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Yunshuai Li, Xinyuan Shao, Zhixiang Wu, Zhongyi Sun, Mingzhe Li, Lingxiu Jiang, Yuanhong Xian and Peng Wang
Land surface temperature plays an important role in the water cycle and surface energy balance. Using data collected by a vorticity covariance tower from 2010 to 2022, the relative threshold method and TRM method were employed to study the land?atmospher...
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Yuyang Liu and Xian Yi
The tangential jet-induced swirling flow is a highly efficient technology for enhancing heat transfer. This paper explores the application of swirling flow of an airfoil/aero-engine in a hot air anti-icing chamber, aiming to improve the anti-icing perfor...
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Weixin Zhou, Yao Zhao, Hua Yuan and Zhaoxin Ren
The unclear change laws of bearing offset and rotation, both of which influence the condition of shaft alignment during hull deformation, make it difficult to optimize shafting design. In this paper, an integrated hull-bearing-shaft model is designed and...
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Justin R. Mansell, John M. Bellardo, Bruce Betts, Barbara Plante and David A. Spencer
The propellantless thrust of solar sails makes them capable of entirely new classes of missions compared to conventional or electric engines. Initiated in 2010, the Planetary Society?s LightSail program sought to advance solar sail technology with the fl...
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Zhiping Li, Yujiang Lu, Tianyu Pan and Yafei Zhang
The flow separation occurring in the S-shaped diffuser with boundary layer ingestion (BLI) has a significant effect on the performance of the embedded engine. Previous studies have found that the area ratio (AR) as well as the length-to-offset ratio (LOR...
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Jianan Xu, Yiming Wang, Junling Ma and Yong Zhan
During the rough marine environment, heave compensation is used to offset the heave motion of the vessel when a marine crane lifts and lands the load. Thus, load motion and vessel motion are realized decoupled. In previous studies, the interference items...
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Yuan Mei, Dongbo Zhou, Wenyan Shi, Yuhang Zhang and Yu Zhang
Due to the large cross-section design of large-diameter shield tunnels, most of the rocks and soils it crosses are composite strata with upper soft and lower hard. In order to reduce the construction cost of shield working shafts, large-diameter shield l...
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Gang Wei, Pengfei Xiang, Haibo Jiang, Di Sun, Fengjun Xu and Huifang Guo
For the effect of two-sided sudden surcharge/unloading on existing shield tunnels, an indoor dimensional reduction model test was conducted at a scale of 1:15.5, measuring the ground settlement, lateral convergence of the shield tunnel, and additional su...
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Chuanwei Wang, Saisai Wang, Hongwei Ma, Heng Zhang, Xusheng Xue, Haibo Tian and Lei Zhang
Tracked inspection robots possess prominent advantages in dealing with severe environment rescue, safety inspection, and other important tasks, and have been used widely. However, tracked robots are affected by skidding and slipping, so it is difficult t...
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Jianan Xu, Haiyang Zhu, Daitao Guan and Yong Zhan
To improve the energy extraction performance of the oscillating hydrofoil, the lift force that acts on the oscillating hydrofoil is analyzed. The pressure difference between the oscillating hydrofoil?s opposing surfaces is dominant to generate the lift f...
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