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Chan-Hoo Kim, Ji-Hyun Choi and Sung-Young Park
Contaminated autonomous-driving sensors frequently malfunction, resulting in accidents; these sensors need regular cleaning. The autonomous-driving sensor-cleaning nozzle currently used is the windshield-washer nozzle; few studies have focused on the sen...
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Chunfeng Zhang, Changyuan Zhai, Meng Zhang, Chi Zhang, Wei Zou and Chunjiang Zhao
The pulse-width modulation (PWM) variable spray system is the most widely used variable spray system in the world at present, which has the characteristics of a fast response, large flow adjustment range, and good atomization. Recently, the pressure fluc...
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Denan Zhao, Simon Cooper, Parmjit Chima, Guobin Wang, Lechun Zhang, Binshu Sun, Xuejian Zhang and Yubin Lan
Utilizing agricultural UAVs for pesticide and insecticide spraying is an effective measure for plant protection. However, achieving effective coverage on the back side of target is often challenging. To address this issue, this study combined a contact-c...
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Lianjun Chen, Yang Zhang, Pengcheng Li and Gang Pan
This paper aims to reveal the motion law and collision behaviors of shotcrete particle flow jets. A physical model of the jet flow field composed of a nozzle structure and jet area was constructed and meshes with various sizes were used to mesh the nozzl...
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Seung-Hwa Yu, Yeongho Kang and Chun-Gu Lee
Pest control is essential for increasing agricultural production. Agricultural drones with spraying systems for pest control have generated great interest among farmers. However, spraying systems installed on unmanned aerial vehicles, like any other spra...
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Xinli Zhao, Shanyang Wei, Yunyun Chu and Na Wang
In this paper, to reflect a real fire combustion situation of stilted buildings with a typical wooden structure, we used FDS numerical simulation software to study the suppression effect of a fine-water-mist fire-extinguishing system under different work...
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Penghui Li, Dong Yang, Zixuan Fang, Qingfei Fu and Lijun Yang
Gelled fuels have promising applications in the aerospace field. Higher density and calorific value can be achieved with the addition of energetic metal particles to gelled fuels, which can also effectively improve the combustion efficiency of the fuel a...
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Bing Liu, Renfeng Li, Xiaohan Chen, Jinlan Gou, Bangming Li and Guigao Le
This paper aims to study the influence of the structure of spray holes and throats on the flow field and the internal trajectory of the gas?steam ejection device. The compressible Navier?Stokes equations, discrete ordinate methods and RNG k-e turbulence ...
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Yahui Luo, Defan Huang, Ping Jiang, Siliang Xiang, Jianfei Liu, Minzi Xu and Yixin Shi
Crop cultivation in solar greenhouses is affected by issues such as low levels of automation in spraying machinery, inefficient spraying, and a lack of suitable spraying equipment for vertically cultivated crops, all of which are in urgent need of resolu...
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Jihang Xu, Weitao Bai, Jian Wang, Zhihui Mu, Weizhen Sun, Boda Dong, Kai Song, Yalan Yang, Shirong Guo, Sheng Shu and Yu Wang
Greenhouses provide suitable environmental conditions for plant growth. Double-layer plastic greenhouses are often used in many regions to ensure normal crop growth during winter since single-layer plastic greenhouses have poor insulation. However, durin...
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