基于Fluent的振冲器搅油现象分析及新型结构研究
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The analysis of vibrator oil-stirring phnomenon and study on new structure
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    摘要:

    振冲器是一种重要的地基改良器械,它依靠高速旋转的偏心质量进行工作,但传统的偏心结构会发生搅油现象,造成电机功率的损耗。本文针对这种搅油现象进行了分析,通过fluent软件得出了油液的具体搅动情况和涡流情况,并得到了相关的流体搅动数据。进行原理分析后,文中提出了一种新型的防搅油偏心结构,对比发现这种结构可以有效地避免搅油现象,且不会发生由于涡流而产生的不规则振动,具有较好的工作性能。此外,我们也对改进前后的振冲器结构进行了整体的动态性能分析,证明了新型结构性能的提高。文中的建模数据来源于现实测绘,得到结论也具有一定的指导意义。

    Abstract:

    Deep vibrator is an important equipment of foundation improvement. It works through eccentric masses with high-speed. But the traditional eccentric structure will stir the oil around it, and it will result in the loss of motor power. The paper analyzed the stirring phenomenon, and got the level and specific data of stirring and swirling through fluent software. After principle analysis, a new type of anti-churning eccentric structure was put forward, which can effectively avoid stirring phenomenon. Otherwise the new structure will also not produce irregular vibration because of swirling, then it can works with a better performance. In addition, the contrast of dynamic performance between traditional and new structure was carried out in the paper, it proved that the new structure has a better working performance. Modeling data in the paper is from surveying and mapping, so the conclusion can be taken as guidance for vibrator designing.

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韩兵兵. 基于Fluent的振冲器搅油现象分析及新型结构研究[J]. 科学技术与工程, 2012, 12(29): .
hanbingbing. The analysis of vibrator oil-stirring phnomenon and study on new structure[J]. Science Technology and Engineering,2012,12(29).

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历史
  • 收稿日期:2012-06-17
  • 最后修改日期:2012-06-19
  • 录用日期:2012-07-04
  • 在线发布日期: 2012-09-10
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