Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry
Water jet technology is widely used in various fields, in which the nozzle is an important element to form the jet. To solve the problem of low water jet operation efficiency of square nozzles, the internal flow channel structure of the nozzle of the key jet device is studied. Through the combinatio...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-11-01
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| Series: | Symmetry |
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| Online Access: | https://www.mdpi.com/2073-8994/14/11/2392 |
| _version_ | 1797463888847962112 |
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| author | Zhuo Fu Kun Li Yongjun Pang Liyong Ma Zhanying Wang Bin Jiang |
| author_facet | Zhuo Fu Kun Li Yongjun Pang Liyong Ma Zhanying Wang Bin Jiang |
| author_sort | Zhuo Fu |
| collection | DOAJ |
| description | Water jet technology is widely used in various fields, in which the nozzle is an important element to form the jet. To solve the problem of low water jet operation efficiency of square nozzles, the internal flow channel structure of the nozzle of the key jet device is studied. Through the combination of computational fluid dynamics (CFD) and particle image velocimetry (PIV) experiments, the influence of main structural parameters such as the contraction angle and length-to-diameter ratio of the inner flow channel on the velocity and length of the constant-velocity core region is explored. Since the jet flow structure is a symmetrical structure along the axial direction, the model of the jet flow structure was built half of the model along the axial direction. The results show that a smaller length-to-diameter ratio and a smaller contraction angle of the nozzle result in better jet cohesion and lower dynamic pressure in the constant-velocity core area, which is more suitable for long-distance, low-pressure water jet operations. |
| first_indexed | 2024-03-09T17:57:10Z |
| format | Article |
| id | doaj.art-6be6d106a97148d98c9c9dcbf44d3a3a |
| institution | Directory Open Access Journal |
| issn | 2073-8994 |
| language | English |
| last_indexed | 2024-03-09T17:57:10Z |
| publishDate | 2022-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Symmetry |
| spelling | doaj.art-6be6d106a97148d98c9c9dcbf44d3a3a2023-11-24T10:13:17ZengMDPI AGSymmetry2073-89942022-11-011411239210.3390/sym14112392Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image VelocimetryZhuo Fu0Kun Li1Yongjun Pang2Liyong Ma3Zhanying Wang4Bin Jiang5Department of Mechanical and Electronic Engineering, Changsha University, Changsha 410199, ChinaDepartment of Mechanical and Electronic Engineering, Changsha University, Changsha 410199, ChinaSchool of Mechanical Engineering, Hebei University of Architecture, Zhangjiakou 075051, ChinaSchool of Mechanical Engineering, Hebei University of Architecture, Zhangjiakou 075051, ChinaSchool of Mechanical Engineering, Hebei University of Architecture, Zhangjiakou 075051, ChinaSchool of Mechanical and Electronic Engineering, Central South University, Changsha 410083, ChinaWater jet technology is widely used in various fields, in which the nozzle is an important element to form the jet. To solve the problem of low water jet operation efficiency of square nozzles, the internal flow channel structure of the nozzle of the key jet device is studied. Through the combination of computational fluid dynamics (CFD) and particle image velocimetry (PIV) experiments, the influence of main structural parameters such as the contraction angle and length-to-diameter ratio of the inner flow channel on the velocity and length of the constant-velocity core region is explored. Since the jet flow structure is a symmetrical structure along the axial direction, the model of the jet flow structure was built half of the model along the axial direction. The results show that a smaller length-to-diameter ratio and a smaller contraction angle of the nozzle result in better jet cohesion and lower dynamic pressure in the constant-velocity core area, which is more suitable for long-distance, low-pressure water jet operations.https://www.mdpi.com/2073-8994/14/11/2392water jetsquare nozzlescomputational fluid dynamics (CFD)particle image velocimetry (PIV)constant-velocity core |
| spellingShingle | Zhuo Fu Kun Li Yongjun Pang Liyong Ma Zhanying Wang Bin Jiang Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry Symmetry water jet square nozzles computational fluid dynamics (CFD) particle image velocimetry (PIV) constant-velocity core |
| title | Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry |
| title_full | Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry |
| title_fullStr | Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry |
| title_full_unstemmed | Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry |
| title_short | Study on Water Jet Characteristics of Square Nozzle Based on CFD and Particle Image Velocimetry |
| title_sort | study on water jet characteristics of square nozzle based on cfd and particle image velocimetry |
| topic | water jet square nozzles computational fluid dynamics (CFD) particle image velocimetry (PIV) constant-velocity core |
| url | https://www.mdpi.com/2073-8994/14/11/2392 |
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