A5068839951- Smart Grid and Power Systems
- Composite Structure Analysis and Optimization
- Topology Optimization in Engineering
- Methane Hydrates and Related Phenomena
- Aeroelasticity and Vibration Control
- Asphalt Pavement Performance Evaluation
- Electromagnetic Launch and Propulsion Technology
- Geological and Geophysical Studies
- Robotic Mechanisms and Dynamics
- Mechanical Engineering and Vibrations Research
- Power Systems and Technologies
- Hydrocarbon exploration and reservoir analysis
- Simulation and Modeling Applications
- Structural Load-Bearing Analysis
- Advanced Computational Techniques and Applications
- High-Voltage Power Transmission Systems
- Advanced Aircraft Design and Technologies
- Power System Reliability and Maintenance
- Superconducting Materials and Applications
- Particle accelerators and beam dynamics
- Dark Matter and Cosmic Phenomena
- Power Systems and Renewable Energy
- Ionosphere and magnetosphere dynamics
- Advanced Multi-Objective Optimization Algorithms
- Particle Detector Development and Performance
Northwestern Polytechnic University
2025
Southwest Petroleum University
2025
China Southern Power Grid (China)
2022-2023
Chinese Academy of Sciences
2011-2022
Delft University of Technology
2021-2022
Eindhoven University of Technology
2020-2021
Chongqing University
2008-2021
Jilin University
2021
Nanjing Agricultural University
2021
Research Institute of Highway
2012-2019
The precipitation kinetics of $\gamma'$ particles in solid-state has long been a topic scientific and industrial interest due to their significant impact on the mechanical properties Ni-based superalloys. Although numerous studies over past decades have sought understand coarsening mechanism precipitates, there remains long-standing debate regarding dominant mass transport mechanism-whether it is interface-controlled or matrix diffusion-controlled. challenge that analytical theories are only...
Abstract The measurement of cosmic rays at energies exceeding 100 TeV per nucleon is crucial for enhancing the understanding high-energy particle propagation and acceleration models in Galaxy. HERD a space-borne calorimetric experiment that aims to extend current direct measurements unexplored energies, such as protons one PeV. payload scheduled be installed on Chinese Space Station 2027. primary peculiarity instrument its capability measure particles coming from all directions, with main...
Metal pipelines, when subjected to prolonged service in complex working envi-ronments, are highly susceptible defects such as corrosion and cracks, which pose significant threats the safe operation of pipeline systems. Pulsed eddy current testing (PECT), an emerging non-destructive method, offers notable advantages including rapid detection speed, high sensitivity, strong re-liability, non-contact inspection, demonstrating broad application pro-spects field metal defect detection. This...
Asphalt mixture with Mafilon (abbreviated as MFL) is an automatic long-term snowmelt asphalt mixture, which replaces fine minerals and helps in the deicing process. To validate performance of MFL content, some indoor tests were conducted. We investigated field capacity compared several mixtures different contents. The results showed following: (1) Under same gradation, displayed better anti-rutting performance, content only slightly affected low-temperature mixture; (2) moisture stability...
Abstract The measurement of cosmic-ray individual spectra provides unique information regarding the origin and propagation astro-particles. Due to limited acceptance current space experiments, protons nuclei around “knee” region (∼ 1 PeV) can only be observed by ground based experiments. Thanks an innovative design, High Energy cosmic-Radiation Detection (HERD) facility will allow direct observation up this energy region: instrument is mainly on a 3D segmented, isotropic homogeneous...
Gas hydrate samples were obtained firstly in China by drilling on the northern margin of South Sea (SCS). To understand formation mechanism this unique accumulation system, paper discusses factors controlling system accurate geophysical interpretation and geological analysis, based high precision 2-D 3-D multichannel seismic data area. There are three key gas fine grain sediment: (1) large volume fluid bearing methane Joins hydrate. Active flow makes both thermal and/or biogenic migrate into...
Due to the increasing integration of photovoltaic-based distributed generators (PV-DGs), uncertainties resulted from both PV-DG power and loads have posed a serious challenge in microgrid day-ahead scheduling operation. In this study, effect on is assessed. Specifically, correlation between load taken into account as closer reality. The probabilistic optimal flow (P-OPF) model formulated analyse impact correlated uncertainties. A modified Harr's two-point estimation method (MH-2PEM)...
Abstract This work presents a new aeroelastic optimisation framework for the preliminary design of variable stiffness composite wing structures. The is constructed by sequentially and iteratively solving two sub-problems: tailoring lay-up retrieval, using gradient-based algorithms with full-analytical sensitivities provided. During tailoring, mass minimised optimising lamination parameters thickness laminates together jig twist distribution. load cases cover not only static loads, but also...
To meet the high reliability requirement under complicated environment and overcome disadvantages of parallel structure six-component force sensor with traditional spherical pairs, design concepts fault-tolerance fully prestressing are proposed to sensor. A kind fault-tolerant prestressed using modified pairs is proposed. The structural characteristics sensors analyzed in comparison Stewart platform-based complete mathematic model including models without signal fault established screw...
Abstract Mass transport deposits (MTDs) are one kind of deepwater sedimentary systems driven by the gravity flow action, and play an important role for deep‐water sedimentation in global continental margins. MTDs not only most serious geo‐hazards, but also have close relationship with formation accumulation marine gas hydrates hydrocarbon. Based on topographic high resolution seismic data hydrocarbon exploration region, we identified characteristics distribution northern slope South China...
View Video Presentation: https://doi.org/10.2514/6.2022-3934.vid This paper presents the collaborative model-based design of a business jet family. In family design, trade-off is made between aircraft performance, reducing fuel burn, and commonality, manufacturing costs. The designed using Model-Based Systems Engineering (MBSE) methods developed in AGILE 4.0 project. EC-funded project extends scope preliminary process to also include systems engineering phases new domains like manufacturing,...
Abstract A coupled topology and domain shape optimization framework is presented that based on incorporating the design variables of in Solid Isotropic Material with Penalization method. The are incrementally updated a sequential fashion, using staggered numerical update scheme. Non-Uniform Rational B-Splines employed to parameterize domain. This not only guarantees highly accurate description boundaries by means smooth basis functions compact support, but also enables an efficient control...
Along with the rapid development of science and technology, power electronic technology has developed rapidly. Especially in recent years, application can be seen many fields. In smart grid information, digitization, automation interaction as goal, electronics become one key technologies, is an important technical means to build grid. Reasonable efficient use effectively improve security, stability economic operation level grid, greatly transportation support. This article through used carry...
Abstract A sequentially coupled shape and topology optimization framework is presented in which the outer geometry internal topological layout of beam-type structures are optimized simultaneously. The parametrically described by non-uniform rational B-splines (NURBS), guarantees a highly accurate description structural enable an efficient control design domain with only few points. computational efficiency approach assured applying gradient-based algorithm, for sensitivities derived closed...
With the development goal of a low-cost and low-carbon reserve market, this paper proposes dynamic assessment method for day-ahead consumption service demand considering forecast error uncertainty power. The iterative self-organizing data analysis techniques algorithm is adopted to cluster historical actual power into typical scenarios. In addition, online matching between scenario conducted. order realize hierarchical quantification demand, resources in whole system are classified according...
This contribution compares the performance of a monolithic and two staggered numerical update schemes for coupled shape topology optimization method thin-walled beam structures. In order to limit computational time method, structures are modeled as 2.5D configurations. this approach, 1D elements used simulate response in longitudinal direction, while cross-sectional properties calculated from additional 2D finite element analyses. The sensitivities with respect design variables derived...
The vibration characteristics of gear system have a significant influence on mechanical capacity and durable life vertical mill reducer.In order to improve the performance reducer, this paper present research inherent characteristic dynamic response reducer.First all, finite element model coupled gear-rotor-bearing-housing reducer is established including internal excitation.Then, natural frequencies modes are worked out by mode analysis, which indicates resonance phenomenon will not occur...
A 162.5 MHz superconducting half-wave resonator (HWR) with geometry beta of 0.09 is being developed for Injector II China Accelerator Driven Sub-critical System (CADS) Project at the Institute Modern Physics (IMP).The HWR section composed 16 cavities will accelerate proton beam from 2.1 MeV to 10 MeV.The RF and mechanical coupled analysis are essential in design order predict deformation cavity walls frequency shift caused by deformation.In this paper, detuning both bath helium pressure...
View Video Presentation: https://doi.org/10.2514/6.2022-3933.vid A retrofit analysis on a 90 passengers regional jet aircraft is performed through multidisciplinary collaborative design and optimization highlighting the impact costs performance. Two different activities are accounted for selecting best solution: re-engining operation that allows to substitute conventional power-plant platform with advanced geared turbofan an on-board-systems architecture modernization, considering levels of...
Porous SnO2 has received widespread attention because of its special structure. We successfully prepared 3 D porous using carbon spheres as a template. Scanning electron microscopy (SEM) morphology characterization results show that with the increase calcination temperature (400 °C, 450 500 550 600 °C), surface changed. And when is pore distribution on sample more uniform. The nitrogen adsorption showed obtained was °C had largest specific area (62.02 m2/g). Different samples were tested for...