A5082964871- Surface Modification and Superhydrophobicity
- Fluid Dynamics and Turbulent Flows
- Adhesion, Friction, and Surface Interactions
- Icing and De-icing Technologies
- Advanced Sensor and Energy Harvesting Materials
- Advanced machining processes and optimization
- Fluid Dynamics and Vibration Analysis
- Hydrology and Sediment Transport Processes
- Microfluidic and Bio-sensing Technologies
- Advanced Measurement and Metrology Techniques
- Electrohydrodynamics and Fluid Dynamics
- Advanced Numerical Analysis Techniques
- Aerogels and thermal insulation
- Advanced Surface Polishing Techniques
- Fluid Dynamics and Heat Transfer
- Tribology and Lubrication Engineering
- Marine Biology and Environmental Chemistry
- Aerodynamics and Fluid Dynamics Research
- Silicone and Siloxane Chemistry
- Microfluidic and Capillary Electrophoresis Applications
- Mechanical stress and fatigue analysis
- Particle Dynamics in Fluid Flows
- Biomimetic flight and propulsion mechanisms
- Gear and Bearing Dynamics Analysis
- Welding Techniques and Residual Stresses
Jiangsu University of Science and Technology
2017-2025
Zhanjiang Experimental Station
2021
Xuchang University
2014
After a long period of biological evolution, natural creatures will inevitably evolve body surfaces suitable for the living environment. The functions are abundant and powerful, including antiadhesion, self‐cleaning, drag reduction, anti‐icing, wear resistance, other characteristics. In context coping with energy crisis, inspired by surface microstructures, researchers explore biomimetic microstructures that reduce fluid investigate mechanisms reduction. Herein, mainly current state research...
The anti-icing and drag-reduction properties of diverse microstructured surfaces have undergone extensive study over the past decade. Nonetheless, tough environments enforce stringent demands on composite characteristics superhydrophobic (SHS). In this study, fresh structures were fabricated a metal substrate by nanosecond laser machining technology, drawing inspiration from hardy plant Iridaceae. prepared sample surface mainly consists periodic microrhombus array irregular nanosheets. To...
Abstract Utilizing ubiquitous fog to engineer a dual‐function device that integrates harvesting and hydro‐to‐electricity conversion, thereby overcoming geographical hydrological constraints, provides an opportunity promote sustainable freshwater electricity supply. However, inefficiency remains the key challenge advancement of energy development practical applications. Herein, bio‐inspired (BDFD) integrating efficient solid‐liquid triboelectricity nanogenerator is developed. Specifically,...
Abstract Superhydrophobic surfaces (SHS) for underwater drag reduction draw more and attention owing to its promising wide applications such as vehicles, pipeline oil transportation, aquaculture. However, the properties are inextricably linked stability of air layer on SHS. This review highlights recent advances regarding SHS in past three years. First, fundamental theories briefly described. Next, crucial influencing factors, which include dimension arrangement particles, layout, shape...
The self-healing superhydrophobic surfaces have attracted great interest owing to restoring superhydrophobicity without preparation crafts. However, the surface still faces dilemma of long repairing time. Especially in aqueous environments, are highly susceptible contamination and damage. In current study, a with ultrafast repairability was developed, which apply for drag reduction medium. prepared can recover only 30 s after severe physical chemical addition, this research pioneered...
Inspired by the drag-reducing properties of cone-like spines and elastic layer covering pufferfish skin, important efforts are underway to establish rational multiple strategies for development new marine engineering materials. In present work, a surface (CPES) covered conical protrusions (sparse "k-type" with rough height k+ = 13–15) an constructed on copper substrate via hybrid method, combining sintering coating processes. The feature prepared CPES biomimetic is achieved rheometer...
Abstract The effective reduction of seawater drag is pivotal in enhancing the speed and minimizing energy consumption submarines, which has significant implications fields defense. Surface bionics emerged as one leading techniques for reduction. Current research primarily focuses on replicating groove-like structures observed shark skins flexible properties dolphin skins. However, application cone microstructures submarine surfaces remains relatively underexplored. In this study, a novel...
Most species of fish are covered with mucus, which provides the effect reduction in swimming drag. In this paper, three concentrations puffer epidermal mucus were obtained from mucosa puffer. The rheological properties and drag performance characterized via a rheometer experimental numerical simulation method. relationship between was analyzed discussed, mechanism further explored. results showed that best rate 6.2% when inflow velocity concentration 0.1 m/s 18.2 g/L, respectively....
Pufferfish is known for its extension of tiny spine-covered skin that appears to increase drag and may act as turbulisors, reducing overall while serving a protective function. Therefore, the present study addresses neglected aspect how spines affect turbulent boundary layer (TBL) reduction in pufferfish skin. Particle image velocimetry (PIV) was utilized investigate TBL structure on biomimetic protrusion samples inspired by back pufferfish. The comparison two sparse "k-type" arrangements...
In order to study the biomechanical properties of puffer skin, dorsal and abdominal skin was cut horizontally lengthways. The mechanical parameters quasi static axial tension, relaxation creep were measured under low strain rate. Mooney-Rivlin Zener equations used construct tensile constitutive relations respectively. correlation coefficient fitting results is more than 99%. show that depend on its location direction, showing typical characteristics viscoelasticity, nonlinearity anisotropy...
In nature, many species commonly evolve specific functional surfaces to withstand harsh external environments. particular, structured wettability of has attracted tremendous interest due its great potential in antifogging and anti-icing properties. Phyllostachys Viridis is a resistant low-temperature (−18 °C) plant with superhydrophobicity ice resistivity behaviors. this work, inspiration from the representative cold-tolerant plants leaves, unique multilevel micronano (MLMN) surface was...
In this paper, a superhydrophobic biomimetic composite coating was fabricated on brass by electrochemical etching, brushing PDMS adhesive layer, and depositing carbon soot particles. Due to the microstructure optimized ratio of PDMS, contact angle is up 164° sliding only 5°. The results optical microscopy morphometric laser confocal show that prepared surface has rough hierarchical structure. A high-speed digital camera recorded droplet bouncing process coating. self-cleaning property...
In order to improve the anti-fouling of stainless steel surfaces in outdoor or humid environments, a superhydrophobic modification is often used its self-cleaning performance. However, mechanical stability remains challenge. this paper, two-step preparation method was adopted prepare micro–nanocomposite coating, which innovatively combined “top-down” and “bottom-up” approaches, also coupled together two key factors that affect superhydrophobicity: rough microstructure, low surface energy....
Given the challenges in accurately replicating surface of pufferfish, this study employed three-dimensional (3D) printing to create a model based on inverse modeling. The morphology pufferfish exhibits streamlined configuration, characterized by gradual widening from anterior oral region central ocular area, followed progressive narrowing midabdominal toward caudal extremity. RNG k-ε turbulence simulation results demonstrate that body diminishes differential pressure resistance. This...