Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles
Windage power loss (WPL) is significant and cannot be neglected in a study on transmission efficiency and reducing the energy consumption of high-speed gear. The influence mechanism of the baffle on the reduction of WPL needs to be further studied. Based on computational fluid dynamics (CFD) technol...
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| Format: | Article |
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MDPI AG
2022-05-01
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| Series: | Machines |
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| Online Access: | https://www.mdpi.com/2075-1702/10/6/416 |
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| author | Yuzhe Zhang Xiangying Hou Hong Zhang Jiang Zhao |
| author_facet | Yuzhe Zhang Xiangying Hou Hong Zhang Jiang Zhao |
| author_sort | Yuzhe Zhang |
| collection | DOAJ |
| description | Windage power loss (WPL) is significant and cannot be neglected in a study on transmission efficiency and reducing the energy consumption of high-speed gear. The influence mechanism of the baffle on the reduction of WPL needs to be further studied. Based on computational fluid dynamics (CFD) technology, this paper puts stress on analyzing the influence of axial and radial baffles on viscous and pressure effects in WPL and the influence of baffles with groove structures on reducing WPL. The numerical calculation model of windage torque considering the baffle’s regulation is established, and the calculation results of WPL with different baffle configurations are obtained. The results indicate that the radial baffle mainly reduces pressure loss, while power loss caused by the viscous effect is mainly affected by the axial baffle. The baffle with the smallest clearance achieves the most significant suppression effect on windage. On this basis, adding groove structures to a smooth baffle can have a positive or negative impact on reducing WPL, and the baffles with circular grooves can further promote the reduction of WPL by 8.2%, compared with smooth baffles. This paper provides a reference for the optimal design of baffles in engineering applications. |
| first_indexed | 2024-03-09T23:15:13Z |
| format | Article |
| id | doaj.art-f77b5d99c40e47899d5e32d7f57f0b05 |
| institution | Directory Open Access Journal |
| issn | 2075-1702 |
| language | English |
| last_indexed | 2024-03-09T23:15:13Z |
| publishDate | 2022-05-01 |
| publisher | MDPI AG |
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| series | Machines |
| spelling | doaj.art-f77b5d99c40e47899d5e32d7f57f0b052023-11-23T17:38:45ZengMDPI AGMachines2075-17022022-05-0110641610.3390/machines10060416Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with BafflesYuzhe Zhang0Xiangying Hou1Hong Zhang2Jiang Zhao3College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, ChinaCollege of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, ChinaCollege of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, ChinaCollege of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, ChinaWindage power loss (WPL) is significant and cannot be neglected in a study on transmission efficiency and reducing the energy consumption of high-speed gear. The influence mechanism of the baffle on the reduction of WPL needs to be further studied. Based on computational fluid dynamics (CFD) technology, this paper puts stress on analyzing the influence of axial and radial baffles on viscous and pressure effects in WPL and the influence of baffles with groove structures on reducing WPL. The numerical calculation model of windage torque considering the baffle’s regulation is established, and the calculation results of WPL with different baffle configurations are obtained. The results indicate that the radial baffle mainly reduces pressure loss, while power loss caused by the viscous effect is mainly affected by the axial baffle. The baffle with the smallest clearance achieves the most significant suppression effect on windage. On this basis, adding groove structures to a smooth baffle can have a positive or negative impact on reducing WPL, and the baffles with circular grooves can further promote the reduction of WPL by 8.2%, compared with smooth baffles. This paper provides a reference for the optimal design of baffles in engineering applications.https://www.mdpi.com/2075-1702/10/6/416windage power losshigh-speed geargrooved bafflescomputational fluid dynamics |
| spellingShingle | Yuzhe Zhang Xiangying Hou Hong Zhang Jiang Zhao Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles Machines windage power loss high-speed gear grooved baffles computational fluid dynamics |
| title | Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles |
| title_full | Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles |
| title_fullStr | Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles |
| title_full_unstemmed | Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles |
| title_short | Numerical Simulation on Windage Power Loss of High-Speed Spur Gear with Baffles |
| title_sort | numerical simulation on windage power loss of high speed spur gear with baffles |
| topic | windage power loss high-speed gear grooved baffles computational fluid dynamics |
| url | https://www.mdpi.com/2075-1702/10/6/416 |
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