Daoyi Chen
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View article: Hydrogen Production from Marine Renewable Energy: A Review
Hydrogen Production from Marine Renewable Energy: A Review Open
Hydrogen energy, with its high calorific value and zero carbon emissions, serves as a crucial solution for addressing global energy and environmental challenges while achieving carbon neutrality. The ocean offers abundant renewable energy …
View article: Does More Data Always Help? Input Configuration Impacts on LSTM-based Water Level Prediction
Does More Data Always Help? Input Configuration Impacts on LSTM-based Water Level Prediction Open
Floods are among the most devastating natural disasters, necessitating efficient early-warning systems. Machine-learning surrogates are now widely adopted for this task, yet increasing data volume is often assumed to improve machine-learni…
View article: Unraveling deep-learning detection of atmospheric Kármán vortex streets: dataset, baseline benchmarking, and optimization
Unraveling deep-learning detection of atmospheric Kármán vortex streets: dataset, baseline benchmarking, and optimization Open
Atmospheric Kármán vortex streets, which frequently emerge on the leeward side of isolated islands under specific atmospheric conditions, play a critical role in large-scale atmospheric dynamics. However, their automated detection and the …
View article: Identification of the Atmospheric Vortex Shedding Behind the Jeju Island Based on MODIS and ERA5 Data
Identification of the Atmospheric Vortex Shedding Behind the Jeju Island Based on MODIS and ERA5 Data Open
A fascinating phenomenon often occurs as pairs of vortices in two rows on the leeward of some islands. The satellite remote sensing has been a major facilitator to observe this phenomenon. In this study, we conduct a statistical analysis o…
View article: Enhancing Kármán Vortex Street Detection via Auxiliary Networks Incorporating Key Atmospheric Parameters
Enhancing Kármán Vortex Street Detection via Auxiliary Networks Incorporating Key Atmospheric Parameters Open
Kármán vortex streets are quintessential phenomena in fluid dynamics, manifested by the periodic shedding of vortices as airflow interacts with obstacles. The genesis and characteristics of these vortex structures are significantly influen…
View article: A Reanalysis Precipitation Integration Method Utilizing the Generalized Three-Cornered Hat Approach and High-Resolution, Gauge-Based Datasets
A Reanalysis Precipitation Integration Method Utilizing the Generalized Three-Cornered Hat Approach and High-Resolution, Gauge-Based Datasets Open
The development of high-precision, long-term, hourly-scale precipitation data is essential for understanding extreme precipitation events. Reanalysis systems are particularly promising for this type of research due to their long-term obser…
View article: The Nearshore Marine of ShenZhen Environmental Risk Assessment Method Based on the DPSIR Framework
The Nearshore Marine of ShenZhen Environmental Risk Assessment Method Based on the DPSIR Framework Open
The nearshore marine areas are the most intensely concentrated regions for human economic activities and serve as vital carriers for the development of the marine economy. Accurately assessing the environmental risks in these areas is of s…
View article: Shipbuilding 4.0: A Systematic Literature Review
Shipbuilding 4.0: A Systematic Literature Review Open
Existing research in the shipbuilding field tends to focus on isolated single aspects of Industry 4.0 (I4.0) without a full picture. To address this gap, this paper seeks to offer a thorough and in-depth examination of the concepts and tec…
View article: A parameterization scheme for the floating wind farm in a coupled atmosphere–wave model (COAWST v3.7)
A parameterization scheme for the floating wind farm in a coupled atmosphere–wave model (COAWST v3.7) Open
Coupling the Weather Research and Forecasting (WRF) model with wind farm parameterization can be effective in examining the performance of large-scale wind farms. However, the current scheme is not suitable for floating wind turbines. In t…
View article: Tensioned flexible riser vibrations under wave excitation, an investigation on the scale effect
Tensioned flexible riser vibrations under wave excitation, an investigation on the scale effect Open
In order to study the scale effect in wave-structure interactions and the role that structure-related parameters (tension T or bending stiffness EI ) plays, riser model tests under regular waves were conducted using the model with multiple…
View article: A Temperature Compensation Approach for Micro-Electro-Mechanical Systems Accelerometer Based on Gated Recurrent Unit–Attention and Robust Local Mean Decomposition–Sample Entropy–Time-Frequency Peak Filtering
A Temperature Compensation Approach for Micro-Electro-Mechanical Systems Accelerometer Based on Gated Recurrent Unit–Attention and Robust Local Mean Decomposition–Sample Entropy–Time-Frequency Peak Filtering Open
MEMS accelerometers are significantly impacted by temperature and noise, leading to a considerable compromise in their accuracy. In response to this challenge, we propose a parallel denoising and temperature compensation fusion algorithm f…
View article: A Novel Semi-Spar Floating Wind Turbine Platform Applied for Intermediate Water Depth
A Novel Semi-Spar Floating Wind Turbine Platform Applied for Intermediate Water Depth Open
For the exploitation of offshore wind resources in areas with intermediate water depths, a novel semi-spar floating foundation is introduced to combine the superiority of the conventional semisubmersible and spar-type floater. It consists …
View article: Significance of a Thermodynamic Promoter (1,3-dioxolane) Concentration in Promoting CO2 Hydrate: Implication for Hydrate-based CO2 Sequestration
Significance of a Thermodynamic Promoter (1,3-dioxolane) Concentration in Promoting CO2 Hydrate: Implication for Hydrate-based CO2 Sequestration Open
Carbon sequestration -is an important method to achieve carbon neutrality and resist climate change.Burying CO 2 in the depth of geological structure and solidifying it into hydrate is a promising carbon sequestration technology.The develo…
View article: Influences of pore fluid on gas production from hydrate-bearing reservoir by depressurization
Influences of pore fluid on gas production from hydrate-bearing reservoir by depressurization Open
In addition to the temperature and pressure conditions, the pore fluid composition and migration behavior are also crucial to control hydrate decomposition in the exploitation process. In this work, to investigate the effects of these fact…
View article: Corrigendum: The effect of variable stiffness of tuna-like fish body and fin on swimming performance (2021 Bioinsp. Biomim. 16 016003)
Corrigendum: The effect of variable stiffness of tuna-like fish body and fin on swimming performance (2021 Bioinsp. Biomim. 16 016003) Open
In Luo et al (2020), an error occurred in equation (1) for the variation pattern of Kbi.
View article: The effect of variable stiffness of tuna-like fish body and fin on swimming performance
The effect of variable stiffness of tuna-like fish body and fin on swimming performance Open
The work in this paper focuses on the examination of the effect of variable stiffness distributions on the kinematics and propulsion performance of a tuna-like swimmer. This is performed with the use of a recently developed fully coupled f…
View article: Methane–propane hydrate formation and memory effect study with a reaction kinetics model
Methane–propane hydrate formation and memory effect study with a reaction kinetics model Open
Although natural gas hydrates and hydrate exploration have been extensively studied for decades, the reaction kinetics and nucleation mechanism of hydrate formation is not fully understood. In its early stage, gas hydrate formation can be …
View article: Impact of Pore Geometry and Water Saturation on Gas Effective Diffusion Coefficient in Soil
Impact of Pore Geometry and Water Saturation on Gas Effective Diffusion Coefficient in Soil Open
Gas flow in soil plays a crucial role in terrestrial ecosystems, and numerical simulation of their movement needs to know their effective diffusion coefficients. How pore structure influences the effective diffusion coefficient has been st…
View article: The impact of the planetary β-effect on the tilting vertical structure ofa mesoscale eddy
The impact of the planetary β-effect on the tilting vertical structure ofa mesoscale eddy Open
Tilting mesoscale eddies in the South China Sea have been reported recently from observed field data. The mechanism of the dynamic process of the tilt, however, is not well understood. In this study, the influence of planetary β on the ver…
View article: Correlating Asphaltene Dimerization with Its Molecular Structure by Potential of Mean Force Calculation and Data Mining
Correlating Asphaltene Dimerization with Its Molecular Structure by Potential of Mean Force Calculation and Data Mining Open
Asphaltene aggregation affects the entire production chain of the petrochemical industry, which also poses environmental challenges for oil pollution remediation. The aggregation process has been investigated for decades, but it remains un…
View article: A modelling study of eddy-splitting by an island/seamount
A modelling study of eddy-splitting by an island/seamount Open
A mesoscale eddy's trajectory and its interaction with topography under the planetary β and nonlinear effects in the South China Sea are examined using the MIT General Circulation Model (MITgcm). Warm eddies propagate to the southwest whil…
View article: A study on some basic features of inertial oscillations and near-inertial internal waves
A study on some basic features of inertial oscillations and near-inertial internal waves Open
Some basic features of inertial oscillations and near-inertial internal waves are investigated by simulating a two-dimensional (x − z) rectangular basin (300 km × 60 m) driven by a wind pulse. For the homogeneous case, near-inertial motion…
View article: A study on some basic features of seiches, inertial oscillations and near-inertial internal waves
A study on some basic features of seiches, inertial oscillations and near-inertial internal waves Open
Some basic features of seiches, inertial oscillations and near-inertial internal waves are investigated by simulating a two-dimensional (x-z) shallow basin initialized by a wind pulse. Two cases with and without the vertical stratification…
View article: Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part I: Wind Speed Profile Model
Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part I: Wind Speed Profile Model Open
With the setting of wind energy harvesting moving from coastal waters to deep waters, the South China Sea has been deemed to offer great potential for the construction of floating wind farms thanks to the abundance of wind energy resources…
View article: Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part II: Wave Spectrum Model
Wind Profiles and Wave Spectra for Potential Wind Farms in South China Sea. Part II: Wave Spectrum Model Open
Along with the commercialization of offshore wind energy in China, the South China Sea has been identified as ideal for constructing offshore wind farms, especially for farms consisting of floating wind turbines over deep waters. Since the…
View article: A modelling study of eddy-splitting by an Island/Seamount
A modelling study of eddy-splitting by an Island/Seamount Open
A mesoscale eddy's trajectory and its interaction with topography under the planetary β and nonlinear effects in the South China Sea are examined using the MITgcm. Warm eddies propagate to the southwest while cold eddies propagate to the n…