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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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Haojun Wen, Xiaodong Ma, Chenjian Qin, Hao Chen and Huanyu Kang
The high clearance spray is a type of large and efficient agricultural machinery used for plant protection, and path tracking control is the key to ensure the efficient and safe operation of spray. Sliding mode control and other methods are commonly used...
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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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Szabolcs Szalai, Brigitta Fruzsina Szívós, Dmytro Kurhan, Attila Németh, Mykola Sysyn and Szabolcs Fischer
The article deals with DIC (Digital Image Correlation) tests on steel plates used in the automotive and railway industries, as well as in the construction industry. The most critical part of DIC tests is the quality of proper surface preparation, paintin...
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Yixin Shi, Siliang Xiang, Minzi Xu, Defan Huang, Jianfei Liu, Xiaocong Zhang and Ping Jiang
The uniform and accurate mixing of pesticides in water is a necessary prerequisite for plant protection, especially for enabling precise variable spraying, and is also an important method to achieve a precise reduction in pesticide spraying. In order to ...
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Saad E. Kaskah, Gitta Ehrenhaft, Jörg Gollnick and Christian B. Fischer
To investigate the corrosion protection behavior of naturally derived cocoyl sarcosine in combination with N-b-hydroxyethyl oleyl imidazole for steel CR4 in 0.1 M NaCl, different evaluation systems (weight loss, electrochemical measurements, and spray co...
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Xuan Jin, Yang Yang, Xiaomei Cao and Jinshui Wu
The variable-area pintle injector has unique geometry and spray characteristics compared to traditional coaxial injectors, and is advantageous for weight lightening and deep throttling of liquid rocket engines. To obtain an accurate prediction of the spr...
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Krzysztof Kaczmarski, Kinga Plawecka, Barbara Kozub, Patrycja Bazan and Michal Lach
Various types of coatings are applied to the surface of an object or substrate to improve surface properties or extend service life, which in turn is associated with cost reductions. The main objective of this study was to develop a technique for the add...
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Panagiota T. Dalla, Ilias K. Tragazikis, Dimitrios A. Exarchos, Konstantinos G. Dassios, Nektaria M. Barkoula and Theodore E. Matikas
The study investigates the effect of carbon nanotubes on chloride penetration in nano-modified mortars and reports on the physical, electrical, and mechanical performance of the material. Mortars were artificially corroded and their surface electrical su...
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Catherine A. Lindell, Melissa B. Hannay and Benjamin C. Hawes
Bird damage to fruit is a long-standing challenge for growers that imposes significant costs because of yield losses and grower efforts to manage birds. We measured bird damage in ‘Bluecrop’ blueberry fields and Pinot noir vineyards in 2012&n...
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