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Heng Chen, Zhen Qi, Qiao Chen, Yunyun Wu, Gang Xu and Yongping Yang
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Qiao Wang, Qing Li, Zhongting Wang, Hui Chen, Huiqin Mao and Cuihong Chen
In recent years, large-area heavy haze pollution cases occur frequently in eastern China, especially evident in Beijing-Tianjin-Hebei and the surrounding regions. In order to operationally monitor the process of larger regional heavy haze events, a type ...
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Qingquan Sun, Ju Shen, Haiyan Qiao, Xinlin Huang, Chen Chen and Fei Hu
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Jianlei Qiao, Zhongyang Li, Zheng Lv, Shuang Liu, Shanshan Chen and Yucai Feng
Buckwheat microgreens are rich in nutrients and have a unique flavor that is favored by consumers. The light environment is closely related to the growth and development of the plant. In order to study the effects of treatments with different combination...
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Kangshen Xiang, Weijie Chen, Siddiqui Aneeb and Weiyang Qiao
Future UHBR (Ultra-High Bypass-Ratio) engines might cause serious ?turbine noise storms? but, at present, turbine noise prediction capability is lacking. The large turning angle of the turbine blade is the first major factor deserving special attention. ...
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Yudi Xing, Weijie Chen, Xingyu Wang, Fan Tong and Weiyang Qiao
Among the several noise-generation mechanisms of airfoil self-noise, trailing-edge bluntness noise is an important noise source, which is caused by the vortex shedding at blunt trailing edges. A numerical study on airfoil trailing-edge bluntness noise co...
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Xiaotao Qiao, Guotao Chen, Weichao Lin and Jun Zhou
Urban air mobility (UAM) is a promising transportation concept that can effectively address city traffic congestion and environmental pollution. Power batteries are used extensively in UAM vehicles, and their technical characteristics (charge rate and sp...
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Yiqun Li, Shaoqiang Liang, Jiahui Gao, Zong Chen, Siyuan Qiao and Zhouping Yin
Due to the limitation of space rover onboard computing resources and energy, there is an urgent need for high-quality drive trajectories in complex environments, which can be provided by delicately designed motion optimization methods. The nonconvexity o...
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Yanan Wang, Keyuan Li, Baijie Qiao, Zhixian Shen and Xuefeng Chen
The internal gear is part of the planetary and epicyclic gear pairs in the transmission system of the helicopter. Gear tooth wear is one of the most usual gear failures. This paper establishes an analytical model to evaluate the influence of tooth wear o...
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Tunbiao Wu, Ronghui Li, Qinglong Chen, Guiyuan Pi, Shijie Wan and Qiao Liu
A methodology of mathematical testing is proposed for a ship with twin azimuth thrusters based on numerical calculations. An unmanned surface vessel (USV) powered by two azimuth thrusters is considered, which is a model-scale configuration. The Ship Mane...
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Bai-Qiao Chen and C. Guedes Soares
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Jian Sun, Yiming Zhang, Haitao Chen and Jinyou Qiao
Present agricultural practices confront issues such as mismatches between tractors and implements, imprecise machinery allocation, and excessive machinery investment. Optimization of agricultural machinery systems was a potent remedy for these concerns. ...
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Ruoxuan Li, Bai-Qiao Chen and C. Guedes Soares
This paper focuses on the buckle propagation pressure of a pipe-in-pipe system under uniform external pressure. After the validation of the finite element model used in this research, several effects were studied. At first, the effects of the initial imp...
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Xiyong Zhao, Yanzhou Li, Yongli Chen, Xi Qiao and Wanqiang Qian
Chlorophyll a (chl-a) concentration is an important parameter for evaluating the degree of water eutrophication. Monitoring it accurately through remote sensing is thus of great significance for early warnings of water eutrophication, and the inversion o...
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Yuguang Lyv, Wei Qiao, Weichi Chen, Xianggang Cheng, Mengnan Liu and Yingjie Liu
The new Shanghai No. 1 Coal Mine is located in arid and semiarid area of northwest China, which is characterized by scarce rainfall, intense evaporation, and limited water resources. High-intensity coal mining has caused severe damage to groundwater reso...
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Bai-Qiao Chen, Paulo M. Videiro and C. Guedes Soares
A vision of the digital twins of the subsea pipelines is provided in this paper, with a coverage of the current applications and the challenges of the digital twins in the design, construction, service life, and assessments of life extension. Digital twi...
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Qiao Xu, Xiaolong Cui, Shunqi Mei, Yuchen He, Zhen Chen and Fanhe Meng
This paper addresses the problem of low electromagnetic weft insertion acceleration performance of extra-large width automatic looms. Based on single-stage electromagnetic weft insertion and multi-stage intermittent electromagnetic weft insertion, a sect...
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Ruoxuan Li, Bai-Qiao Chen and C. Guedes Soares
The effect of ovality length on imperfect sandwich pipes is investigated using the finite element method in the scenario of local buckling under external pressure. First, the finite element model of the imperfect sandwich pipelines is established in ANSY...
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Houyao Zhang, Chenfeng Li, Nan Zhao, Bai-Qiao Chen, Huilong Ren and Jichuan Kang
This paper proposes a dynamic evolutionary model to quantify the domino effect of ship engine room fires. Based on the spatial and temporal characteristics of fire accidents, the dynamic probability of the domino effect of multiple accident units is calc...
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Jian Chen, Yanxin Qiao, Fanjiang Meng and Yuxin Wang
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