Infrared-based visualization of exhalation flows while wearing protective face masks
Sign Up to like & getrecommendations! Published in 2022 at "Physics of Fluids"
DOI: 10.1063/5.0076230
Abstract: Since the onset of the COVID-19 pandemic, a large number of flow visualization procedures have been proposed to assess the effect of personal protective equipment on respiratory flows. This study suggests infrared thermography as a… read more here.
Keywords: visualization; face masks; exhalation; face ... See more keywords
Ultrabroadband metamaterial absorbers from ultraviolet to near-infrared based on multiple resonances for harvesting solar energy.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.419269
Abstract: In this paper, a metal-dielectric metamaterial absorber is proposed to achieve ultrabroadband absorption at frequencies from ultraviolet to near-infrared. Based on finite element method solutions, the average absorption of the absorber is 97.75% from 382… read more here.
Keywords: infrared based; solar energy; near infrared; ultraviolet near ... See more keywords