연구 = A Study on the Methods for Finding Initial Equilibrium Position of a Lifting Block for the Safe Erection 전도현, 노명일, 함승호, 이혜원 p.297-305

선박 초기설계단계에서 CFD를 이용한 천수 중 조종성능 추정에 관한 연구 = A Study on Estimation of Manoeuvring Performance in Shallow Water using CFD in Initial Ship Design Phase 김인태, 김상현, 김현준, 김동영, 양정규 p.350-360

신조된 고속 캐비테이션 터널에서 환기 초공동 실험 수행을 위한 기초 연구 = Fundamental Studies for Ventilated Supercavitation Experiments in New High-speed Cavitation Tunnel 백부근, 김민재, 정영래, 이승재, 김경열, 안종우, 설한신, 김기섭 p.330-340

심해저 파이프라인과 굽힘 제한 장치의 다중물체 접촉 해석을 통한 구조 최적설계 = Multi-Body Contact Analysis and Structural Design Optimization of Bend Restrictors for Subsea Pipelines 노정민, 하윤도 p.289-296

원통형 수직 펌프의 공진회피를 위한 접수진동해석 = Fluid-Structure Interaction (FSI) Modal Analysis to Avoid Resonance of Cylinder Type Vertical Pump at Power Plant 이재환, 왕즈텅, 아코마링 p.321-329

참고문헌 (31건) : 자료제공( 네이버학술정보 )

참고문헌 목록에 대한 테이블로 번호, 참고문헌, 국회도서관 소장유무로 구성되어 있습니다.
번호 참고문헌 국회도서관 소장유무
1 Amabili, M., 1995. Free vibration of a fluid-filled circular cylindrical shell with lumped masses attached, using the receptance method. Shock and Vibration, 3(3), pp.159-167. 미소장
2 API, 2000. Standard 610, centrifugal pumps for petrochemical and natural gas industries. American Petroleum Institute. 미소장
3 Bae, C.H., Cho, C.W., Kim, S.H. & Park, Y.P., 2001. Modal analysis in the dynamic behavior identification of the fluid-structure coupled vertical pump. The 2001 Fall Conference of The Korean Society for Noise and Vibration Engineering, PyeongChang, Republic of Korea, 14-16 November 2011. 미소장
4 Bae, C.H., Cho, C.W., Kim, Y.W. & Yang, K.H., 2006. Vibration characteristics of the vertical pump in a nuclear power plant. The 2006 Fall Conference of The Korean Society for Noise and Vibration Engineering, Hwasun, Republic of Korea, 16-17 November 2006. 미소장
5 Free vibration analysis of a hanged clamped-free cylindrical shell partially submerged in fluid: The effect of external wall, internal shaft, and flat bottom 네이버 미소장
6 A Study on Vibration Characteristics in Water Tank Structure 소장
7 Choi, B.K., Lee, J.H. & Kim, Y.J., 2013, Topology, shape, and sizing optimization of the jig supporting high voltage pothead, Journal of the Computational Structural Eng. Institute of Korea, 26(5), pp.351-357. 미소장
8 Goncalves, P.B.G., Silva, F.M.A. & Prado, Z.J.G., 2006. transient stability of empty and fluid-filled cylindrical shells. Journal of the Brazilian Society of Mechanical Science & Engineering, 18(3), pp.331-338. 미소장
9 Shape Design Optimization of Fluid-Structure Interaction Problems 소장
10 A simple and accurate added mass model for hydrodynamic fluid—Structure interaction analysis 네이버 미소장
11 Jang, Y., Kim, K., Kim, D., Bae, C., Yang, K. & An N., Y., 2013. Study on Cause for vibration of large vertical pump in power plan. The 2013 Spring Conference of The Korean Society for Noise and Vibration Engineering, pp.674-675. 미소장
12 Jeong, K.H. & Kim, J.W., 2008. Hydroelastic vibration analysis of two flexible rectangular plates partially coupled with a liquid. Nuclear Engineering and Technology, 141(3). pp.335-346. 미소장
13 Jeong, K.H. & Kim, J.W., 2015. Hydroelastic vibration of a rectangular tank partially surrounding with a liquid. Trans. Korean Society for Noise and Vibration Eng., 25(3), pp.207-215. 미소장
14 The Vibration of an Elastic Rectangular Plate in a Fluid 소장
15 Kim, K.C., Kim, J.S. & Lee, H.Y., 1979. An experimental study on the elastic vibration of plates in contact with water. Journal of the Society of Naval Architects of Korea, 16(2). pp. 1-7. 미소장
16 FLUID-STRUCTURE INTERACTION ANALYSIS FOR VORTEX-INDUCED VIBRATION OF CIRCULAR CYLINDER 소장
17 Kim, W., Song, W. & Chagn Y., 2011. A Study on the vibration improvement of plant pump, The 2011 Fall Conference of The Korean Society for Noise and Vibration Engineering, Hwasun, Republic of Korea, pp.697-698. 미소장
18 Global Ship Vibration Analysis by Using Distributed Fluid Added Mass at Grid Points 소장
19 Kwon, W., Hwang, T.G. & Kim, J.H., 2014. Study of vibration characteristics in operation of vertical pump at power plant. The 2014 Winter Conference of Korean Society For Fluid Machinery, November 2014. pp.26-28. 미소장
20 Evaluation of sloshing resistance performance for LNG carrier insulation system based on fluid-structure interaction analysis 소장
21 Optimal Design of the Deep-sea Unmanned Vehicle Frame Design Sensitivity 소장
22 Oh, J.H., Choi, J.B. & Ryu, J.S. 2013. Dynamic characteristic of a structure affected of fluid-structure interaction. The 2013 Fall Conference of The Korean Society for Noise and Vibration Engineering, pp.289-290. 미소장
23 Eigenproblems from finite element analysis of fluid-structure interactions 네이버 미소장
24 Evaluation of added mass and damping coefficient of an oscillating circular cylinder 네이버 미소장
25 Seo, M.K., Seok, H.I. & Lee, C.W., 2013. Study on vibration characteristics of fluid tank structure for ship. Special Issue of the Society of Naval Architects of Korea, pp.85-89. 미소장
26 Dynamic analysis of a nuclear reactor with fluid–structure interaction: Part II: Shock loading, influence of fluid compressibility 네이버 미소장
27 Sigrist, J.F. & Broc, D., 2008. Homogenisation method for the dynamic analysis of a complete nuclear steam generator with fluid-structure interaction. Journal of Elsevier, Nuclear Engineering and Design, 238, pp. 2261-2271. 미소장
28 A Study on the Vibration Characteristics of 3-Dimension Submerged Vehicle in Consideration of Fluid-Structure Interaction 소장
29 Dynamic stiffness method for free vibrations analysis of partial fluid-filled orthotropic circular cylindrical shells 네이버 미소장
30 Yoo, M.S., Oh, S.T., Ji, Y.H., Lee, J.W., Roh, C.W. & Park, G.H., 2014. Experimental modal analysis of submerged vertical pump. 2017 Joint Conference by KSNVE, ASK and KSME(DC), Gwangju, Republic of Korea, 26-28 April 2017. 미소장
31 Zienkiewicz, O.C. & Taylor, R.L., 2014. Finite element method, basic formulation and linear problems. 7th ed. Elsevier. 미소장

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