船尾管シール装置の研究 : (第1報シールリングの静的変形挙動の解析)
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概要
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The deformation behavior in static condition of sealing rings in Stern Tube Sealing that has an important effect on the sealing performance such as their durability and oil leakage was studied. Keeping an eye on the lip of sealing rings, its deformation, width of contact at the lip and its displacement were measured, and also they were theoretically analyzed by the finite element method.<BR>As a result, the deformation behavior of sealing rings was made considerably clear under several conditions and it was confirmed to be possible to predict that with the theoretical calculation by the finite element method. Moreover it was also found that the sectional shape of the present sealing rings was very desirable.<BR>Furthermore, an experiment for the evaluation on the shape of support rings that was designed to make the durability of sealing rings longer was carried out. And it was found that the support rings should be ready for the Stern Tube Sealing and“back-up type support rings”was the most effective in shape for all type of them.
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