Results 151 to 160 of about 1,220,175 (393)

Upstream Allocation of Bidirectional Load Demand by Power Packetization

open access: yesInternational Journal of Circuit Theory and Applications, EarlyView.
This paper presents a packet‐based approach for including renewables and batteries in a small and independent power supply system. The proposed method comprises dynamic allocations of bidirectional load demand in a packetized form to sources or sinks. ABSTRACT The power packet dispatching system has been studied for power management with strict tie to ...
Shiu Mochiyama   +2 more
wiley   +1 more source

Onsager relation for electrokinetics at surfactant‐covered bubble film

open access: yesDroplet, EarlyView.
We analytically studied the slip length and zeta potential of surfactant‐covered bubble films with the impact of pressure gradients and electric fields. The slip length and zeta potential of the liquid‐vapor interface significantly reduced caused by Marangoni effects.
Meng Yan, Yueke Niu, Miao Sun, Yanbo Xie
wiley   +1 more source

Development potential of Intermittent Combustion (I.C.) aircraft engines for commuter transport applications [PDF]

open access: yes
An update on general aviation (g/a) and commuter aircraft propulsion research effort is reviewed. The following topics are discussed: on several advanced intermittent combustion engines emphasizing lightweight diesels and rotary stratified charge engines.
Willis, E. A.
core   +1 more source

Static strength tests and effects of defects on dovetail elements of ceramic matrix composites turbine rotor blades

open access: yesJournal of Aeronautical Materials
The dovetail of ceramic matrix composites(CMC)turbine blade is the key to the assembly and ability to withstand centrifugal loads of the blade. In order to study the mechanical behaviour of the blade dovetail prepared by the melt infiltration(MI)method ...
JIANG Ting   +7 more
doaj   +1 more source

A Ba0.5Sr0.5TiO3 Interlayer Enabling Ultra‐Stable Performance in Hybrid Solid–Liquid Lithium Metal Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The BST interlayer, with high dielectric constant and piezoelectric properties, enhances Li+ de‐solvation and regulates lithium deposition. This dual functionality ensures improved ionic conductivity, uniform Li plating, and extended cycling stability in hybrid solid–liquid lithium metal batteries, demonstrating the potential for safer and more durable
Zhen Chen   +8 more
wiley   +1 more source

Energy efficient aircraft engines [PDF]

open access: yes
The three engine programs that constitute the propulsion portion of NASA's Aircraft Energy Efficiency Program are described, their status indicated, and anticipated improvements in SFC discussed.
Chamberlin, R., Miller, B.
core   +1 more source

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