Results 71 to 80 of about 892,824 (329)

Regularization modeling for large-eddy simulation of diffusion flames [PDF]

open access: yes, 2006
We analyze the evolution of a diffusion flame in a turbulent mixing layer using large-eddy simulation. The large-eddy simulation includes Leray regularization of the convective transport and approximate inverse filtering to represent the chemical source ...
Geurts, Bernard J.
core   +1 more source

Analytical treatment of 2D steady flames anchored in high-velocity streams

open access: yes, 2009
The problem of burning of high-velocity gas streams in channels is revisited. Previous treatments of this issue are found to be incomplete. It is shown that despite relative smallness of the transversal gas velocity, it plays crucial role in determining ...
Bedat   +10 more
core   +1 more source

On the Analysis and Detection of Flames Withan Asynchronous Spiking Image Sensor [PDF]

open access: yes, 2018
We have investigated the capabilities of a customasynchronous spiking image sensor operating in the NearInfrared band to study flame radiation emissions, monitortheir transient activity, and detect their presence ...
Carmona Galán, Ricardo   +3 more
core   +1 more source

Solvent‐Free Manufacturing of Multifunctional Gas Diffusion Electrode Architectures for Enhanced CO2 Conversion From Low‐Concentration Streams

open access: yesAdvanced Functional Materials, EarlyView.
A tandem gas diffusion electrode (GDE) leveraging hierarchically engineered microgranules enables efficient CO2 electroreduction under dilute CO2 conditions. A key innovation lies in the solvent‐free precision assembly of metal–organic‐frameworks, carbon nanotubes, and copper nanoparticles.
Kai‐Jen Wu   +7 more
wiley   +1 more source

Changes in prevalence of alcohol and tobacco consumption across districts of India, 2016 and 2021

open access: yesBMC Public Health
Background India witnessed a rise in alcohol and tobacco consumption in the last few decades. However, the burden varies because of the huge population, diverse socioeconomic, cultural, and geographical characteristics, and different liquor policies ...
Sunil Rajpal   +5 more
doaj   +1 more source

A Case of Cerebral Cortical Encephalitis

open access: yes
Annals of Clinical and Translational Neurology, EarlyView.
Sixiao Liu, Kunqian Ji, Wei Wu, Wei Li
wiley   +1 more source

Coagulative Granular Hydrogels with an Enzyme Catalyzed Fibrin Network for Endogenous Tissue Regeneration

open access: yesAdvanced Healthcare Materials, EarlyView.
Coagulative granular hydrogels are composed of packed thrombin‐functionalized microgels that catalyze the conversion of fibrinogen into a secondary fibrin network, filling the interstitial voids. This bio‐inspired approach stabilizes the biomaterial to match the robustness of bulk hydrogels without compromising injectability, mimicking the initial ...
Zhipeng Deng   +16 more
wiley   +1 more source

Online reviews towards reducing risk [PDF]

open access: yesJournal of Tourism Futures
Purpose – This paper aims to examine the impact of online reviews on behavioral intentions via perceived risk. Perceived risk is both analytical and emotional.
Neha Yadav   +2 more
doaj   +1 more source

Flame Retardancy Index for Thermoplastic Composites

open access: yesPolymers, 2019
Flame Retardancy Index, FRI, was defined as a simple yet universal dimensionless criterion born out of cone calorimetry data on thermoplastic composites and then put into practice for quantifying the flame retardancy performance of different polymer ...
H. Vahabi, B. Kandola, M. Saeb
semanticscholar   +1 more source

Dynamics and control of premixed combustion systems based on flame transfer and describing functions

open access: yesJournal of Fluid Mechanics, 2020
This article describes recent progress on premixed flame dynamics interacting with acoustic waves. Expressions are derived to determine the stability of combustors with respect to thermoacoustic oscillations. The validity of these expressions is general,
T. Schuller, T. Poinsot, S. Candel
semanticscholar   +1 more source

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