Lei Wang
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View article: Performance and Reliability Analysis of a New Drone Bottle Valve
Performance and Reliability Analysis of a New Drone Bottle Valve Open
As the global demand for sustainable energy grows, hydrogen fuel has become a promising alternative to fossil fuels, particularly in the drone industry. Drones, known for their high mobility and low operational costs, are increasingly util…
View article: Beyond 200 Gb/s/λ C-band PAM-4 low-latency transmission over 20-km nested antiresonant nodeless fiber
Beyond 200 Gb/s/λ C-band PAM-4 low-latency transmission over 20-km nested antiresonant nodeless fiber Open
The rapid growth of modern Internet applications demands ever-increasing transmission capacity and reduced latency in optical interconnect systems utilizing intensity modulation and direct detection (IM/DD). However, the intrinsic limitati…
View article: Soliton and dispersive wave generation with third-order dispersion and temporal boundary
Soliton and dispersive wave generation with third-order dispersion and temporal boundary Open
We investigate the pulse evolution and energy conservation condition at the temporal boundary under third-order dispersion. When the fundamental soliton crosses the temporal boundary and forms two reflected pulses and one transmitted pulse…
View article: Measurement of the three-dimensional distribution of uniaxial stress by terahertz time domain spectroscopy
Measurement of the three-dimensional distribution of uniaxial stress by terahertz time domain spectroscopy Open
This paper presents a method to measure the three-dimensional distribution of uniaxial stress based on Terahertz Time Domain Spectroscopy (THz-TDS). The measurement principle was first established, which combines the computed tomography (C…
View article: Single-Mode Input Fiber Combined with Multimode Sensing Fiber Used in Brillouin Optical Time-Domain Reflectometry
Single-Mode Input Fiber Combined with Multimode Sensing Fiber Used in Brillouin Optical Time-Domain Reflectometry Open
Conventional single-mode fiber (SMF) Brillouin optical time-domain reflectometry (BOTDR) suffers from a low signal-to-noise ratio (SNR) and severe sensing reliability due to the influence of the stimulated Brillouin scattering threshold an…
View article: The capacitance tomography image reconstruction algorithm based on sensitivity field sensitivity matrix
The capacitance tomography image reconstruction algorithm based on sensitivity field sensitivity matrix Open
Successful applications of ECT technology depend on the speed and precision of the image reconstruction algorithms. The image reconstruction for electrical capacitance tomography (ECT) is an inherently nonlinear and ill-posed inverse probl…
View article: Influence of VSC Converter Station on Switching Overvoltage of LCC Converter Station in LCC-VSC Hybrid DC System
Influence of VSC Converter Station on Switching Overvoltage of LCC Converter Station in LCC-VSC Hybrid DC System Open
LCC-VSC hybrid DC system combines the advantages of LCC in transmitting large-capacity electric energy and VSC in power transmitting to weak AC power system without commutation failure, which makes the transmission form more flexible. A HV…
View article: A Schedule Power Flow Generating Method Based on State Estimation
A Schedule Power Flow Generating Method Based on State Estimation Open
Generating schedule power flow rapidly and accurately is an important step in security checking. In consideration of poor convergency property and calculating speed of conventional methods based on power flow calculations, this paper propo…
View article: Effects of Nanoparticle Materials on Prebreakdown and Breakdown Properties of Transformer Oil
Effects of Nanoparticle Materials on Prebreakdown and Breakdown Properties of Transformer Oil Open
In order to reveal the effects of nanoparticle materials on prebreakdown and breakdown properties of transformer oil, three types of nanoparticle materials, including conductive Fe3O4, semiconductive TiO2 and insulating Al2O3 nanoparticles…
View article: Creeping flashover characteristics improvement of nanofluid/pressboard system with TiO2 nanoparticles
Creeping flashover characteristics improvement of nanofluid/pressboard system with TiO2 nanoparticles Open
Creeping flashover easily occurs at the interface between oil and pressboard in transformer and thus results in outage of power transmission system. Investigations have shown that creeping flashover characteristics at oil/pressboard interf…
View article: Effect of TiO2 nanoparticles on the ion mobilities in transformer oil-based nanofluid
Effect of TiO2 nanoparticles on the ion mobilities in transformer oil-based nanofluid Open
TiO2 nanoparticles with an average diameter of 6 nm were synthesized and well dispersed in transformer oil to prepare nanofluids (NFs). Influence of nanoparticles on the ion migration property of NFs was investigated via reversal polarity …
View article: Characterization of Inorganic Elements within PM2.5 and PM10 Fractions of Fly Ashes from Coal-Fired Power Plants
Characterization of Inorganic Elements within PM2.5 and PM10 Fractions of Fly Ashes from Coal-Fired Power Plants Open
In this study 15 fly ash samples were collected from 15 large-scale coal-fired power plants (CFPPs) in China. The samples were then re-suspended through PM2.5 and PM10 inlets and analyzed for the contents of 39 inorganic elements (IEs) usi…
View article: Design and Simulation of a Topology Aggregation Algorithm in Multi-Domain Optical Networks
Design and Simulation of a Topology Aggregation Algorithm in Multi-Domain Optical Networks Open
The aggregate conversion from the complex physical network topology to the simple virtual topology reduces not only load overhead, but also the parameter distortion of links and nodes during the aggregation process, thereby increasing the …