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自冷却摩擦式缓降器能量耗散研究
引用本文:武淑琴,索双富,刘向峰,王玉明.自冷却摩擦式缓降器能量耗散研究[J].北京印刷学院学报,2012(2):44-47.
作者姓名:武淑琴  索双富  刘向峰  王玉明
作者单位:北京印刷学院信息与机电工程学院;清华大学精密仪器与机械学系
摘    要:根据自冷却摩擦式缓降器的工作原理及结构特点,分析了运动传递过程中的能量耗散途径。应用工程力学的方法,分别推导出缓降器运动传递过程中各阶段的能量耗散计算公式。通过实例及实验验证,得到计算公式中相关参数的确定方法。研究表明,自冷却摩擦式缓降器能够通过运动传递线路的能量耗散平衡重力势能所做的功,实现整体的温升在有关标准的允许范围内。相关研究方法可以应用在类似的能量耗散系统的分析计算之中,为进一步研究缓降器的性能提供了理论支持。

关 键 词:缓降器  弯曲  摩擦  扰流  机械效率  能量耗散

Research on the Dissipation of Energy about the Self-cooled Frictional Descent Control Device
WU Shu-qin,SUO Shuang-fu,LIU Xiang-feng,WANG Yu-ming.Research on the Dissipation of Energy about the Self-cooled Frictional Descent Control Device[J].Journal of Beijing Institute of Graphic Communication,2012(2):44-47.
Authors:WU Shu-qin  SUO Shuang-fu  LIU Xiang-feng  WANG Yu-ming
Affiliation:1.School of Information and Mechatronic Engineering,Beijing Institute of Graphic Communication,Beijing 102600,China; 2.Department of Precision Instrument and Mechanics,Tsinghua University,Beijing 100084,China)
Abstract:Based on the working principle and structure characteristics of the self-cooled frictional descent control device,the energy dissipation during the process of motion transmission is analyzed.The energy dissipation formula is derived respectively with the method of the engineering mechanics analysis method in each stage of the descending motion transmission process.The method for determination of the correlation coefficient in the calculation formula is obtained through examples and experimental verification.The research shows that the self-cooled frictional descent control device can keep the work down balance by the gravitational potential energy through the energy dissipation on the lines of motion transmission,the overall temperature rise accords with the standard of allowable range.The correlative research methods can be used in similar energy dissipation system analysis and calculation.A theoretical support is provided for the further study on the performance of the descent control device.
Keywords:descent control device  bend  friction  turbulent flow  mechanical efficiency  dissipation of energy
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