Results 21 to 30 of about 21,157 (224)
Minimum Return Power Control for Three-Level Dual Active Hybrid Full-Bridge DC-DC Converters
Shanghai Jiaotong Daxue xuebao, 2023 Hybrid three-level full bridge (H-TLFB) DC-DC converters increase the input voltage range by introducing a three-level bridge arm. Aimed at the problems of large power return and high current stress in the traditional dual phase shift control, a minimum ...
TAO Haijun, ZHANG Jinsheng, XIAO Qunxing, ZHENG Zheng
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Simulating Electron Transport and Synchrotron Emission in Radio Galaxies: Shock Acceleration and Synchrotron Aging in Three-Dimensional Flows [PDF]
, 2001 We present the first three-dimensional MHD radio galaxy simulations that explicitly model transport of relativistic electrons, including diffusive acceleration at shocks as well as radiative and adiabatic cooling in smooth flows.
Jones, T. W. +2 more
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Performance Evaluation of Modulation Techniques in Single-Phase Dual Active Bridge Converters
IEEE Open Journal of the Industrial Electronics Society, 2021 This research presents a thorough comparison of different modulation techniques employed in dual active bridge (DAB) converters. The performance of a DAB converter is essentially affected by the modulation technique and the operating point, including ...
Negar Noroozi, Ali Emadi, Mehdi Narimani
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A comparison of variable valve strategies at part load for throttled and un-throttled SI engine configurations [PDF]
, 2015 The presented work concerns the study of the fuel consumption and emissions benefits achieved at part load by employing a fully variable valve train in a 1.6L SI gasoline engine.
Barber, M, Cairns, A, Pesiridis, A
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Numerical study and experimental validation of a Roots blower with backflow design
Engineering Applications of Computational Fluid Mechanics, 2018 A three-dimensional computational fluid dynamics (CFD) model of a Roots blower with a backflow design was established to analyse the effects of the backflow on the Roots blower's performance.
Shu-Kai Sun +3 more
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A Simulation Study of Ultra-relativistic Jets. III. Particle Acceleration in FR-II Jets
The Astrophysical Journal, 2023 We study the acceleration of ultra-high-energy cosmic rays (UHECRs) in Class II Fanaroff–Riley (FR-II) radio galaxies by performing Monte Carlo simulations for the transport, scattering, and energy change of CR particles injected into time-evolving jet ...
Jeongbhin Seo, Dongsu Ryu, Hyesung Kang
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Backflows In- And Feedback From Jet-Powered Agns
, 2016 During the propagation of a jet within the Interstellar medium of its host galaxy an expanding cavity filled with hot, turbulent gas forms, within which the jet itself propagates. We have performed a series of numerical experiments aiming at studying the large scale circulation within this jet-cocoon system. The gas advected by this backflow has a very
Antonuccio-Delogu, V. +3 more
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Electronics, 2022 Electrowetting display (EWD) is one of the latest and most promising reflective displays. However, some defects are easily caused in a driving process. For example, the aperture ratio of pixels can be reduced due to oil splitting, and the grayscale cannot be stabilized due to charge trapping. These defects can be effectively solved by designing driving
Lixia Tian +6 more
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Case Studies in Thermal Engineering, 2019 Miller cycle makes the expansion ratio larger than effective compression ratio by early or late closing intake valves thereby improving the thermal efficiency of gasoline engines at the risk of power degradation.
Bin Chen +3 more
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A Boost CLLC Converter Controlled by PWM and PFM Hybrid Modulation for Photovoltaic Power Generation
IEEE Access, 2020 When an input terminal is connected to a solar panel with a low voltage level and large power range fluctuation, a Boost type CLLC converter controlled by fixed frequency pulse width modulation (PWM) reduces the utilization of PV electric energy, and the
Zhe Shi +3 more
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