W.J., Choi, Yeping, Xiong and Shenoi, R.A. (2009) Use of magnetorheological elastomeric materials as adaptive vibration absorber for propeller shaft. Smart 09: Smart Materials and Structures, Portugal. 13 - 15 Jul 2009. pp. 1-9 .
Abstract
This paper reports on tests carried out on the effect of Magnetorheological Elastomeric (MRE) material as an adaptive tuned vibration absorber for a propeller shaft. In general, a propeller transmits rotational motion into thrust for propulsion of ship through water. This thrust is generated by an engine generally installed further forward in the vessel. A long propeller shaft links the main engine to the propeller supported by brackets with bearing. As the propeller rotates in a non-uniformly distributed hydraulic wave near the stern of the ship the propeller vibrates causing damage to the stern tube bearings, hull and the shaft itself. The effects of resonance can be amplified by torsional, longitudinal and lateral resonant vibration. These problem results in broken shafts, lost propeller blades or simply become very uncomfortable for the people on board the vessel. MRE consists of micron sized magnetically permeable particles suspended in elastomer. Its properties can be controlled dramatically by application of magnetic field. Since shear properties of MRE changes dominantly in small strain ranges, MRE has the potential to be used in a tunable vibration and shock absorber for engineering applications. The purpose of this paper is to explore the possibility of using MRE as tuned vibration absorber for propeller shaft in order to shift resonant frequency and reduce vibrational amplitude. To this end, the experimental investigation is carried out to illustrate the real time control capabilities of MRE adaptive vibration absorber for a propeller shaft
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- Faculties (pre 2011 reorg) > Faculty of Engineering Science & Maths (pre 2011 reorg) > Engineering Sciences (pre 2011 reorg)
- Faculties (pre 2018 reorg) > Faculty of Engineering and the Environment (pre 2018 reorg) > Southampton Marine & Maritime Institute (pre 2018 reorg)
- Faculties (pre 2018 reorg) > Faculty of Engineering and the Environment (pre 2018 reorg) > Civil Maritime & Env. Eng & Sci Unit (pre 2018 reorg) > Fluid Structure Interactions Group (pre 2018 reorg)
Current Faculties > Faculty of Engineering and Physical Sciences > School of Engineering > Civil, Maritime and Environmental Engineering > Civil Maritime & Env. Eng & Sci Unit (pre 2018 reorg) > Fluid Structure Interactions Group (pre 2018 reorg)
Civil, Maritime and Environmental Engineering > Civil Maritime & Env. Eng & Sci Unit (pre 2018 reorg) > Fluid Structure Interactions Group (pre 2018 reorg)
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