Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis
To explain the sudden jump of pressure as the variation of water depth for a direct-acting relief valve used by torpedo pump as the variation of water depth, a 2-DOF fluid-structure coupling dynamic model is developed. A nonlinear differential pressure model at valve port is applied to model the axi...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2021-01-01
|
| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2021/5581684 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849400139473485824 |
|---|---|
| author | Wen Song Chenshi Yang Xiaoyi Zhang Yongdong Li |
| author_facet | Wen Song Chenshi Yang Xiaoyi Zhang Yongdong Li |
| author_sort | Wen Song |
| collection | DOAJ |
| description | To explain the sudden jump of pressure as the variation of water depth for a direct-acting relief valve used by torpedo pump as the variation of water depth, a 2-DOF fluid-structure coupling dynamic model is developed. A nonlinear differential pressure model at valve port is applied to model the axial vibration of fluid, and a nonlinear wake oscillator model is used to excite the valve element in the vertical direction; meanwhile, the contact nonlinearity between the valve element and valve seat is also taken into consideration. Based on the developed dynamical model, the water depths for the sudden jumps of pressure can be located precisely when compared with the experimental signals, and the corresponding vibration conditions of the valve element in both the axial and vertical directions are explored. Subsequently, in order to eliminate the sudden jumps of pressure, different pump inlet pressure was tested experimentally; when it was decreased to 0.4 MPa, the pressure jumps ever appeared during the dropping and lifting processes were removed, and the numerical simulation based on the developed mathematical model also verified the experimental measurements. |
| format | Article |
| id | doaj-art-9fcdc8c122dd4458b2bb0b1df5ff8c27 |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-9fcdc8c122dd4458b2bb0b1df5ff8c272025-08-20T03:38:09ZengWileyShock and Vibration1070-96221875-92032021-01-01202110.1155/2021/55816845581684Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling AnalysisWen Song0Chenshi Yang1Xiaoyi Zhang2Yongdong Li3The 705th Research Institute of China Shipbuilding Group, Xi’an, ChinaThe 705th Research Institute of China Shipbuilding Group, Xi’an, ChinaThe 705th Research Institute of China Shipbuilding Group, Xi’an, ChinaThe 705th Research Institute of China Shipbuilding Group, Xi’an, ChinaTo explain the sudden jump of pressure as the variation of water depth for a direct-acting relief valve used by torpedo pump as the variation of water depth, a 2-DOF fluid-structure coupling dynamic model is developed. A nonlinear differential pressure model at valve port is applied to model the axial vibration of fluid, and a nonlinear wake oscillator model is used to excite the valve element in the vertical direction; meanwhile, the contact nonlinearity between the valve element and valve seat is also taken into consideration. Based on the developed dynamical model, the water depths for the sudden jumps of pressure can be located precisely when compared with the experimental signals, and the corresponding vibration conditions of the valve element in both the axial and vertical directions are explored. Subsequently, in order to eliminate the sudden jumps of pressure, different pump inlet pressure was tested experimentally; when it was decreased to 0.4 MPa, the pressure jumps ever appeared during the dropping and lifting processes were removed, and the numerical simulation based on the developed mathematical model also verified the experimental measurements.http://dx.doi.org/10.1155/2021/5581684 |
| spellingShingle | Wen Song Chenshi Yang Xiaoyi Zhang Yongdong Li Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis Shock and Vibration |
| title | Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis |
| title_full | Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis |
| title_fullStr | Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis |
| title_full_unstemmed | Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis |
| title_short | Mathematical Modelling and Dynamic Analysis of a Direct-Acting Relief Valve Based on Fluid-Structure Coupling Analysis |
| title_sort | mathematical modelling and dynamic analysis of a direct acting relief valve based on fluid structure coupling analysis |
| url | http://dx.doi.org/10.1155/2021/5581684 |
| work_keys_str_mv | AT wensong mathematicalmodellinganddynamicanalysisofadirectactingreliefvalvebasedonfluidstructurecouplinganalysis AT chenshiyang mathematicalmodellinganddynamicanalysisofadirectactingreliefvalvebasedonfluidstructurecouplinganalysis AT xiaoyizhang mathematicalmodellinganddynamicanalysisofadirectactingreliefvalvebasedonfluidstructurecouplinganalysis AT yongdongli mathematicalmodellinganddynamicanalysisofadirectactingreliefvalvebasedonfluidstructurecouplinganalysis |