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Aleksey Marchenko and Nataliya Marchenko
Changes in the masses of icebergs due to deterioration processes affect the drift of icebergs and should be taken into account when assessing iceberg risks in the areas of offshore development. In 2022 and 2023, eight laboratory experiments were carried ...
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Jin Yan, Jiangfeng Li, Lvlong Zou, Dapeng Zhang, Cheng Wang and Zhi Tang
Based on the theory of acoustic?solid coupling, the phase velocity-thickness product of a double-layer liquid-filled pipeline is analyzed, and the dispersion relationship between angular frequency and wavenumber?thickness product is analyzed, providing a...
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Cai Lu and Chunlong Zhang
Seismic velocity inversion is one of the most critical issues in the field of seismic exploration and has long been the focus of numerous experts and scholars. In recent years, the advancement of machine learning technologies has infused new vitality int...
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Bingyue Jia, Yining Zhang, Hao Meng, Fanxiao Meng, Hu Pan and Yanji Hong
Rotating detonation engines (RDEs) are a promising propulsion technology featuring high thermal efficiency and a simple structure. To adapt the practical engineering applications of ramjet RDEs, rotating detonation combustion using a liquid hydrocarbon a...
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Indrakshi Dey and Nicola Marchetti
In this paper, we develop a tractable mathematical model and an emulation framework for communicating information through water using acoustic signals. Water is considered one of the most complex media to model due to its vastness and variety of characte...
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Katsuya Nakamura, Yoshikazu Kobayashi, Kenichi Oda and Satoshi Shigemura
Acoustic emission (AE) source localization has been used to visualize progress failures generated in a wide variety of materials. In the conventional approaches, AE source localization algorithms assume that the AE signal is propagated as a straight line...
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Mi Li and Jianjun He
The depth of electrodes inserted into the charge plays a vital role in controlling the submerged arc furnace. Therefore, we used ultrasound waves reflected from the electrode tip to estimate the depth of electrodes inserted into the charge. However, grap...
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Sheng Yan, Zhili Zou, Dong Wang and Zaijin You
The accurate determination of cross-shore longshore current profiles in the surf zone is essentially important in understanding of coastal physical processes and modelling of longshore sediment transport. In this study, a comprehensive laboratory study w...
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Qingtao Bu, Tongju Xing, Chengfeng Li, Jinhuan Zhao, Changling Liu, Zihao Wang, Wengao Zhao, Jiale Kang, Qingguo Meng and Gaowei Hu
Geophysical detection techniques are important methods in marine gas hydrate exploration and monitoring, because the small-scale distribution of hydrates has a large impact on the wave velocity. The acoustic response characteristics of hydrate micro-dist...
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Nikolay Kanev
Metasurfaces formed by monopole and dipole resonators are studied theoretically. The monopole resonators are Helmholtz resonators or membranes vibrating on the first eigenfrequency; the dipole ones are spheres on springs or membranes vibrating on the sec...
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