Materials Literature
按标题、摘要、年份、主题和来源检索公开元数据。结果保留作者、摘要、分类与原始来源链接。
This paper presents the regenerative braking design control and simulation of a hybrid energy storage system (HESS) for an electric vehicle (EV). The EV is driven by two 30 kW permanent magnet synchronous motors. The HESS contains a Li-Ion battery and an Ultra-Capacitor (UC) sources. In extreme braking conditions, the…
M Karahka, H J Kreuzer; The Mystery of Missing Species in Atom Probe Tomography of Composite Materials, Microscopy and Microanalysis, Volume 22, Issue S3,
Debangshu Mukherjee, Greg Stone, Ke Wang, Venkatraman Gopalan, Nasim Alem; Aberration Corrected STEM Imaging of Domain Walls in Congruent LiNbO 3, Microsco
Application of long EHV XLPE underground cables has divers effects on the transient behavior of transmission grids, mainly due to their large capacitive shunt impedance. Low-order resonance frequencies are one of the features of long cables that deserve special attention. This paper investigates the resonance behavior…
Changes in the crystal structure, which are accompanied by iron intercalation and release in the layered intercalation compound TiSe 2 , demonstrating the retrograde solubility in the completely solid state, are considered. Various concentration regions not exceeding, exceeding, and corresponding to the leakage limit…
A Hammerstein Model based on neural networks is proposed for piezoelectric actuators (PEA) hysteresis dynamics. An elementary hysteresis operator is constructed to describe the hysteresis information, which is used with a Neural Network to represent the static nonlinear part of the PEA. An Autoregressive Model with Ex…
In order to overcome the problem of poor filtering by using traditional PI control for dc-link voltage of shunt active power filter (SAPF), an adaptive fuzzy control method is proposed. Firstly, a fuzzy controller is designed which contains two inputs and one output. The two inputs are error and error rate is between…
The insulating paper in the transformer undergoes degradation during operation. Condition monitoring and assessment for insulating paper is of great significance as the life of insulating paper mainly determines that of transformers. Accelerated thermal aging experiments were performed for insulating papers at 120°C a…
The mechanism of the formation of ash deposits on the internal surfaces of equipment during the thermochemical conversion of wood biomass was investigated. It was shown that the transfer of the mineral matter of fuel wood through a gas phase is the prevailing mechanism. The thermodynamic calculation of the equilibrium…
The stack temperature plays a major role in ensuring highly reliable and efficient operations of the fuel cell system, and it directly affects the rate of chemical reactions and transport of water and reactants. In the fuel cell system for switcher locomotive, the thermal circuit consists of the stack, a bypass valve,…
The Frequency Response Analysis (FRA) method is used widely in the windings deformation diagnostics of power transformers. But until recently, the FRA method can only be used off line, because it need injecting signal into the windings. For operating transformers, it is almost impossible to inject directly the signal…
The partial discharges in transformer oil are simulated. Here are considered partial discharges in bubbles, inserted in bulk of liquid in cases of electrode systems “plane-plane” and “point-plane”. Computed “true” and apparent charges show that apparent charge is much time less than true charge. More bubble radius - m…
Sorbitol is widely used in food industries, and its decomposition behavior under hydrothermal condition is needed for its recovery from biomass and processing. In order to elucidate the decomposition behavior of sorbitol under hydrothermal conditions, hydrothermal decomposition of sorbitol was investigated in a flow r…
This paper reports on the effects of multiple compounding cycles on the structural, chemical, rheological and DC dielectric breakdown properties of bi-axially oriented silica-polypropylene nanocomposite films. While the effect of multiple compounding cycles on the silica particle agglomeration remains seemingly modest…
Multicenter alkylene-aromatic polyester initiators for the cationic polymerization of oxazolines are synthesized via the high-temperature polycondensation of 2-[4-(2-Br-ethyl)]phenylsulfonyl hydroquinone with 4,4'- (alkanoyldioxydibenzoyl)dichlorides. The Kuhn segment values, liquid-crystalline properties, and molecul…
In the present work iron oxide nanoparticles have been prepared by microwave assisted synthesis with the influence of different precursor salts and synthesis of magnetite, hematite, Iron oxide hydroxide and maghemite nanoparticles. Synthesized iron oxide nanoparticles were characterized with Infrared Spectroscopy (FTI…
We developed a new deposition method for perfluoropolyether (PFPE) lubricant on a diamond-like carbon (DLC) overcoat by photoelectron-assisted chemical vapor deposition (PACVD). PFPE lubricant in the vapor phase was deposited on the DLC surface of a magnetic disk with a bias voltage between the disk surface and a coun…
Computational modelling has been performed to understand the deformation mechanisms of closed-cell aluminium foams under quasi-static compression. A micro-computed tomography-based 3D foam geometry was developed that described the interior of the foam. The FE software ABAQUS/Explicit has been used for the present meso…
Indicatrices of the light scattering on homogeneous nanoparticles with radii of r 0 = 50, 75, and 100 nm and on double-layer nanoparticles with core radii of r 0 = 40, 65, and 90 nm and a shell thickness of Δ r = 10 nm are calculated numerically for light wavelengths of λ = 300, 560, and 1000 nm. Metals Ti, Ni, and Zn…
The catalytic systems NiBr 2 (DPP-DAB) + 20 MAO and NiBr 2 (DPP-BIAN) + 20 MAO (DPP-BIAN = bis(2,6-diisopropylphenyl)-bis(imino)-acenaphtene, MAO = methylaluminoxane), as well as a number of model systems, are studied under conditions of their activation and functioning. There are paramagnetic nickel complexes and rad…