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Wenjie Shen, Suofang Wang, Mengyuan Wang, Jia Suo and Zhao Zhang
Improving airflow pressure is of great significance for the cooling and sealing of aeroengines. In a co-rotating cavity with radial inflow, vortex reducers are used to decrease the pressure drop. However, the performance of traditional vortex reducers is...
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Wenfei Guan, Wenzhong Guo, Fan Chen, Xiaobei Han, Haiguang Wang, Weituo Sun, Qian Zhao, Dongdong Jia, Xiaoming Wei and Qingzhen Zhu
To address the issues of excessive heat loss from the roofs of multi-span greenhouses and high energy consumption for heating during winter production, we propose an approach for the external insulation of the roof of multi-span glass greenhouses and hav...
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Xuepeng Liu, Shiping He and Jianhua Zheng
Deep-sea pressure vessels are specialized pressure vessels designed for automatic deployment from underwater to the surface. These vessels find extensive applications in underwater life-saving and transportation. Their interiors are furnished with a pair...
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De Nyago Tafen, Barbara Kutchko and Mehrdad Massoudi
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper desc...
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Li Chen, Pucheng Zhu, Pei Liu, Wei Zhang, Xinxin Geng and Linna Ma
In order to achieve the rational development and utilization of underground water resources in the Dongsheng mining area under coal mining conditions, we selected the upstream area of Beiniuchuan River as a typical region. Through field investigations, s...
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Guangxuan Zhu, Qingsong Zhang, Xin Lin, Rentai Liu, Lianzhen Zhang and Jianwei Zhang
The diffusion and sealing mechanisms of cement-sodium silicate grout (C-S grout), which is widely used in flowing water sealing projects, are complicated. Based on a large-scale quasi-three-dimensional simulation test platform of fracture dynamic water g...
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Hao Wang, Jiawang Chen, Yuhong Wang, Jiasong Fang and Yuping Fang
The ecosystem of the abyss is one of the fields that humans hardly know. The ultra-high hydrostatic pressure makes it very difficult to obtain abyssal organisms. Samples are often severely broken during recovery due to changes in environmental pressure, ...
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End fittings are essential components in marine flexible pipe systems, performing the two main functions of connecting and sealing. To investigate the sealing principle and the influence of the temperature on the sealing performance, a hydraulic-thermal ...
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Chih-Yung Huang, Cheng-Kang Hu, Chih-Jie Yu and Cheng-Kuo Sung
This study presents an experimental investigation of a piston engine driven by compressed air. The compressed air engine was a modified 100 cm3 internal combustion engine obtained from a motorcycle manufacturer. The experiments in this study u...
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Charles R. Stern,Patricio I. Moreno,Rodrigo Villa-Martinez,Esteban A. Sagredo,Alfredo Prieto,Rafael Labarca
Pág. 82 - 97
Newly described outcrops, excavations and sediment cores from the region of Última Esperanza, Magallanes, contain tephra derived from the large late-glacial explosive R1 eruption of the Reclús volcano in the Andean Austral Volcanic Zone. New radiocarbon ...
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