化工学报Issue(9)：3568-3575,8.DOI:10.3969/j.issn.0438-1157.2014.09.035
接触式机械密封端面平均温度耦合计算方法
Average temperature coupling calculation method for end faces of contact mechanical seals
摘要
Abstract
Mutual coupling calculating method of average temperature and friction factor of end face for contact mechanical seal was studied. Simplifying the mechanical seal ring as equal cross-section equivalent cylinder, average temperature calculation equation of end face for contact mechanical seal was derived, and the method of simplifying the mechanical seal ring as equal cross-section equivalent cylinder was given. Friction factor calculation model of end face for mechanical seal was established based on fractal theory. Taking into account the mutual coupling relationship between average temperature and friction factor of end face, the calculation method of average temperature was proposed. Influence factors of average temperature for B104a-70 mechanical seal were analyzed by simulation. Average temperature of end face increased linearly with increasing spring pressure and sealant pressure, and increased approximately linearly with increasing rotating speed, and the smoother the end face, the better the linear relationship and the greater the increase. Average temperature of end face increased nonlinearly with increasing fractal dimension or decreasing characteristic length scale. The change of average temperature was small when end face was coarse. It increased rapidly with increasing fractal dimension or decreasing characteristic length scale when end face was smooth.关键词
机械密封/表面/平均温度/摩擦因数/耦合计算/分形/模拟Key words
mechanical seal/surface/average temperature/friction factor/coupling calculation/fractals/simulation分类
机械制造引用本文复制引用
魏龙,顾伯勤,刘其和,张鹏高,房桂芳..接触式机械密封端面平均温度耦合计算方法[J].化工学报,2014,(9):3568-3575,8.基金项目
江苏省“六大人才高峰”资助项目（2012-JNHB-017）；江苏省高校科研成果产业化推进项目（JHZD2012-14）。@@@@ supported by Jiangsu Planned Projects for Fostering Talents in Six Scientific Fields (2012-JNHB-017) and Col ege Industrialization Project of Jiangsu Province (JHZD2012-14) （2012-JNHB-017）
