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Chunye Hu, Jialing Hao and Zhen Liu
Classical eddy viscosity model deviates from the actual mean current profiles, when calculating the mean current profiles over rippled-beds in the presence of non-breaking waves, owing to the neglect of the enhancement of the wave boundary layer thicknes...
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Hoyoung Kim and Vijay Harid
ELF/VLF magnetic fields is a promising tool for nondestructive testing of various conductive objects within shielded structures.
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Zhengxu Li, Dong-Sheng Jeng, Jian-Feng Zhu and Hongyi Zhao
Principal stress rotation (PSR) is an important feature for describing the stress status of marine sediments subject to cyclic loading. In this study, a one-way coupled numerical model that combines the fluid model (for wave?current interactions) and the...
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Shuang Han, Dong-Sheng Jeng and Chia-Cheng Tsai
Seabed instability surrounding an immersed tunnel is a vital engineering issue regarding the design and maintenance for submarine tunnel projects. In this study, a numerical model based on the local radial basis function collocation method (LRBFCM) is de...
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Sien Liu, Qinghua Ye, Shiqiang Wu and Marcel J. F. Stive
Wind induced hydrodynamic circulations play significant roles in the transport and mixing process of pollutants and nutrients in large shallow lakes, but they have been usually overlooked, while environmental, biological, and ecological aspects of eutrop...
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Silvestar ?esnic,Dragan Poljak
Pág. 137 - 143
The paper deals with an assessment of the influence of finite conductivity to the current induced along the horizontal grounding electrode. Analysis is performed in frequency and time domain, respectively. Current distribution along the grounding electro...
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B. S. Purwanto
Pág. pp. 58 - 68
Density current is a type of current that occurs when fluid flow enters a fluid body of different density. The density difference introduces stratification state that requires treatment in the parameterization of turbulence. Due to the geometric shape of...
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Tatyana Aksenovich and Vasiliy Selivanov
During geomagnetic storms, which are a result of solar wind?s interaction with the Earth?s magnetosphere, geomagnetically induced currents (GICs) begin to flow in the long, high-voltage electrical networks on the Earth?s surface. It causes a number of ne...
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Chong Sun, Wei Haur Lam, Ming Dai and Gerard Hamill
Scour induced by a Darrieus-type tidal current turbine was investigated by using a joint numerical and experimental method with emphasis on the scour process of a full-scale turbine. This work proposes a new numerical method to estimate turbine scour dev...
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Chencong Liao, Dongsheng Jeng, Zaibin Lin, Yakun Guo and Qi Zhang
The interaction between wave and offshore deposits is of great importance for the foundation design of marine installations. However, most previous investigations have been limited to connecting separated wave and seabed sub-models with an individual int...
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Chencong Liao, Dongsheng Jeng, Zaibin Lin, Yakun Guo and Qi Zhang
The interaction between wave and offshore deposits is of great importance for the foundation design of marine installations. However, most previous investigations have been limited to connecting separated wave and seabed sub-models with an individual int...
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Chencong Liao, Dongsheng Jeng, Zaibin Lin, Yakun Guo and Qi Zhang
The interaction between wave and offshore deposits is of great importance for the foundation design of marine installations. However, most previous investigations have been limited to connecting separated wave and seabed sub-models with an individual int...
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Bo Wu, Guangze Tang, Xiaoli Zhao, Liqin Wang and Le Gu
High-current pulsed electron beam (HCPEB) irradiation commonly induces crater-like cavities on irradiated surfaces, making them tribologically resemble textured ones. However, the effect of crater-like cavities on the lubricated tribological properties o...
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Safely starting a spinning position sensorless controlled permanent magnet synchronous machine is difficult because the current controller does not include information regarding the motor position and speed for suppressing the back-electromotive force (E...
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Zhipeng Li, Bonan Wang, Xianbin Wang, Chao Zhang and Xu Meng
A sensor for measuring the crankshaft angle of the main engine in ships is designed. Compared with the existing crankshaft angle encoder, this design?s advantage is that there is no need to add a gear system at the free end of the crankshaft, reducing ma...
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Chun-Hung Pao, Jia-Lin Chen, Shih-Feng Su, Yu-Ching Huang, Wen-Hsin Huang and Chien-Hung Kuo
The mechanisms that control estuarine sediment transport are complicated due to the interaction between riverine flows, tidal currents, waves, and wave-driven currents. In the past decade, severe seabed erosion and shoreline retreat along the sandy coast...
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Ayyuob Mahmoodi, Mir Ahmad Lashteh Neshaei, Abbas Mansouri and Mahmood Shafai Bejestan
The Nowshahr port in the southern coastlines of the Caspian Sea is among the oldest northern ports of Iran, first commissioned in the year 1939. In recent years, this port has been faced with severe sedimentation issues in and around its entrance that ha...
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Hsin-Hui Hu, Yan-Wei Zeng and Kun-Ming Chen
Polycrystalline silicon (poly-Si) thin film transistors (TFT) with a tri-gate fin-like structure and wide drain were designed and simulated to improve gate-induced drain leakage (GIDL), ON-state current, and breakdown voltage. The GIDL of fin-like TFTs (...
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Arnaud Héquette, Adrien Cartier and François G. Schmitt
Barred macrotidal beaches are affected by continuous horizontal displacements of different hydrodynamic zones associated with wave transformation (shoaling, breaker and surf zones) due to significant tide-induced water level changes. A series of wave and...
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Yuan Jiang, Yanju Ji, Yibing Yu, Shipeng Wang and Yuan Wang
For time domain transient electromagnetic measurement, the negative sign often appears in the polarization region, which contains the induced polarization information. It is considered that the polarization effect is caused by the capacitance charge of t...
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