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Gao Huang, Chengjun Qiu, Mengtian Song, Wei Qu, Yuan Zhuang, Kaixuan Chen, Kaijie Huang, Jiaqi Gao, Jianfeng Hao and Huili Hao
Cavitation is typically observed when high-pressure submerged water jets are used. A composite nozzle, based on an organ pipe, can increase shear stress on the incoming flow, significantly enhancing cavitation performance by stacking Helmholtz cavities i...
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Yuning Zhang, Xiaofei Zhang, Shurui Zhang, Hongbo Wang, Kehui Zha, Zhaohao Li and Yuning Zhang
The cavitation bubble within a droplet is one of the frontier topics in bubble dynamics, with applications in many industrial fields. In the present paper, the dynamics of the cavitation bubble wall and the droplet surface, with different radius ratios, ...
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Yingjie Yu, Ying Cao, Qinghui Lai, Qinghui Zhao, Zhexing Sun, Shengwu Zhou and Dake Song
This study designed a handheld vibrating coffee harvester to improve the mechanized harvesting of Coffea arabica L. The proposed device was used to vibrate branches of Coffea arabica L. trees, and the shedding of coffee fruit and the operation parameters...
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Guangchao Zhan, Lina Ma, Wangyuan Zong, Wei Liu, Dinglin Deng and Guodang Lian
The transmission characteristics of the vibration excitation of rape plants are of great significance to the study of the harvesting loss and threshing mechanism of rape during harvesting. Aiming to examine the problem that the existing vibration measure...
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Xianggeng Wei, Yiming Feng, Jinying Ye, Na Li and Oskar J. Haidn
This study conducted cold flow experimental research on the influence of mass flow rate on the atomization characteristics of screw conveyer swirl injectors in an opening environment. The Phase Doppler Particle Analyzer (PDPA) and high-speed photography ...
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Yexin Li, Binjie Li, Yiyao Jiang, Chengrui Xu, Baidong Zhou, Qi Niu and Chengsong Li
In order to design a branch-cutting type green pepper harvesting device, we firstly study the whole process of straight knife green pepper cutting to reveal the cutting mechanism and provide theoretical guidance to the design. A finite element model was ...
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Qi-Gang Wu, Zuo-Cheng Wang, Bao-Yu Ni, Guang-Yu Yuan, Yuriy A. Semenov, Zhi-Yuan Li and Yan-Zhuo Xue
When an airgun releases high-pressure gas underwater below an ice plate, it is observed that a bubble is formed rapidly while the ice plate is broken fiercely. In order to study the ice-water-gas interaction during this transient and violent phenomenon, ...
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Zhenfa Xu, Fanyu Kong, Hongli Zhang, Kun Zhang, Jiaqiong Wang and Ning Qiu
Inducer is often used to improve the cavitation performance of pump. In order to study the cavitation characteristics of inducer under low flow condition of high-speed pump, high-speed photography technology was employed in this paper to carry out visual...
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Hu Zhang, Jianbo Zang, Weidong Shi and Desheng Zhang
To understand the formation mechanism and evolution process of the perpendicular cavitation vortex (PCV) of an axial flow pump for off-design conditions, turbulent cavitating flows were numerically investigated using the rotation curvature-corrected shea...
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Andreas Tausendfreund, Dirk Stöbener and Andreas Fischer
In order to study the mechanical loads of a workpiece in manufacturing processes such as single-tooth milling, in-process measurements of workpiece deformations are required. To enable the resolution of shock waves due to the mechanical impact of the too...
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