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Jie Zhang, Xiang Tian, Chao Zhao, Xiuzhen Yu, Shiguan An, Rui Guo and Bin Feng
During the steady operation of the 9FF square bale corn stalk pulverizer, the rapidly rotating spindle drives the hammers and impellers to form a complicated airflow field environment in the crushing chamber. The flow field characteristics in the crushin...
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Asli Bor, Marcell Szabo-Meszaros, Kaspar Vereide and Leif Lia
CFD models of intakes in high-head hydropower systems are rare due to the lack of geometric data and cost of modeling. This study tests two different types of software to see how modeling can be performed in a cost-effective way with scarce input data an...
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Murat Ekici, Ahmet Çagdas Seçkin, Ahmet Özek and Ceyhun Karpuz
The use of robotic systems in logistics has increased the importance of precise positioning, especially in warehouses. The paper presents a system that uses virtual fiducial markers to accurately predict the position of a drone in a warehouse and count i...
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Qingyu Zhu, Qingkai Han, Jinguo Liu and Changshuai Yu
In this paper, a finite element model updating (FEMU) method is proposed based on the response surface model (RSM) and genetic algorithm (GA) to establish a high-precision finite element (FE) model of space station scientific experiment racks. First, the...
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Dong Yan, Weigang Deng, Shengshi Xie, Chenglong Liu, Zhiqi Ren, Haohao Zhao, Yansong Cai and Zexin Zhao
To study the influence law of the overburden rotating plate mechanism on the fragmentation and separation of potato soil agglomerates, a single-factor test and a response surface test simulation analysis of the soil fragmentation process were conducted i...
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Octavio Carrillo-Muro, Alejandro Rivera-Villegas, Pedro Hernandez-Briano, Marco Antonio Lopez-Carlos and Beatriz Isabel Castro-Perez
The objective was to determine the effect of calcium propionate (CaPr) inclusion in the diet, at different periods on the growth performance, carcass characteristics, and meat quality of finishing lambs. Thirty-six Dorper × Katahdin crossbred male lambs ...
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Zhe Qu, Qi Lu, Haihao Shao, Long Liu, Xiuping Wang and Zhijun Lv
At present, there are few harvesters for dandelion (Taraxacum mongolicum) seeds, which limits the large-area planting of dandelion. Furthermore, manual harvesting is characterized by huge labor intensity, low efficiency, and high costs. Combining the mat...
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Sebastien Erpicum, Vasileios Kitsikoudis, Pierre Archambeau, Benjamin Dewals and Michel Pirotton
The fragmentation of rivers caused by the construction of dams and weirs disturbs fish migration and poses a threat to fish populations and aquatic biodiversity. Fish passages around hydraulic structures aim to restore river connectivity; however, the ef...
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Puneeth Jakkula, Amitay Cohen, Bratislav Lukic, David Levi-Hevroni, Alexander Rack, Georg Ganzenmüller and Stefan Hiermaier
Studying the failure behaviour of engineered or natural materials under dynamic loading scenarios is of high importance, for example to investigate the fracture mechanics and to prevent catastrophic failures of constructions. When dynamic loading is coup...
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Fattouh M. F. Shaker, Zekriat Mamdooh, Ahmed Deifalla and Mohamed M. Yehia
Cold-formed steel sections are becoming popular for different steel structures, because they have a high resistance against different straining actions, with a minimal weight compared with hard steel sections. Recently, perforated cold-formed steel (PCFS...
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