CIESC Journal ›› 2025, Vol. 76 ›› Issue (1): 296-310.DOI: 10.11949/0438-1157.20240657
• Surface and interface engineering • Previous Articles Next Articles
Junjie ZHANG1(), Yuan CHEN1(
), Yuntang LI1, Xiaolu LI1, Bingqing WANG1, Xudong PENG2
Received:
2024-06-14
Revised:
2024-07-21
Online:
2025-02-08
Published:
2025-01-25
Contact:
Yuan CHEN
张俊杰1(), 陈源1(
), 李运堂1, 李孝禄1, 王冰清1, 彭旭东2
通讯作者:
陈源
作者简介:
张俊杰(1998—),男,硕士研究生,327405215@qq.com
基金资助:
CLC Number:
Junjie ZHANG, Yuan CHEN, Yuntang LI, Xiaolu LI, Bingqing WANG, Xudong PENG. Analysis and optimization of dynamic performance of super-elliptical hole floating seal dam compliant foil face gas seal[J]. CIESC Journal, 2025, 76(1): 296-310.
张俊杰, 陈源, 李运堂, 李孝禄, 王冰清, 彭旭东. 超椭圆织构浮动坝箔片端面气膜密封动态性能分析与优化[J]. 化工学报, 2025, 76(1): 296-310.
参数 | 数值 |
---|---|
密封端面内径ri/mm | 58.42 |
密封坝外径侧半径rg/mm | 64.87 |
密封端面外径ro/mm | 77.78 |
初始气膜厚度hb/μm | 3 |
楔形高度δh/μm | 15 |
周期数Nc | 8 |
节距比c | 0.4 |
箔坝比ξ | 2 |
箔片区柔度系数α1 | 0.01 |
浮动坝区柔度系数α2 | 1×10-4 |
箔片区超椭圆系数n1 | 4 |
浮动坝区超椭圆系数n2 | 1 |
箔片区超椭圆横半轴a1/mm | 2.5 |
箔片区超椭圆纵半轴b1/mm | 4 |
浮动坝区超椭圆横半轴a2/mm | 1.75 |
浮动坝区超椭圆纵半轴b2/mm | 0.7 |
箔片区织构深度Td1/μm | 5 |
浮动坝区织构深度Td2/μm | 5 |
内、外侧倾角ϕ1、ϕ2 | 40° |
时间步长Δt/s | 1×10-6 |
静环质量ms/kg | 0.5 |
密封坝质量md/kg | 0.2 |
弹簧刚度ks/(N·m-1) | 1×107 |
静环辅助密封圈阻尼cz/(N·s·m-1) | 2×103 |
外径大气压po/MPa | 0.3 |
内径大气压pi/MPa | 0.1 |
转速ω/(r·min-1) | 1.4×104 |
Table 1 Initial parameter
参数 | 数值 |
---|---|
密封端面内径ri/mm | 58.42 |
密封坝外径侧半径rg/mm | 64.87 |
密封端面外径ro/mm | 77.78 |
初始气膜厚度hb/μm | 3 |
楔形高度δh/μm | 15 |
周期数Nc | 8 |
节距比c | 0.4 |
箔坝比ξ | 2 |
箔片区柔度系数α1 | 0.01 |
浮动坝区柔度系数α2 | 1×10-4 |
箔片区超椭圆系数n1 | 4 |
浮动坝区超椭圆系数n2 | 1 |
箔片区超椭圆横半轴a1/mm | 2.5 |
箔片区超椭圆纵半轴b1/mm | 4 |
浮动坝区超椭圆横半轴a2/mm | 1.75 |
浮动坝区超椭圆纵半轴b2/mm | 0.7 |
箔片区织构深度Td1/μm | 5 |
浮动坝区织构深度Td2/μm | 5 |
内、外侧倾角ϕ1、ϕ2 | 40° |
时间步长Δt/s | 1×10-6 |
静环质量ms/kg | 0.5 |
密封坝质量md/kg | 0.2 |
弹簧刚度ks/(N·m-1) | 1×107 |
静环辅助密封圈阻尼cz/(N·s·m-1) | 2×103 |
外径大气压po/MPa | 0.3 |
内径大气压pi/MPa | 0.1 |
转速ω/(r·min-1) | 1.4×104 |
Fig.11 Variation of dynamic performance parameters of SHFSD-CFFGS under different super-elliptical coefficients n2 and and inclination angles ϕ1 and ϕ2
Fig.17 Variation of dynamic performance parameters of SHFSD-CFFGS with auxiliary sealing ring damping cz under different super-elliptical coefficients n2
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