점성 유체 감쇠기의 크기 변화에 따른 성능 변화 예측Prediction of the Ability of a Viscous Fluid Damper with Respect to Change of the Size of the Damper
- Authors
- 박화용; 이재응; 윤종민; 유성환; 김창열
- Issue Date
- Jan-2012
- Publisher
- 한국소음진동공학회
- Keywords
- Viscous Fluid Damper; Viscoelastic; Fractional Derivative Maxwell Model; Damping Coefficient at Zero Frequency; Damper Size; Aspect Ratio; Gap; 점성유체 감쇠기; 점탄성; 분수 도함수 맥스웰 모델; 초기 감쇠계수; 감쇠기 크기; 단면비; 간극
- Citation
- 한국소음진동공학회논문집, v.22, no.1, pp 53 - 60
- Pages
- 8
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 22
- Number
- 1
- Start Page
- 53
- End Page
- 60
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/38105
- ISSN
- 1598-2785
2287-5476
- Abstract
- To reduce the vibration in industrial settings, the viscous fluid dampers have been widely used. Since the damper shows a viscoelastic behavior, many methods to predict the behavior have been investigated. But the methods did not consider a change of damper size that is important factor for practical design engineer. In this study, to predict a change of damper ability with respect to a change of damper size, the dynamic experiment were conducted with fixed aspect ratio and gap. The damping coefficient at zero frequency was computed through theoretical and experiment approach in order to fit the experimental results using fractional derivative Maxwell model.
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