Results 11 to 20 of about 22,985,782 (339)
Journal of Taibah University for Science, 2021 Fossil fuels are the major source of energy in the world, which are being depleted day by day. Fossil fuels are also polluting the environment by releasing greenhouse gases such as carbon dioxide.
Ruqiya Sehrish Gohar +9 more
doaj +1 more source
Micromachines, 2021 Functionalized carbon nanotube (FCNT) and Manganese Oxide (MnO2) nanoflower hybrid material was synthesized using hydrothermal technique as a promising electrode material for supercapacitor applications.
Sagar Mothkuri +5 more
doaj +1 more source
Design of SiC-Si Hybrid Interleaved 3-Phase 5-Level E-Type Back-to-Back Converter
IEEE Open Journal of Power Electronics, 2023 In modern applications, such as variable frequency electric drives, aircraft propulsion, electric vehicles, and uninterruptible power supply units, high power-dense, and efficient AC-AC power converters are the key to reducing power losses, thus limiting
Marco di Benedetto +2 more
doaj +1 more source
Nanomaterials, 2023 Adsorption heat transformation and storage (AHTS) is an environmentally benign and energy-saving alternative to common compression chillers and heat pumps.
Marina Solovyeva, Larisa Gordeeva
doaj +1 more source
Enhancing the Specific Power of a PEM Fuel Cell Powered UAV with a Novel Bean-Shaped Flow Field
Energies, 2021 One of the marketing challenges of unmanned aerial vehicles (UAVs) for various applications is enhancing flight durability. Due to the superior characteristics of proton exchange membrane fuel cells (PEMFCs), they have the potential to reach a longer ...
Somayeh Toghyani +2 more
doaj +1 more source
Electrical engineering & Electromechanics, 2020 Introduction. The main purpose of resistive cables is to convert the current flowing through the cable into heat. The maximum operating temperature of the conductive core should not exceed 100 °C.
G. V. Bezprozvannych +3 more
doaj +1 more source
Synthesis and electrochemical Li-storage performance of Li2ZrO3-Li3V2(PO4)3/C composites
Electrochemistry Communications, 2021 A simple and efficient synthetic route was developed to obtain composites by mechanically ball-milling Li2ZrO3 (LZO) with Li3V2(PO4)3/C (LVPC). LZO improves the ionic conductivity of LVPC, compensates for the transfer of Li+ between the LVPC and the ...
Limin Zhu +3 more
doaj +1 more source
Performance improvement of a household freezer with a microchannel flat-tube evaporator
Case Studies in Thermal Engineering, 2023 Microchannel flat-tube heat exchangers (MCHX) have been introduced into refrigeration systems due to their high efficient heat transfer, lightweight and compact structure.
Peng Yang +6 more
doaj +1 more source
Post-training load-related changes of auditory working memory: An EEG study [PDF]
, 2020 Working memory (WM) refers to the temporary retention and manipulation of information, and its capacity is highly susceptible to training. Yet, the neural mechanisms that allow for increased performance under demanding conditions are not fully understood.
Bruns, P. +6 more
core +2 more sources
High-Performance 3-Phase 5-Level E-Type Multilevel–Multicell Converters for Microgrids
Energies, 2021 This paper focuses on the analysis and design of two multilevel–multicell converters (MMCs), named 3-phase 5-Level E-Type Multilevel–Multicell Rectifier (3Φ5L E-Type MMR) and 3-phase 5-Level E-Type Multilevel–Multicell Inverter (3Φ5L E-Type MMI) to be ...
Marco di Benedetto +4 more
doaj +1 more source