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Yecheng Wang, Xueqi Kang, Guoqing Wang and Wenyi Ji
A seed-metering device is a key component for precision seeding and the core component of precision seed-metering devices. Nowadays, high-speed seeding is a trend in the development of seed-metering devices, but the filling performance of mechanical seed...
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Guichuan Li, Haiyu Li, Xuan Li, Zhichao Gong, Qinghua Yang, Yuxiang Huang and Zuoli Fu
Aiming at the lack of accurate and reliable discrete element simulation parameters for the design of buckwheat metering devices and seeders based on the discrete element simulation method, an accurate buckwheat seed model was obtained by calibrating the ...
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Guopeng Mi, Yan Liu, Tao Wang, Jianxin Dong, Shilin Zhang, Qiwei Li, Kezhou Chen and Yuxiang Huang
This study aimed to improve the measurement accuracy of the discrete element method (DEM) simulation parameters of sorghum seeds for enhanced model accuracy. We measured the intrinsic and contact parameters of sorghum seeds, extracted the outline of the ...
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Kanmin Shen, Kuanjun Wang, Juntian Yao and Jian Yu
The control centers of wind power plants are usually located in coastal tidal flat areas. A thick fill should be placed at the original ground level to ensure that the design elevation of the control centers is maintained above the water table. However, ...
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Mingyu Li, Wenjing Sun and Zhanyang Chen
Adding biochar to soil can improve the soil?s physical?chemical properties, microscopic pore structure, and bacterial habitat. This affects the soil?s strength characteristics and the oxidization of methane. Using a Humboldt pneumatic direct shear instru...
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Xiang Chen, Jianhua Shen, Xing Wang, Ting Yao and Dongsheng Xu
Coral sand is the main filling material for the island?reef foundation. Under tidal actions, the saturation (Sr) of coral sand layers varies with the specific depths in the reclaimed foundation. Studying the Sr effect of coral sand?s mechanical behaviors...
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Audre Rugyte, Mindaugas Dauk?ys, Svajunas Juociunas and Ruben Paul Borg
The interaction between concrete and steel occurs during concrete mixing and finishing processes, during filling of concrete moulds, formwork, composite columns and during pumping of concrete mixtures. More experimental investigation is required to predi...
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Aleksandr Dykha,Vladyslav Svidersky,Igor Danilenko,Viktor Bilichenko,Yuri Kukurudzyak,Ludmila Kirichenko
Pág. 38 - 48
This paper reports the analytical and experimental studies aimed at designing and modeling fluoropolymer anti-friction materials. The optimal ratios of the total surface of polymer particles to the total surface of filler particles for different brands o...
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Natalia Hrudkina,Leila Aliieva,Payman Abhari,Oleg Markov,Liudmyla Sukhovirska
Pág. 49 - 57
The possibilities of using an energy method to forecast defect formation in the form of shrinkage depression in the combined extrusion processes have been investigated. We have proposed a mathematical model of the combined radial-reverse extrusion proces...
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D. O. Bannikov
Pág. 94 - 100
In the paper the results of the author?s experimental observations with a transparent model of reservoir of vertical cross-section are presented. The observations were devoted to the character of packing the grains of loose material. The influence of a s...
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