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Tao Zhang, Qingzhen Lu, Jun Yan, Shichao Wang, Qianjin Yue, Shanghua Wu, Hailong Lu and Jinlong Chen
Flexible pipes are extensively used to connect seabed and floating production systems for the development of deep-water oil and gas. In the top connection area, end fitting (EF) is the connector between the flexible pipe and floating platform, as a criti...
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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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Liang Yang, Miaoer Liu, Yun Liu, Tao Zhang, Hailong Lu, Qingzhen Lu and Jun Yan
A cryogenic hose is used to transport liquefied natural gas at sea, where flexible fittings are sealed by corrugated lining and end flange welding. However, the extreme cryogenic temperatures of the conveyed fluid introduce substantial challenges to the ...
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Xiangjun Li, Jiezhong Dong, Hua Chen and Huawei Lu
Nowadays, with the increase of the thrust-to-weight ratio of the aero engines, the high aerodynamic load has made corner separation an issue for axial compressors. The complex three-dimensional flow field makes it challenging to suppress the corner separ...
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Ying Wang, Hongjian Wang, Qing Li, Yao Xiao and Xicheng Ban
At present, the tracking accuracy of underwater passive target tracking is often limited due to models that are overly simple, with low complexity, poor universality, and an inability to learn. In this paper, a cubature Kalman filter (CKF) algorithm base...
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Shuhe Zheng, Minglei He, Xuexin Jia, Zebin Zheng, Xinhui Wu and Wuxiong Weng
Agricultural robotics has emerged as a research area within robotics, with a particular focus on designing end effectors that are adapted to the physical characteristics of the target fruits. Acquiring a comprehensive understanding of the physical and me...
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Ranbing Yang, Yuming Zhai, Jian Zhang, Huan Zhang, Guangbo Tian, Jian Zhang, Peichen Huang and Lin Li
Potato machinery has become more intelligent thanks to advancements in autonomous navigation technology. The effect of crop row segmentation directly affects the subsequent extraction work, which is an important part of navigation line detection. However...
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Souad Ajjaj, Souad El Houssaini, Mustapha Hain and Mohammed-Alamine El Houssaini
The performance assessment of routing protocols in vehicular ad hoc networks (VANETs) plays a critical role in testing the efficiency of the routing algorithms before deployment in real conditions. This research introduces the statistical design of exper...
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Hannah E. Roberts, Katherine Morris, J. Frederick W. Mosselmans, Gareth T. W. Law and Samuel Shaw
Fe(II) bearing iron (oxyhydr)oxides were directly co-precipitated with Np(V)O2+ under anaerobic conditions to form Np doped magnetite and green rust. These environmentally relevant mineral phases were then characterised using geochemical and spectroscopi...
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Hannah E. Roberts, Katherine Morris, J. Frederick W. Mosselmans, Gareth T. W. Law and Samuel Shaw
Fe(II) bearing iron (oxyhydr)oxides were directly co-precipitated with Np(V)O2+ under anaerobic conditions to form Np doped magnetite and green rust. These environmentally relevant mineral phases were then characterised using geochemical and spectroscopi...
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Jinfeng Ma, Yuting Wang, Yu An, Mei Zhang and Xiaodong Wang
The impact of the spatial pattern of wetland plants on nitrogen removal is a hot research topic. Ten water samples were collected from separate sampling points in mid-August and at the end of October 2021, and the concentrations of TN, NH4-N, and NO3-N i...
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Bing Liu, Xiaohan Chen, Enyi Li and Guigao Le
To study the influence of launch conditions and wave interference on the stability of submersible aerial vehicles at the water?air interface, a coupling model for water-exit motion of submersible aerial vehicles was established by using the RNG k-e turbu...
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Jad Saade, Maya Atieh, Sophia Ghanimeh and Golmar Golmohammadi
Assessing the impact of climate change on streamflow is crucial for depicting the vulnerability of water resources and for identifying proper adaptation measures. This study used the Soil and Water Assessment Tool (SWAT) to simulate the impact of climate...
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Paolo S. Valvo
The paper presents a phenomenological epidemiological model for the description and prediction of the time trends of COVID-19 deaths worldwide. A bimodal distribution function?defined as the mixture of two lognormal distributions?is assumed to model the ...
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Luis F. Sanches Fernandes, Mário G. Pereira, Sónia G. Morgado and Eduarda B. Macário
Retention basins are used to control the quantity and quality of stormwater runoff. Their design is based on Intensity-Duration-Frequency (IDF) curves and on the assumption that the rainfall distribution is stationary. The analysis of rainfall observed f...
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Eleftherios Sdoukopoulos, Pinar Kose, Ayelet Gal-Tzur, Mohamed Mezghani, ... Lambros Mitropoulos
Pág. 1211 - 1220
Improving urban mobility and reaching the goal of sustainability is a key priority for the European Union. To this end, substantial efforts have been undertaken in several regions within the European context regarding the investigation and successful imp...
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Mohammed Baljon and Sunil Kumar Sharma
Every farmer requires access to rainfall prediction (RP) to continue their exploration of harvest yield. The proper use of water assets, the successful collection of water, and the successful pre-growth of water construction all depend on an accurate ass...
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Sven Kliesch, Josef Chalupper, Thomas Lenarz and Andreas Büchner
Smartphones are increasingly being used to enable patients to play an active role in managing their own health through applications, also called apps. The latest generation of sound processors for cochlear implants offer Bluetooth connectivity that makes...
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Massimo Pacella, Matteo Mangini and Gabriele Papadia
Considering the issue of energy consumption reduction in industrial plants, we investigated a clustering method for mining the time-series data related to energy consumption. The industrial case study considered in our work is one of the most energy-inte...
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Dascha Dobrovolskij and Katja Schladitz
Ultrasonic testing of polycrystalline media relies heavily on simulation of the expected signals in order to detect and correctly interpret deviations due to defects. Many effects disturb ultrasonic waves propagating in polycrystalline media. One of them...
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