Liang Dong
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View article: Exploring the impact of traditional cultural intensity and patient capital on sustainable green innovation in listed companies: A mediation and heterogeneity analysis
Exploring the impact of traditional cultural intensity and patient capital on sustainable green innovation in listed companies: A mediation and heterogeneity analysis Open
This study utilizes a dataset of listed companies in China's A-share market from 2011 to 2023 to empirically examine the intrinsic relationships among traditional culture intensity, patient capital, and firms' sustained green innovation. T…
View article: Torsional Vibration Suppression in Multi-Condition Electric Propulsion Systems Through Harmonic Current Modulation
Torsional Vibration Suppression in Multi-Condition Electric Propulsion Systems Through Harmonic Current Modulation Open
Electric helicopters represent a pivotal component in the advancement of urban air mobility (UAM), with considerable potential for future development. The electric propulsion system (EPS) is the core component of these systems. However, th…
View article: Optimisation of Spraying Parameters for Boom Sprayers
Optimisation of Spraying Parameters for Boom Sprayers Open
In order to investigate the influence of factors on the spray deposition of the spray bar sprayer, using the designed mobile spray bar spray device, the spray height, spray bar travelling speed and spray pressure were selected as the test …
View article: Correction: Self-powered, online, highly sensitive lubricating oil acidity monitoring driven by a triboelectric sensor
Correction: Self-powered, online, highly sensitive lubricating oil acidity monitoring driven by a triboelectric sensor Open
Correction for ‘Self-powered, online, highly sensitive lubricating oil acidity monitoring driven by a triboelectric sensor’ by Bin Ge et al. , J. Mater. Chem. A , 2025, https://doi.org/10.1039/D5TA00241A.
View article: Energy Loss and Noise Reduction of Centrifugal Pump Based on Bionic V-Groove Geometry
Energy Loss and Noise Reduction of Centrifugal Pump Based on Bionic V-Groove Geometry Open
The vortex shedding and shock generated inside the pump used in nuclear power plants during operation lead to energy loss and efficiency reduction, and the noise induced by the flow affects the system’s safety and reliability. The groove-t…
View article: Organic carbon burial and their implication on sea surface primary productivity in the middle Okinawa Trough over the past 200 ka
Organic carbon burial and their implication on sea surface primary productivity in the middle Okinawa Trough over the past 200 ka Open
The long-term burial of organic carbon in marginal seas plays a critical role in Earth’s carbon cycle and climate change. However, the mechanism of organic carbon (OC) burial in the Okinawa Trough (OT) during glacial-interglacial timescale…
View article: Optimization Research on the Space-V-Type Biomimetic Surface Grooves of a Marine Centrifugal Pump
Optimization Research on the Space-V-Type Biomimetic Surface Grooves of a Marine Centrifugal Pump Open
The biomimetic surface with Space-V grooves can effectively reduce flow resistance and noise. Our investigation was in order to further enhance the drag reduction and noise reduction performance of a marine centrifugal pump with Space-V-gr…
View article: Reactive iron as an important reservoir of marine organic carbon over geological timescales
Reactive iron as an important reservoir of marine organic carbon over geological timescales Open
Reactive iron (FeR) has been suggested to serve as a semi-persistent sink of organic carbon (OC) in surface marine sediments, where approximately 10-20% of total OC (TOC) is associated with FeR (FeR-OC). However, the persistence of FeR-OC …
View article: Design and Implementation of a Three-Dimensional CAD Graphics Support Platform for Pumps Based on Open CASCADE
Design and Implementation of a Three-Dimensional CAD Graphics Support Platform for Pumps Based on Open CASCADE Open
In the pump industry, designers commonly utilize mainstream three-dimensional computer-aided design (CAD) software (Unigraphics NX 12.0 and SolidWorks 2023). However, these CAD packages are generic and not optimized for the specific requir…
View article: Study on the stall vortex and vibration characteristics in multi-stage pump under natural flow condition
Study on the stall vortex and vibration characteristics in multi-stage pump under natural flow condition Open
When a vessel reaches a specific speed, the circulating pump in the cooling system stops driving. It relies only on the kinetic energy its speed generates to provide cooling seawater for the condenser. This cooling strategy is known as nat…
View article: Risk Assessment and Reliability Analysis of Oil Pump Unit Based on D-S Evidence Theory
Risk Assessment and Reliability Analysis of Oil Pump Unit Based on D-S Evidence Theory Open
Oil pumps are crucial equipment in pipeline transportation, and their safe and reliable operation is essential for the smooth and efficient operation of the oil station and associated pipelines. The failure of oil pumps can result in signi…
View article: Research on Multi-Fault Identification of Marine Vertical Centrifugal Pump Based on Multi-Domain Characteristic Parameters
Research on Multi-Fault Identification of Marine Vertical Centrifugal Pump Based on Multi-Domain Characteristic Parameters Open
The marine vertical centrifugal pump is an important piece of auxiliary equipment for ships. Due to the complex operating conditions of marine equipment and the frequent swaying of the hull, typical pump failures such as rotor misalignment…
View article: Analysis of the Sound Field Characteristics of a Muffler at Different Flow Conditions
Analysis of the Sound Field Characteristics of a Muffler at Different Flow Conditions Open
To reduce the noise in a pump piping system and increase the usage time of equipment, a new type of porous muffler is proposed in this paper. A water guide cone is incorporated into the muffler structure, which may help to redirect the flu…
View article: Structural Optimization of a Muffler for a Marine Pumping System Based on Numerical Calculation
Structural Optimization of a Muffler for a Marine Pumping System Based on Numerical Calculation Open
In order to eliminate the noise in the pumping system and prolong the service life of the equipment, an optimization design method for a muffler structure is proposed. The inside of the muffler is designed with a water guide cone which pla…
View article: Experimental Study of a Gas-Liquid-Solid Three-Phase Flow in an Aeration Tank Driven by an Inverted Umbrella Aerator
Experimental Study of a Gas-Liquid-Solid Three-Phase Flow in an Aeration Tank Driven by an Inverted Umbrella Aerator Open
The three-phase flow in a aeration tank driven by an inverted umbrella aerator is relatively complex, including the processes of the hydraulic jump, air entrainment, and sludge particle sedimentation. A three-phase flow test bench for an i…
View article: Noise spectrum characteristics of marine pump units induced by different excitation sources
Noise spectrum characteristics of marine pump units induced by different excitation sources Open
To study the noise spectrum characteristics of marine pump units induced by different excitation sources, a computational aeroacoustic (CAA) model of the internal and external field noise of a marine pump was established. The coupled acous…
View article: Rotor Profile Design and Motion Simulation Analysis of Hydrogen Circulating Pump
Rotor Profile Design and Motion Simulation Analysis of Hydrogen Circulating Pump Open
With the development of automotive fuel cells towards high power and high efficiency, higher requirements are put forward for the speed and boost ratio of hydrogen circulation pump, while high speed and boost ratio increase the pulsation c…
View article: Experimental study of underwater vehicle’s dissolved gas wake
Experimental study of underwater vehicle’s dissolved gas wake Open
In order to maintain the internal environment, underwater vehicles continue to emit carbon dioxide. Carbon dioxide dissolves in water to form dissolved carbon dioxide wake characteristics. Based on a self-designed and built experimental be…
View article: Study on Vibration Characteristics of Marine Centrifugal Pump Unit Excited by Different Excitation Sources
Study on Vibration Characteristics of Marine Centrifugal Pump Unit Excited by Different Excitation Sources Open
In order to study the vibration mechanism of a marine centrifugal pump unit and explore the contribution of vibration caused by different vibration excitation sources, a marine centrifugal pump with a specific speed of 66.7 was used for re…
View article: Collaborative improvement of efficiency and noise of bionic vane centrifugal pump based on multi-objective optimization
Collaborative improvement of efficiency and noise of bionic vane centrifugal pump based on multi-objective optimization Open
The hydraulic and acoustic performance of centrifugal pump is closely related to hydraulic structure parameters, and they are contradictory. In order to solve this contradiction, this paper introduces the pit bionic structure, and proposes…
View article: Analysis of the Influence of Different Bionic Structures on the Noise Reduction Performance of the Centrifugal Pump
Analysis of the Influence of Different Bionic Structures on the Noise Reduction Performance of the Centrifugal Pump Open
The strong noise generated during the operation of the centrifugal pump harms the pump group and people. In order to decrease the noise of the centrifugal pump, a specific speed of 117.3 of the centrifugal pump is chosen as a research obje…
View article: Experimental Study on Aeration Performance and Bubble Characteristics of Inverted Umbrella Aerator
Experimental Study on Aeration Performance and Bubble Characteristics of Inverted Umbrella Aerator Open
In order to understand the aeration performance of inverted umbrella aerator and bubble characteristics in aeration tank under different conditions, and to reveal the internal relationship between bubble characteristics and aeration perfor…
View article: Cavitation Status Recognition Method of Centrifugal Pump Based on Multi-Pointand Multi-Resolution Analysis
Cavitation Status Recognition Method of Centrifugal Pump Based on Multi-Pointand Multi-Resolution Analysis Open
Cavitation monitoring is particularly important for pump efficiency and stability. It is easy to misjudge cavitation by using a given threshold of a single eigenvalue. In this work, based on the vibration signal, a method for multi-resolut…
View article: Research and Application of Filtering Grid Scale in Detached Eddy Simulation Model
Research and Application of Filtering Grid Scale in Detached Eddy Simulation Model Open
The existing definition method of filter grid scale in a Detached Eddy Simulation (DES) hybrid model is unreasonable, which will lead to the unreasonable trigger of a boundary layer large eddy simulation and reduce computational efficiency…
View article: Numerical simulation of the gas–liquid two-phase flow in aeration tank based on different multiphase models
Numerical simulation of the gas–liquid two-phase flow in aeration tank based on different multiphase models Open
In this paper, the Eulerian model and Mixture model are used to study the free surface, internal flow and mass transfer in the aeration tank. The two multiphase models affect the liquid velocity, internal flow and oxygen mass transfer coef…
View article: Study of underwater vehicle’s bubbly wake caused by side exhausting
Study of underwater vehicle’s bubbly wake caused by side exhausting Open
The bubbly wake characteristics of the underwater vehicle are the basic of wake homing techniques. The bubbly wake of the underwater vehicle caused by the side exhausting is simulated based on the Mixture model and the Multiple Reference F…
View article: Surface Mesh Generation in Parametric Space Using a Riemannian Surface Definition
Surface Mesh Generation in Parametric Space Using a Riemannian Surface Definition Open
In order to solve the problem of generating distortion elements in the mapping from parameter space to real space, and the boundary coincidence of the mesh generated by the software quality, an approach for parametric surface mesh generati…
View article: Experimental Study and Numerical Simulation of Gas–Liquid Two-Phase Flow in Aeration Tank Based on CFD-PBM Coupled Model
Experimental Study and Numerical Simulation of Gas–Liquid Two-Phase Flow in Aeration Tank Based on CFD-PBM Coupled Model Open
Gas–liquid two-phase flow directly determines the efficiency and stability of the aeration tank. In this paper, a gas–liquid two-phase testbed is built to explore the aeration performance and internal flow in an aeration tank, including an…
View article: Study and Verification of Large-Scale Parallel Mesh Generation Algorithm for Centrifugal Pump
Study and Verification of Large-Scale Parallel Mesh Generation Algorithm for Centrifugal Pump Open
In order to reveal the details of the internal flow in a centrifugal pump, a large-scale mesh is needed. However, the mesh generated by the serial grid algorithm cannot meet the calculation requirements due to the huge amount of time. A la…