A5100351566- Gear and Bearing Dynamics Analysis
- Tribology and Lubrication Engineering
- Mechanical Engineering and Vibrations Research
- Heat Transfer and Boiling Studies
- Aerospace Engineering and Energy Systems
- Iterative Learning Control Systems
- Evolution and Genetic Dynamics
- Mechanical stress and fatigue analysis
- Spacecraft Dynamics and Control
- Spacecraft and Cryogenic Technologies
- Metallurgy and Material Forming
- Evolutionary Game Theory and Cooperation
- Geothermal Energy Systems and Applications
- Fluorine in Organic Chemistry
- Power Line Inspection Robots
- Catalytic C–H Functionalization Methods
- Evaluation Methods in Various Fields
- Mechatronics Education and Applications
- Advanced Photocatalysis Techniques
- Hydraulic and Pneumatic Systems
- Aerodynamics and Fluid Dynamics Research
- Advanced machining processes and optimization
- Rocket and propulsion systems research
- Evolutionary Psychology and Human Behavior
- High-Voltage Power Transmission Systems
Anhui University of Technology
2025
Guangzhou Institute of Energy Conversion
2024
Fudan University
2024
Yangzhou University
2024
Shandong University of Science and Technology
2020-2024
University of Chinese Academy of Sciences
2024
Chinese Academy of Sciences
2024
Northwestern Polytechnical University
2018-2023
Shanghai University of Electric Power
2022-2023
Northwestern Polytechnic University
2022
With the development of gear dynamics towards refinement and systematization, various nonlinear factors are introduced, which leads to contradiction between computational efficiency requirements. It is necessary find a method that can reduce number degrees freedom improve efficiency. Therefore, this paper proposes proper orthogonal decomposition (POD) dimension reduction for high-dimensional system dynamic model, solution accuracy Firstly, coupled model power split helical transmission...
The power six-branch herringbone gear transmission system has the advantages of large and ratio. Because its multi-way over-constraint structure, to prevent loaded tooth interference, there are backlashes between teeth. shows complex nonlinear dynamic characteristics under influence backlashes, which seriously affects meshing performance. modification technology can effectively improve Hence, on basis optimizing performance active pair system, this article will combine 3D with vibration...
The incorporation of aromatic difluoromethyl motifs has proven to be a fruitful strategy for enhancing the therapeutic profiles modern pharmaceutical candidates. While defluorofunctionalization trifluoromethylarenes offers promising pathway towards diverse compounds, current methods are predominantly limited two-component reactions. Multicomponent cascade reactions (MCRs) involving transient radical still uncommon and highly sought after owing their capacity rapidly generate challenging...
The numerical calculation model for the aero-acoustic analysis of a tilt rotor was established by combining free wake method and FW-H (Ffowcs Williams-Hawkings) equation. validated using rotor′s test results. characteristics dual rotors that take into account force moment trim an aircraft in its typical transition path were calculated. unsteady air load blade noise data different observational positions acquired. acoustic directivity sound pressure level angles analysed. results show that:...
Abstract Herringbone gear transmission system is widely used in high-speed overloaded fields such as ships. Tooth deformation and installation error, which can cause meshing impact, load mutation, uneven, will seriously affect dynamic performance of the whole system. Modification technology most effective way to achieve damping noise reduction. In this article, we propose a three-dimensional (3D) modified tooth surface by grinding wheel along axial spiral rise radial parabolic movement based...
The 3D modification is an advanced technology that comprehensively considers tooth profile and axial to reduce vibration noise. Therefore, this paper combines with contact characteristics dynamic properties study the influence of on performance a herringbone gear system. This employs parabolic instead cutter's straight achieve 3D-modified surface deduces equation. Then, analysis (TCA) loaded (LTCA) are used simulate meshing process teeth. And model system under three internal excitations...
With the continuous development of high-speed and high-power gear transmission technology, as well new demand for vibration noise reduction in heavy-duty systems fields such aviation navigation, herringbone branch system is subject to higher requirements terms its dynamic characteristics. Therefore, it necessary conduct research on characteristics high-torque systems. Based lumped parameter method, a bending-torsion coupling model established, calculation method load-sharing coefficients...
The vibration and noise of marine power systems mainly comes from gearbox in addition to engine, while is caused by internal excitation gear transmission system (GTS) transmitted ship hull through the box. This paper proposes a reduction method 3D modification controlling strength source constrained damping structure restraining energy. For herringbone gear,The form tooth surface combining with two parabolas one straight line proposed modified equation derived based on principle forming...
Traditional flight simulation models often operate on the premise of a steady atmosphere, overlooking complexities actual atmospheric dynamics and safety risks posed by wind disturbances, such as turbulence. To Address this oversight, present study introduces method for generating three-dimensional turbulence based spatial correlation functions. This method, rigorously validated against spectral benchmarks, guarantees isotropic properties in synthesized fields. Through interpolation...
The incorporation of aromatic difluoromethyl motifs has proven to be a fruitful strategy for enhancing the therapeutic profiles modern pharmaceutical candidates. While defluorofunctionalization trifluoromethylarenes offers promising pathway toward diverse compounds, current methods are predominantly limited two-component reactions. Multicomponent cascade reactions (MCRs) involving transient radical still uncommon and highly sought after, owing their capacity rapidly generate challenging...
Compared with traditional gear transmission, the multi-branch split-torsion transmission system has advantages of large power, small size and high reliability, so it is more used in high-speed heavy load occasions such as ships aircraft. Since split torsional gears belongs to over-constrained configuration, necessary meet strict tooth matching condition design process order realize correct synchronous meshing each branch, which great significance ensure its uniform installation motion...