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題 名 | Steady and Dynamic Characteristics of Wide Slider Bearings: Optimal-Load Consideration=寬滑塊軸承軸承之定常態與動態性能:最佳負荷能力考慮 |
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作 者 | 林昭仁; 何明雄; 張志毅; 洪啟仁; | 書刊名 | 南亞學報 |
卷 期 | 26 民95.12 |
頁 次 | 頁1-12 |
分類號 | 446.875 |
關鍵詞 | 最佳負荷設計; 變分學; 動態特性; 滑塊軸承; 步階軸承; Optimal-load designing; Calculus of variation; Dynamic characteristics; Slider bearing; Stepped bearing; |
語 文 | 英文(English) |
中文摘要 | 找出最佳負荷能力與了解相對應之動態特性,於滑塊推力軸承設計與節省能源要求上扮演很重要之地位。在考慮油膜間隙隨滑動方向變化之情況下,本文主要探討寬滑塊軸承之最佳負荷能力設計並且分析相對應之動態性能。藉由變分學原理之技巧,可分析得到最佳化條件發生在步階軸承之某個肩部高度與步階位置處。若與傾斜平面軸承、拋物線軸承及複合軸承等三種型態做比較,步階軸承在最佳化肩高參數與步階參數之設計下可以得到最佳之負荷能力與最低摩擦參數,同時亦可提高動相對應之動態剛度性能。整體而言,本文分析所得最佳化條件之參數對於工程師在軸承組件選擇與節省動力能源之考慮上,提供了一個非常有用之參考依據。 |
英文摘要 | Finding the optimal load-carrying capacity and understanding the resulting dynamic behavior play important roles in slider-bearing designing. Considering the film-gap height varying slowly with the sliding direction, the optimal-load designing together with the corresponding dynamic characteristics of wide slider bearings is theoretically analyzed in the present study. By applying the technique of calculus of variation, the optimization is performed over a class of steped bearings with certain shoulder height parameter and riser location parameter. Comparing with the three cases of the plane bearing, the parabolic bearing and the composite bearing, the stepped-profile bearing designed at the optimal shoulder height parameter and riser location parameter provides and enhancement in the load-carrying capacity, a reduction in the friction parameter as well as an improvement in the stiffness characteristics. This optimal-load condition and the corresponding dynamics provide useful information for engineers in bearing selection and reducing power loss. |
本系統中英文摘要資訊取自各篇刊載內容。