China Mechanical Engineering ›› 2025, Vol. 36 ›› Issue (11): 2544-2553.DOI: 10.3969/j.issn.1004-132X.2025.11.009
Liyun HAN1(
), Xueping LI1, Xiangkai MENG1(
), Yangyang LIANG1, Lihao ZHANG2, Xudong PENG1
Received:2024-09-25
Online:2025-11-25
Published:2025-12-09
Contact:
Xiangkai MENG
韩丽云1(
), 李学萍1, 孟祥铠1(
), 梁杨杨1, 张力豪2, 彭旭东1
通讯作者:
孟祥铠
作者简介:韩丽云,女,1998 年生,硕士研究生。研究方向为流体密封技术。E-mail:1353954026@qq.com基金资助:CLC Number:
Liyun HAN, Xueping LI, Xiangkai MENG, Yangyang LIANG, Lihao ZHANG, Xudong PENG. Study on Dynamics Characteristics of Porous Matrix Hydrodynamic and Hydrostatic Mechanical Seals[J]. China Mechanical Engineering, 2025, 36(11): 2544-2553.
韩丽云, 李学萍, 孟祥铠, 梁杨杨, 张力豪, 彭旭东. 多孔介质动静压机械密封动力学特性研究[J]. 中国机械工程, 2025, 36(11): 2544-2553.
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URL: https://www.cmemo.org.cn/EN/10.3969/j.issn.1004-132X.2025.11.009
| 密封面内半径ri/mm | 34 |
|---|---|
| 密封面外半径ro/mm | 46 |
| L形槽槽根内半径rn/mm | 39 |
| 槽数Nb | 12 |
| 多孔质基体内半径rn/mm | 39 |
| L形槽槽根外半径rh/mm | 41 |
| 动力黏度μ/(Pa·s) | 2.62×10-3 |
| 外侧密封压力 ps/MPa | 1.2 |
| 槽深hg/μm | 8 |
| 转速n/(r·min-1) | 10 000 |
| 内压pi/MPa | 0.1 |
| 多孔介质材料厚度H/mm | 5 |
Tab.1 Geometrical and operating parameters
| 密封面内半径ri/mm | 34 |
|---|---|
| 密封面外半径ro/mm | 46 |
| L形槽槽根内半径rn/mm | 39 |
| 槽数Nb | 12 |
| 多孔质基体内半径rn/mm | 39 |
| L形槽槽根外半径rh/mm | 41 |
| 动力黏度μ/(Pa·s) | 2.62×10-3 |
| 外侧密封压力 ps/MPa | 1.2 |
| 槽深hg/μm | 8 |
| 转速n/(r·min-1) | 10 000 |
| 内压pi/MPa | 0.1 |
| 多孔介质材料厚度H/mm | 5 |
| 静动态特性系数 | 多孔质机械密封(PF) | 部分多孔质机械密封(PPF) | 多孔质动静压机械密封(PLF) |
|---|---|---|---|
| 开启力F0/N | 2.779×103 | 2.406×103 | 2.924×103 |
| 泄漏率qV /(mL·h-1) | 3.047×102 | 2.223×102 | 7.608×102 |
| Kzz /(N·m-1) | 1.186×108 | 8.767×107 | 1.037×109 |
| Kαα /(N·m·rad-1) | 7.640×104 | 3.554×104 | 7.962×105 |
| Kββ /(N·m·rad-1) | 7.631×104 | 3.504×104 | 7.925×105 |
| Kαβ /(N·m·rad-1) | -1.978×106 | -5.084×106 | -3.476×106 |
| Kβα /(N·m·rad-1) | 1.978×106 | 5.084×106 | 3.474×106 |
| dzz /(N·s·m-1) | 4.933×106 | 1.222×107 | 8.281×106 |
| dαα /(N·m·s·rad-1) | 3.777×103 | 9.710×103 | 6.544×103 |
| dββ /(N·m·s·rad-1) | 3.777×103 | 9.710×103 | 6.544×103 |
Tab.2 Sealing performance and dynamic coefficients of different face seals
| 静动态特性系数 | 多孔质机械密封(PF) | 部分多孔质机械密封(PPF) | 多孔质动静压机械密封(PLF) |
|---|---|---|---|
| 开启力F0/N | 2.779×103 | 2.406×103 | 2.924×103 |
| 泄漏率qV /(mL·h-1) | 3.047×102 | 2.223×102 | 7.608×102 |
| Kzz /(N·m-1) | 1.186×108 | 8.767×107 | 1.037×109 |
| Kαα /(N·m·rad-1) | 7.640×104 | 3.554×104 | 7.962×105 |
| Kββ /(N·m·rad-1) | 7.631×104 | 3.504×104 | 7.925×105 |
| Kαβ /(N·m·rad-1) | -1.978×106 | -5.084×106 | -3.476×106 |
| Kβα /(N·m·rad-1) | 1.978×106 | 5.084×106 | 3.474×106 |
| dzz /(N·s·m-1) | 4.933×106 | 1.222×107 | 8.281×106 |
| dαα /(N·m·s·rad-1) | 3.777×103 | 9.710×103 | 6.544×103 |
| dββ /(N·m·s·rad-1) | 3.777×103 | 9.710×103 | 6.544×103 |
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