Results 81 to 90 of about 36,528 (313)

Effect of temperature on the impact ignition behavior of the aluminum/polytetrafluoroethylene reactive material under multiple pulse loading

open access: yesMaterials & Design, 2020
An impact ignition experiment was conducted using a split Hopkinson pressure bar at 22, 65, 125, and 205 °C to study the ignition behavior of an aluminum/polytetrafluoroethylene reactive material under extreme conditions such as high temperature ...
Huilan Ren, Wei Li, Jianguo Ning
doaj   +1 more source

Pre-ignition associated with low-temperature shock tube ignition measurements

open access: yes, 2015
Shock tubes are widely used for chemical kinetics studies due to their ability to instantaneously achieve nearly zero-dimensional high-temperature conditions behind reflected shock waves.
Es-sebbar, Et-touhami   +5 more
core  

Experimental investigations into high-altitude relight of a gas turbine

open access: yes, 2008
This thesis describes experiments to investigate high-altitude relight of a lean direct injection (LDI) combustor. The features that make LDI technology less polluting in terms of NOx compared to conventional combustors are expected to impede relight ...
Read, Robert William
core   +1 more source

All‐Flex Plasma Patch for In Vivo Delivery of Reactive Species

open access: yesAdvanced Science, EarlyView.
A fully flexible plasma patch enables stable, conformal treatment on complex biological surfaces and enhances transdermal delivery of reactive species. This platform achieves significant tumor suppression in vivo and reveals coordinated regulation of calcium signaling, metabolism, and programmed cell death, providing a promising strategy for safe and ...
Luxiang Zhao   +8 more
wiley   +1 more source

The effect of square corners on the ignition of solids

open access: yes, 1993
the influence of square corners on the ignition of a solid exposed to a step in surface temperature is analyzed by means of large activation energy asymptotics. This study begins by considering the case of a semi-infinite square corner, applicable to the
Vázquez Espí, Carlos   +1 more
core  

Desenvolvimento e aplicação de modelos cinéticos detalhados para etanol e combustíveis hidrocarbonetos contendo etanol [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2009O crescente interesse em etanol como combustível é motivado por várias razões econômicas e ambientais ...
Cancino, Leonel Rincón
core  

A Review of Failure Modes and Safety Strategies of Lithium‐Ion Batteries from Materials to Systems

open access: yesAdvanced Science, EarlyView.
A cascade‐aware framework is presented for lithium‐ion battery safety, linking thermal runaway initiation, acceleration, runaway reaction, and propagation with material‐, cell/pack‐, and system‐level interventions. By integrating failure mechanisms, quantitative safety indicators, and staged interception strategies, this review highlights how safer ...
Jin Hyeok Yang   +8 more
wiley   +1 more source

Vapor‐Phase Grain‐Boundary Anchoring Enables Molecular Toughening and Record Bending Endurance in Pilot‐Scale Roll‐to‐Roll‐Printed Flexible Perovskite Modules

open access: yesAngewandte Chemie, EarlyView.
A vapor‐phase molecular toughening strategy is developed for pilot‐scale roll‐to‐roll (R2R) ‐compatible fabrication of flexible perovskite solar modules. Thiol vapor selectively regulates crystallization and anchors at grain boundaries, reducing defects while enhancing mechanical resilience.
Lirong Dong   +18 more
wiley   +2 more sources

Note on ignition by a hot catalytic surface

open access: yes, 1981
In a previous paper [1], we applied asymptotic methods based on large values of the nondimensional activation temperature to study ignition of a reactive material, semi-infinite in extent, subjected to a step increase in temperature at its planar surface.
Williams, F.A.   +1 more
core  

NIR‐II Light‐Triggered Electron Flow Initiates Cuproptosis‐Centered Thermoelectric‐Immunotherapy for Breast Cancer

open access: yesAdvanced Science, EarlyView.
A NIR‐II light‐activatable thermoelectric nanoreactor converts surface‐bound Cu2+ into bioactive Cu+ via directed electron flow. This spatiotemporally controlled reduction triggers potent cuproptosis and immunogenic cell death, eradicating primary tumors and, together with aPD‐1 therapy, suppressing metastases while establishing durable immune memory ...
Boyu Yuan   +10 more
wiley   +1 more source

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