Journal of the Earthquake Engineering Society of Korea (한국지진공학회논문집)

Earthquake Engineering Society of Korea (한국지진공학회)
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Performance Evaluation of Small Dampers Using SMG Fluid

SMG 유체를 이용한 소형댐퍼의 성능평가

  • Heo, Gwang Hee (Department of International & Plant Engineering, Konyang Universty) ;
  • Jeon, Seung Gon (Dept. of Civil Engineering and Informatics, Chungnam State University) ;
  • Seo, Sang Gu (Dept. of Civil Engineering and Informatics, Chungnam State University) ;
  • Kim, Dae Hyeok (Department of Disaster Safety & Fire, Konyang University)
  • 허광희 (건양대학교 해외건설플랜트학과) ;
  • 전승곤 (충남도립대학교 건설정보학과) ;
  • 서상구 (충남도립대학교 건설정보학과) ;
  • 김대혁 (건양대학교대학원 재난안전소방학과)
  • Received : 2019.02.22
  • Accepted : 2019.06.12
  • Published : 2019.07.01
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Abstract

In this study, SMG(Smart Material with Grease) was developed, which was improved the precipitation minute particle in grease during long term standstill. Also, small-sized cylinder damper equipped with an electromagnet in a piston was developed for using a performance evaluation of the damper with SMG and the dynamic load test, and damping force using Power model and Bingham model was derived in order to compare to the result of that of the damper. The data obtained from the dynamic load test were analyzed and plotted, and then a dynamic range was calculated to evaluate the usability of the damper with SMG. The performance of the damper with SMG was compared to the damping forse derived from the Power and Bingham model. The result of this evaluation shown that the usability of SMG damper was demonstrated by this test as a semi-active controlling equipment of small-sized damper.

Keywords

References

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