| 螺旋槽干气密封润滑气膜阻尼系数的计算及分析 |
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| 引用本文： | 俞树荣,朱丽,丁雪兴,韩明君,张伟政. 螺旋槽干气密封润滑气膜阻尼系数的计算及分析[J]. 兰州理工大学学报, 2011, 37(1): 28-32 |
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| 作者姓名： | 俞树荣 朱丽 丁雪兴 韩明君 张伟政 |
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| 作者单位： | 1. 兰州理工大学石油化工学院,甘肃兰州,730050
2. 兰州理工大学理学院,甘肃兰州,730050 |
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| 基金项目： | 国家自然科学基金(50965010); 高等学校博士学科点专项科研基金(20096201110001) |
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| 摘 要： | 螺旋槽干气密封操作的稳定性和可靠性与其槽型参数息息相关,为优化槽型参数建立气膜轴向和角向阻尼系数的计算模型,利用Maple程序求解阻尼系数的近似表达武,通过动态稳定性分析,获得不同介质压力和转速下的槽型参数.分析结果表明:随着介质压力和转速的增大,气膜阻尼系数增大,得到稳定性最佳的螺旋角数值,且与实验数据基本一致,说明...
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| 关 键 词： | 螺旋槽 干气密封 阻尼系数 Maple程序 |
Calculation and analysis of damping coefficient of lubricating gaseous film in spiral grooved dry-gas seals |
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| YU Shu-rong,ZHU Li,DING Xue-xing,HAN Ming-jun,ZHANG Wei-zheng. Calculation and analysis of damping coefficient of lubricating gaseous film in spiral grooved dry-gas seals[J]. Journal of Lanzhou University of Technology, 2011, 37(1): 28-32 |
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| Authors: | YU Shu-rong ZHU Li DING Xue-xing HAN Ming-jun ZHANG Wei-zheng |
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| Affiliation: | YU Shu-rong1,ZHU Li1,DING Xue-xing1,HAN Ming-jun2,ZHANG Wei-zheng1(1.College of Petrochemical Technology,Lanzhou Univ.of Tech.,Lanzhou 730050,China,2.School of Science,China) |
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| Abstract: | Operational stability and reliability of spiral grooved dry-gas seal is closely related to its groove parameters.A calculation model for axial and circumferential damping coefficients was developed for optimization of the groove parameters.The approximate expressions of damping coefficients were derived by using the Maple programme.By using dynamic stability analysis,the groove parameters were obtained for the case of different environment pressure and rotation speed.The analysis result showed that with the... |
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| Keywords: | spiral groove dry-gas seals damping coefficient Maple program |
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