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Xiaojun Zhang, Zhuo Li, Zheng Wei and Wenxue Gao
Blasting technology is widely applied in various engineering applications due to its cost-effectiveness and high efficiency, such as in mining, transport infrastructure construction, and building demolition. However, the occurrence of cracking in the rea...
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Priyanka Sharma and Rishi Pal Singh
Wireless underground sensor networks (WUSNs) are being used in agricultural applications, in border patrol, and in the monitoring of remote areas. Coverage holes in WUSNs are an issue which needs to be dealt with. Coverage holes may occur due to random d...
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Long Wang, Jianfei Xing, Xiaowei He, Xin Li, Wensong Guo, Xufeng Wang and Shulin Hou
Due to the lack of water resources, the main agricultural planting method used in the northwest region of China is plastic film mulching, with precision hole sowing performed on the film after mulching. However, conventional hole-forming devices damage t...
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Bin Qu, Zilong Chen, Dengke He, Fei Zeng, Youfu Song, Yuqing Ouyang and Lei Luo
Today, impingement cooling structures with dimples can effectively ease the burden of turbine blades. This paper investigates the effect of dimple diameter and depth on the heat transfer of the target surface on a laminar-cooled turbine blade with a cros...
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Shabir Ahmad Sofi, Roohie Naaz
Pág. 113 - 118
Ad Hoc wireless sensor network (WSN) is a collection of nodes that do not need to rely on predefined infrastructure to keep the network connected. The level of security and performance are always somehow related to each other, therefore due to limited re...
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Alexey Pashchenko, Oleksandr Gritsunov, Oksana Babichenko
Pág. 176 - 185
The subject of research in the article is the energy spectrum of a multilayer quantum sized structure with an energy profile of a complex shape. The goal of this work is to study the interaction of quantum-confined and quasi- continuum energy states of p...
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Zulfiqar Ali Zardari, Jingsha He, Nafei Zhu, Khalid Hussain Mohammadani, Muhammad Salman Pathan, Muhammad Iftikhar Hussain and Muhammad Qasim Memon
A mobile ad-hoc network (MANET) is a temporary network of wireless mobile nodes. In a MANET, it is assumed that all of the nodes cooperate with each other to transfer data packets in a multi-hop fashion. However, some malicious nodes don?t cooperate with...
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Jianguo Wang, Philip Rubini, Qin Qin and Brian Houston
Passive control devices for combustion instability and combustion noise in gas turbine engines.
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C. CASICCIA,F. ZAMORANO,A. HERNÁNDEZ
The most austral zone of the Southern Cone of South America, which is sometimes under the influence of the Antarctic Ozone Hole (AOH), occasionally receives enhanced levels of ultraviolet B radiation (UV-B: 280-320 nm). Ultraviolet erythemal irradianc...
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Shamim Younas, Faisal Rehman, Tahir Maqsood, Saad Mustafa, Adnan Akhunzada and Abdullah Gani
Vehicle ad hoc networks (VANETs) are vital towards the success and comfort of self-driving as well as semi-automobile vehicles. Such vehicles rely heavily on data management and the exchange of Cooperative Awareness Messages (CAMs) for external communica...
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Liang Ge, Ziyang Fang, Hao Li, Le Zhang, Wen Zeng and Xiaoting Xiao
China is rich in coal resources, but complex hydrogeological conditions lead to difficulties in coal mining, including coal mine collapses, roof and water damage, and other accidents that occur frequently, resulting in many casualties and property losses...
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Li Zhang, Pengtao Wang, Wenhai Yang, Weiguang Zuo, Xinhong Gu and Xiaoxiao Yang
Factors such as flow and sediment characteristics affecting the spur dike?s local depth of erosion have yielded considerable research results, but there is little discussion of the geometry of the spur dike?s local scour holes. This study focuses on the ...
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Rui Liu, Zhongjun Liu, Jiale Zhao, Qi Lu, Lijing Liu and Yinghang Li
In disturbance-assisted seed filling vacuum seed-metering devices, the suction hole causes difficulty in quickly and stably sucking seeds when used for high-speed seeding and the large working negative pressure demand is used. To address this difficulty,...
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Yannis Androulidakis, Vassiliki Kourafalou, Lars Robert Hole, Matthieu Le Hénaff and HeeSook Kang
The DeepWater Horizon oil spill in the Gulf of Mexico (GoM) in 2010 raised the public awareness on potential spills from offshore exploration activities. It became apparent that knowledge of potential oil pathways in the case of a spill is important for ...
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Chenwei Zhao, Zecan Tu and Junkui Mao
The film-cooling performance of a 2.5D braided ceramic matrix composite (CMC) plate with preformed holes was numerically studied. Four numerical models containing braided structures were established: one model with film-cooling holes preformed through fi...
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Cheng Qian, Siyu He, Wei Qin, Youcong Jiang, Zishun Huang, Meilin Zhang, Minghua Zhang, Wenwu Yang and Ying Zang
The double-hole rice vacuum seed meter is critical equipment for the planting precision of rice direct seeding. The effects of shaped holes and seed disturbance on the precision of rice bunch planting were investigated to improve the precision of bunch p...
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Wendong Zhong, Xuan Zhao, Fei Liu, Hongbin Bai, Wenxue Dong, Hengtong Hu and Xiang Kong
This paper proposes a solution to the problem of tight population in the filling area of traditional air suction seed metering devices during quinoa sowing, which leads to inaccurate adsorption. The proposed method disperses the population into a stable ...
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Muhammad Aamir, Majid Tolouei-Rad, Ana Vafadar, Muhammad Nouman Amjad Raja and Khaled Giasin
Multi-spindle drilling simultaneously produces multiple holes to save time and increase productivity. The assessment of hole quality is important in any drilling process and is influenced by characteristics of the cutting tool, drilling parameters and ma...
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Yuan Tian, Bangcheng Han, Xinyu Liu, Kai Shen and Jiangbo Li
Using experimental methods to study the influence of hole and cracks on the mechanical properties and fracture characteristics of rock-like mortar materials under biaxial compression conditions. The double crack specimens with hole depths from 0?100 mm a...
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Bo Lu, Xiangdong Ni, Shufeng Li, Kezhi Li and Qingzheng Qi
According to the agronomic requirements of cotton precision seeding, the researchers designed a split seeding system to achieve high-speed precision seeding on the membrane. The 3D models used in the simulation process were created using Solidworks. They...
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