Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses
Most of the leakage faults in hydraulic pipeline systems occur in the pipe joint. The research on the high-pressure sealing and reliability of the pipe joint is very important in the application of civil aircraft parts. On the basis of studying the characteristics of pressure pulsating fluid, this p...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2022-10-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/5.0104671 |
| _version_ | 1798023538964168704 |
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| author | Jie Tang Zhenhua Liao Xin Lu Liwen Wang |
| author_facet | Jie Tang Zhenhua Liao Xin Lu Liwen Wang |
| author_sort | Jie Tang |
| collection | DOAJ |
| description | Most of the leakage faults in hydraulic pipeline systems occur in the pipe joint. The research on the high-pressure sealing and reliability of the pipe joint is very important in the application of civil aircraft parts. On the basis of studying the characteristics of pressure pulsating fluid, this paper explores the influence of a high pressure pulsating fluid on the sealing performance of flameless extruded pipe joints and analyzes the influence of the internal fluid pulsating amplitude and fluid under different pressures on the contact stress distribution of the sealing surface of the pipe joint. The results show that with the increase in flow pulsation amplitude from 0.5% to 5%, the amplitude of contact stress on the sealing surface decreases with creep time, which makes the sealing performance better. However, the effective working time of the joint as a whole decreases from 2000 to 194 h. The high-stress area of the contact surface expands as the fluid pressure increases, and the high internal fluid pressure obviously improves the sealing effectiveness and reliability of the pipe joint. In addition, the influence of fluid pulsation amplitude on the leakage rate of the joint is much greater than that of the fluid pressure. |
| first_indexed | 2024-04-11T17:47:58Z |
| format | Article |
| id | doaj.art-b08ce36db6364e1eabb90decfb7e3749 |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-04-11T17:47:58Z |
| publishDate | 2022-10-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-b08ce36db6364e1eabb90decfb7e37492022-12-22T04:11:14ZengAIP Publishing LLCAIP Advances2158-32262022-10-011210105022105022-1010.1063/5.0104671Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analysesJie Tang0Zhenhua Liao1Xin Lu2Liwen Wang3School of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, ChinaSchool of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, ChinaMost of the leakage faults in hydraulic pipeline systems occur in the pipe joint. The research on the high-pressure sealing and reliability of the pipe joint is very important in the application of civil aircraft parts. On the basis of studying the characteristics of pressure pulsating fluid, this paper explores the influence of a high pressure pulsating fluid on the sealing performance of flameless extruded pipe joints and analyzes the influence of the internal fluid pulsating amplitude and fluid under different pressures on the contact stress distribution of the sealing surface of the pipe joint. The results show that with the increase in flow pulsation amplitude from 0.5% to 5%, the amplitude of contact stress on the sealing surface decreases with creep time, which makes the sealing performance better. However, the effective working time of the joint as a whole decreases from 2000 to 194 h. The high-stress area of the contact surface expands as the fluid pressure increases, and the high internal fluid pressure obviously improves the sealing effectiveness and reliability of the pipe joint. In addition, the influence of fluid pulsation amplitude on the leakage rate of the joint is much greater than that of the fluid pressure.http://dx.doi.org/10.1063/5.0104671 |
| spellingShingle | Jie Tang Zhenhua Liao Xin Lu Liwen Wang Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses AIP Advances |
| title | Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses |
| title_full | Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses |
| title_fullStr | Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses |
| title_full_unstemmed | Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses |
| title_short | Influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses |
| title_sort | influence of high pressure pulsating excitation on pipe joint sealing based on multiscale contact analyses |
| url | http://dx.doi.org/10.1063/5.0104671 |
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