Results 81 to 90 of about 627,886 (336)

Reactant Jetting in Unstable Detonation [PDF]

open access: yes, 2009
We note the common existence of a supersonic jet structure locally embedded within a surrounding transonic flow field in the hitherto unrelated phenomena of unstable gaseous detonation and hypervelocity blunt body shock wave interaction. Extending prior
Austin J.M.   +8 more
core   +1 more source

Investigation of hydrogen-enriched kerosene-fueled rotating detonation engine with multi-column film cooling

open access: yesThe Physics of Fluids
To address the thermal protection challenges associated with the rotating detonation engine (RDE) in engineering applications, this study employs a three-dimensional numerical simulation based on the Eulerian–Lagrangian model to investigate the flow ...
Jingzhe Li   +5 more
semanticscholar   +1 more source

Navigating the Ethereal Tightrope: The Nanogenerator Manipulates Neurons for Immune Equilibrium

open access: yesAdvanced Science, EarlyView.
This review explores how nanogenerators modulate neuroimmune responses, offering innovative strategies for treating neurological disorders. By interfacing with neural pathways, they enable precise control of immune activity, especially via vagus nerve stimulation.
Jia Du   +5 more
wiley   +1 more source

Influence of oncoming flow parameters on rotating detonation combustor with supersonic turbine guide vanes

open access: yesThe Physics of Fluids
Rotating detonation combustion can greatly improve the performance of air-breathing turbojet engines due to its self-pressurization and high combustion efficiency. Detonation wave propagation is closely related to oncoming flow parameters. The supersonic
Fengbo Wen   +4 more
semanticscholar   +1 more source

Plant Robotics for Sustainable and Environmentally Friendly Robots: Insights from Actuation Characteristics

open access: yesAdvanced Science, EarlyView.
Plants are promising materials for building sustainable and eco‐friendly robots due to their inherent multifunctionality, with actuation playing a crucial role. This article focuses on the physical movements of plants and, from the perspective of actuation characteristics, explores representative plant species and their behaviors, the current state of ...
Kazuya Murakami   +8 more
wiley   +1 more source

Thermonuclear detonations ensuing white dwarf mergers

open access: yes, 2015
The merger of two white dwarfs (WDs) has for many years not been considered as the favoured model for the progenitor system of type Ia supernovae (SNe Ia).
Brüggen, Marcus   +4 more
core   +1 more source

Rotating detonation combustor performance informed through a novel megahertz-rate stagnation pressure measurement

open access: yesThe Physics of Fluids
An experimental stagnation pressure measurement technique is presented for a rotating detonation combustor (RDC). Schlieren imaging enables rotating detonation wave passage to be correlated with oscillations observed in the under-expanded exhaust plume ...
K. J. Dille   +3 more
semanticscholar   +1 more source

An Advanced High‐Performance Ultrafast Ammonium‐Ion Aqueous Battery Based on Dual‐Metal Redox Open Framework Molecular Magnet

open access: yesAdvanced Science, EarlyView.
The Prussian Blue Analogue molecular magnet KMnFeHCF is demonstrated as a high‐performance cathode for ultra‐fast aqueous ammonium‐ion batteries. A full cell using KMnFeHCF and graphite delivers ~71 mAh g−1 at 1.25 A g−1 and ~51 mAh g−1 at 2.2 A g−1, retaining 50% capacity after 1850 cycles. Its scalability, cycling stability, and low cost offer strong
Nilasha Maiti   +5 more
wiley   +1 more source

Stretchable Curvature Sensors for Motion Capture with Bending‐Stretching Coupling Deformation

open access: yesAdvanced Science, EarlyView.
Stretchable curvature sensors based on a wavy symmetric stacked‐layer structure (WSSLS) enable decoupled bending‐stretching detection with high linearity, repeatability, and durability. Integrated into smart gloves, the sensors achieved precise motion capture and human‐robot interaction, with slip‐simulation tests demonstrating a remarkable 93.6 ...
Tairan Wang   +9 more
wiley   +1 more source

Analytical Models for the Thrust of a Rotating Detonation Engine [PDF]

open access: yes, 2017
Two models are proposed for rotating detonation engine performance. The first model is motivated by models of pulse detonation engine performance which are based on the pressure-time history within the detonation tube.
Kasahara, J., Shepherd, J.E.
core  

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