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Xueyan Wang, Yuan Mei, Yili Yuan, Rong Wang and Dongbo Zhou
Small-diameter jacked piles are widely used in civil engineering. The formation and development of the soil-plugging effect and surface frictional behavior of jacked piles have a high impact on the construction process and pile quality. Clarifying the de...
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Auchib Reza and Ashutosh Sutra Dhar
Small diameter (42 mm) medium density polyethylene (MDPE) pipes are widely used in the gas distribution system in Canada and other countries. They are sometimes exposed to ground movements resulting from landslides or earthquakes. The current design guid...
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Qiaolin Li, Yuki Shimizu, Toshiki Saito, Hiraku Matsukuma, Yindi Cai and Wei Gao
Attempts are made in this paper to improve the quality of the stitching between adjacent arc-profiles in the stitching linear-scan method for the roundness measurement of a cylinder in a small dimension. The data in the edge region of an arc-profile, whi...
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Zhen Li, Xinda Li, Tao Xu and Lei Zhang
Tissue-engineered vascular grafts (TEVGs) are considered one of the most effective means of fabricating vascular grafts. However, for small-diameter TEVGs, there are ongoing issues regarding long-term patency and limitations related to long-term in vitro...
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Tadeusz Nawrot, Radoslaw Matz, Ryszard Blazejewski and Marcin Spychala
This article presents a small diameter gravity sewerage system in a rural area. In this system, domestic wastewater was preliminarily treated in septic tanks equipped with outlet filters, so the effluent features were similar to those of clear water. Add...
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Jonguk Kim, Jung-joo Kim, Hafeezur Rehman and Hankyu Yoo
The non-open-cut method is used for constructing tunnels under existing roads without blocking traffic. Various non-open-cut methods use pipe roofs made of medium- and large-diameter steel pipe piles. However, the risk of ground settlement or heave is in...
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Wenchao Wang, Hongwang Du, Wei Xiong and Yong Nie
Component parameters directly affect the dynamic characteristics of suspension systems in small rescue craft. To study and improve the vibration reduction performance of a new suspension system, sensitivity analysis and genetic algorithm (GA) optimizatio...
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Zhipeng Zang, Zhuo Fang, Kuan Qiao, Limeng Zhao and Tongming Zhou
A three-dimensional numerical model was established based on ANSYS-AQWA (R19.0) software for the purpose of analyzing the hydrodynamic characteristics of a floating breakwater. This study examines three distinct floating breakwaters with different cross-...
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Vincenzo Sammartano, Costanza Aricò, Armando Carravetta, Oreste Fecarotta and Tullio Tucciarelli
In hydropower, the exploitation of small power sources requires the use of small turbines that combine efficiency and economy. Banki-Michell turbines represent a possible choice for their simplicity and for their good efficiency under variable load condi...
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Tao Wang, Yu Xiang, Liyuan Liu and Wang Xiong
Relying on the Mawan undersea large-diameter, dual-line, mud?water-balanced shield tunnel project and focusing on the characteristics of the tunnel, such as the complex geological conditions at the expected intersection location and the existence of a su...
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Longyu Fang, Wenwu Yang, Xiwen Luo, Han Guo, Shiyu Song, Qinghai Liu, Haoyang Xie, Weiman Chen, Jianxin Lu, Zhixiang Peng and Guanjiong Li
Due to factors such as a small amount of fertilizer application during rice topdressing and slow machine speed, the ordinary fertilizer discharge device fails to distribute the fertilizer uniformly and accurately as required, making it difficult to meet ...
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Jing Zhou, Yushan Wu, Jian Chen, Mingren Cui, Yudi Gao, Keying Meng, Min Wu, Xinyu Guo and Weiliang Wen
Solving the problem of the stem contour extraction of maize is difficult under open field conditions, and the stem diameter cannot be measured quickly and nondestructively. In this paper, maize at the small and large bell stages was the object of study. ...
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Lin Xi, Huasheng Ni, Buyun Wang, Zengchan Li and Chenghao Zhang
Research on space docking technology was first motivated by the application scenario of space station docking in the aviation field. Due to the maturity of this technology, its application field is expanding to other industries. To benefit the intelligen...
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Zhipeng Qu, Wanyu Wang, Houdi Xiao, Yao Xiao, Guangli Li and Kai Cui
The waverider is widely used in hypersonic vehicles with its high aerodynamic performance, but due to the serious aerothermal environment, its sharp leading edge should be blunted. Circular blunt is one of the commonly used aerothermal characteristic pro...
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Zhian Ye, Shaoxin Kang, Zhengjiang Wang, Qi Jiang, Jiangtao Zhang, Bin Zheng and Jinlei Wang
The high-efficiency sedimentation tank has a wide range of application prospects in industrial wastewater treatment due to its small footprint, strong resistance to shock loads, and high efficiency. However, the complex flow field distribution inside sig...
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Chun-Yao Yang and Yi-Chih Chow
Juncture flows associated with surface-mounted obstacles can be characterized by a U-shaped tubular vortical flow known as a horseshoe vortex (HSV). Horseshoe vortices are usually detrimental to engineering applications. In order to identify a boundary g...
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Kae Tsunematsu, Fukashi Maeno and Kouichi Nishimura
Snow avalanches are catastrophic phenomena because of their destructive power. Therefore, it is very important to forecast the affected area of snow avalanches using numerical simulations. In our study, we focus on applying a numerical model to snow aval...
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Marco D?Arienzo, Anna Sarnelli, Emilio Mezzenga, Laura Chiacchiararelli, Antonino Amato, Massimo Romanelli, Roberto Cianni, Marta Cremonesi and Giovanni Paganelli
The aim of the present paper is twofold. Firstly, to assess the absorbed dose in small lesions using Monte Carlo calculations in a scenario of intratumoral injection of 90Y (e.g., percutaneous ablation). Secondly, to derive a practical analytical formula...
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Manuel Hildebrandt, Heiko Schwarz, Corina Schwitzke, Hans-Jörg Bauer and Jens Friedrichs
Reducing losses in the secondary air system of gas and steam turbines can significantly increase the efficiency of such machines. Meanwhile, brush seals are a widely used alternative to labyrinth seals. Their most valuable advantage over other sealing co...
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Manuel Hildebrandt, Heiko Schwarz, Corina Schwitzke, Hans-Jörg Bauer and Jens Friedrichs
Reducing losses in the secondary air system of gas and steam turbines can significantly increase the efficiency of such machines. Meanwhile, brush seals are a widely used alternative to labyrinth seals. Their most valuable advantage over other sealing co...
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