A5079864282- Gear and Bearing Dynamics Analysis
- Advanced Measurement and Metrology Techniques
- Tribology and Lubrication Engineering
- Advanced machining processes and optimization
- Particle Dynamics in Fluid Flows
- Turbomachinery Performance and Optimization
- Advanced Numerical Analysis Techniques
- Fluid Dynamics and Turbulent Flows
- High-Temperature Coating Behaviors
- Engineering Structural Analysis Methods
- Iterative Learning Control Systems
- Mechanical stress and fatigue analysis
- Electrodeposition and Electroless Coatings
- 3D Shape Modeling and Analysis
- Metallurgy and Material Forming
- High Entropy Alloys Studies
- Additive Manufacturing Materials and Processes
- Fuel Cells and Related Materials
- Industrial Technology and Control Systems
- Computational Fluid Dynamics and Aerodynamics
- Fluid Dynamics and Heat Transfer
- Advanced Aircraft Design and Technologies
- Advanced Sensor Technologies Research
- Advanced Battery Technologies Research
- Vibration and Dynamic Analysis
Yanshan University
2018-2025
Civil Aviation University of China
2015-2024
Beijing University of Technology
2011-2024
Wuyi University
2023
Guilin University of Electronic Technology
2022
Shenzhen University
2019-2021
Guizhou Electric Power Design and Research Institute
2019
China Aerospace Science and Industry Corporation (China)
2017
Shanghai University
2013
Heritage Christian University
2008
To address the critical challenge of high energy consumption in single-source electric vehicles, this study proposes a hybrid storage system (HESS)-integrated management strategy (EMS). Firstly, car-following and HESS models are constructed. Secondly, multi-objective optimization framework balancing adaptive cruise control (ACC) optimal tracking quality economy is developed, where fast, non-dominated sorting genetic algorithm (NSGA-II) resolves dynamic power demands. Thirdly, third-order...
Gear transmission errors are influenced by temperature especially in the aerospace field. A model is proposed to investigate influence of on cylindrical gear based thermal network (TETN). The field distribution established method, and deformation can be calculated along meshing line. Regarding single-flank rolling process, variation under determined. In numerical calculations MATLAB, at 100°C compared 20°C –4.20 μm, which decreases almost linearly while expansion coefficient material...
Aero-engine fouling will affect the economy and safety of aircraft, online washing is main method to solve problem aero-engine fouling. Online considered be removal particles by impingement droplets on a flowing liquid film. Here, we simulate film impinging randomly rough surface predict particles. We situation that horizontal flow velocity between 5 20 m/s thickness 5–20 μm. An analysis droplet impact field, radial velocity, extension length shows vortex strength, all increase with...
Advanced oxidation processes using TiO2-based nanomaterials are sustainable technologies that hold great promise for the degradation of many types pollutants including pharmaceutical residues. A wide variety heterostructures coupling TiO2 with visible-light active have been explored to shift its photocatalytic properties harness sun irradiation but a systematic comparison between them is lacking in current literature. Furthermore, high number proposed nanostructures different size,...
This study presents a new technique for typhoon observations that is based on dropsondes launched by long-distance rockets instead of research aircraft. technology was developed Shanghai Typhoon Institute China Meteorological Administration in collaboration with Aerospace Science and Industry Corporation the past three years. On October 3, 2015, this meteorological rocket successfully first time into an offshore strong (Mujigae, 2015) located east Hainan Island. Four were subsequently...
The failures of high-voltage transformers and reactors can result from the deposition copper sulfide on oil-impregnated paper insulation. This study explored influence electric fields properties insulating oils as a reaction dibenzyl disulfide (DBDS) with in oil-immersed transformers. Accelerated aging experiments were conducted for pig-tail windings under two sets conditions, namely, thermal only at 140 °C AC/DC electrical 5 kV/140 low oxygen condition. was combined oil containing added to...
Remanufacturing of damaged blades has been widely discussed in the field related with aero maintenance. Cross-section curve is key factor for rebuilding 3D airfoil a blade. This paper focuses on how to reconstruct cross-section curves tip-defective The difficulty reconstruction broken region, where some data points are absent. In this paper, method reconstructing small-scale region blade tip proposed. involves noncontact digitization, methodology obtaining plane, unbroken and deduction...
Thermal barrier coatings (TBCs) is one of the main key technology for high-pressure turbine blades which are components high-performance aerospace engines. It offers protection underline metallic from corrosion, oxidation and localized melting by insulating metal hot gases in engine core. The properties lifetime TBCs greatly influenced preparation technology, includes plasma spraying (PS), physical vapor deposition (PVD) laser re-melting (LM). In this paper, three technologies used to...
To better control the Inconel617 electron beam cladding solidification process, a three-dimensional temperature field model was built to simulate gradient, cooling rate, and rate in process take deep dive into behavior, as well calculation of characteristic parameters at edge molten pool then predict tissue structure. The study shows that largest gradient occurred material thickness direction. self-cooling effect dominated alloy layer; depended on high-temperature thermal conductivity...
Blades are key components in aircraft engines, and flight safety is directly impacted by the repair quality of blades. Digital modeling for surfaces high pressure blades conducted this study based on cloud data collected with scan. Boundary points obtained method varied step lengths according to curvature, then envelope curves plotted from approximation these boundary a third power B spline. 3-D digital models aero-engines established condensed cloud. Results illustrate smoothness accuracy...
The repair of damaged aero-engine blades has an extremely high economic value. Due to the complexity blade surface and various kinds deformation during lifetime, positioning in process always been one key problems aviation industry. In this study, a method self-adaptive based on speckle vision measurement is proposed. Firstly, system established measure speckles coated obtain its point cloud. Meanwhile, coordinates reference points fixture are obtained build relative pose model between...
High-speed inspection of individual deviations (profile, helix, pitch) in mass-produced gear workshops is a problem. This paper introduces the measuring principle pitch evaluated through double-flank rolling test for fast workshops, during which displacement rack probe radial & tangential direction measured when work-piece meshing with double-flank.
In this paper, through the establishment of model between outer insulation discharge and shielding layer cable sheath, analyzes emergence development process discharge, electric field simulation eccentricity buffer dielectric constant changes distribution metal sheath insulating are summarized.
Generally the profile deviations are measured through generating method, coordinate method and meshing by using gear measuring instruments (GMI) machines (CMM) in metrology room. But high-speed inspection of at industrial scale manufacturing is a problem. To solve this problem, novel measurement principle based on double-flank rolling test with rack probe introduced paper, also system was given. The new methods will meet demands shop floor.
Radial composite deviations can be assessed by the traditional double-flank gear rolling tester, but it is hard to obtain tangential (helix, taper, etc.) of produced gear. To solve this problem, a measuring principle test with many degrees freedom was investigated in order inspect radial and during one inspection. This paper presents model, definition evaluation method, including helical slope deviation taper deviation. An In-line Gear Measuring Machine (GMM) developed based on meet demand...
Most of the leakage faults in hydraulic pipeline systems occur pipe joint. The research on high-pressure sealing and reliability joint is very important application civil aircraft parts. On basis studying characteristics pressure pulsating fluid, this paper explores influence a high fluid performance flameless extruded joints analyzes internal amplitude under different pressures contact stress distribution surface results show that with increase flow pulsation from 0.5% to 5%, decreases...