CIESC Journal ›› 2021, Vol. 72 ›› Issue (4): 2190-2202.DOI: 10.11949/0438-1157.20201040
• Surface and interface engineering • Previous Articles Next Articles
JIANG Jinbo(),TENG Liming,MENG Xiangkai,LI Jiyun,PENG Xudong()
Received:
2020-07-28
Revised:
2020-08-27
Online:
2021-04-05
Published:
2021-04-05
Contact:
PENG Xudong
通讯作者:
彭旭东
作者简介:
江锦波(1989—),男,博士,讲师,基金资助:
CLC Number:
JIANG Jinbo, TENG Liming, MENG Xiangkai, LI Jiyun, PENG Xudong. Dynamic characteristics of supercritical CO2 dry gas seal based on multi variables perturbation[J]. CIESC Journal, 2021, 72(4): 2190-2202.
江锦波, 滕黎明, 孟祥铠, 李纪云, 彭旭东. 基于多变量摄动的超临界CO2干气密封动态特性[J]. 化工学报, 2021, 72(4): 2190-2202.
参数 | 数值 | 参数 | 数值 |
---|---|---|---|
密封端面内径ri/mm | 58.42 | 非开槽区气膜厚度hb/μm | 8 |
密封端面外径ro/mm | 77.78 | 高压腔介质压力po/MPa | 8 |
槽根半径rg/mm | 68.10 | 低压腔介质压力pi/MPa | 0.1 |
螺旋角β/(°) | 15 | 介质温度T0/K | 310 |
螺旋槽深度hg/μm | 5 | 密封端面平均线速度v/(m·s-1) | 100 |
螺旋槽数Ng | 12 | 频率比Γ | 1.0 |
周向槽宽堰宽比δ | 1 |
Table 1 Initial parameters adopted in the calculation of dynamic characteristics of dry gas seal
参数 | 数值 | 参数 | 数值 |
---|---|---|---|
密封端面内径ri/mm | 58.42 | 非开槽区气膜厚度hb/μm | 8 |
密封端面外径ro/mm | 77.78 | 高压腔介质压力po/MPa | 8 |
槽根半径rg/mm | 68.10 | 低压腔介质压力pi/MPa | 0.1 |
螺旋角β/(°) | 15 | 介质温度T0/K | 310 |
螺旋槽深度hg/μm | 5 | 密封端面平均线速度v/(m·s-1) | 100 |
螺旋槽数Ng | 12 | 频率比Γ | 1.0 |
周向槽宽堰宽比δ | 1 |
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