Development of an algorithm for effective design of respirator half-masks and encapsulated particle filters

S Cheberyachko, Y Cheberyachko… - International Journal …, 2022 - Taylor & Francis
Objective. Social and economic situations in the modern world require new approaches to
the development of respiratory protective equipment. This study aimed to improve the three …

Hood nebulization: effects of head direction and breathing mode on particle inhalability and deposition in a 7-month-old infant model

JW Kim, J Xi, X Si, A Berlinski, WC Su - Journal of Aerosol Medicine …, 2014 - liebertpub.com
Background: Aerosol drug delivery to infants is a strong function of their behavior. Infants
can be active during medication administration, changing head position or breathing mode …

Comparative efficiency of airborne pollen concentration evaluation in two pollen sampler designs related to impaction and changes in internal wind speed

K Miki, S Kawashima, B Clot, K Nakamura - Atmospheric Environment, 2019 - Elsevier
Pollen sampling has been performed using various sampling methods around the world.
However, the sampling efficiencies of these methods remain unclear. In this study, we …

In vivo measurements of inhalability of ultralarge aerosol particles in calm air by humans

YT Dai, YJ Juang, Y Wu, PN Breysse, DJ Hsu - Journal of aerosol science, 2006 - Elsevier
This work measured the nasal inhalability of ten human subjects in different inspiratory flow
rates under calm air condition and compared the results with the manikin studies in the …

Assessing the protection provided by facepiece filtering respirator: New model involving spherical porous layer with annular peripheral opening

IT Mukhametzanov, SA Grinshpun, SK Zaripov… - Aerosol and Air Quality …, 2016 - aaqr.org
ABSTRACTThe penetration of aerosol particles inside a facepiece filtering respirator (FFR)
was investigated using a novel model, which involved a spherical porous layer representing …

Towards a general semi-empirical model for the aspiration efficiencies of aerosol samplers in perfectly calm air

WC Su, JH Vincent - Journal of aerosol science, 2004 - Elsevier
In previous papers we have described a body of experimental work, backed up by numerical
studies, to acquire a large set of new data for the aspiration efficiencies of aerosol samplers …

Numerical study of thin-walled sampler performance for aerosols in low windspeed environments

SK Zaripov, AK Gilfanov… - Aerosol Science and …, 2010 - Taylor & Francis
The aerosol aspiration into a thin-walled sampler horizontally oriented in low windspeed
environment is numerically investigated. The air flow is assumed to be incompressible and …

Аспирация аэрозоля в цилиндрический пробоотборник из низкоскоростного нисходящего потока и из неподвижной среды

МВ Ванюнина, РС Галеев, ШХ Зарипов… - … и техническая физика, 2005 - mathnet.ru
Решена задача об аспирации в двумерный цилиндрический пробоотборник из
низкоскоростного нисходящего потока и из неподвижной среды. Предложена простая …

Numerical study of the respiCon sampler performance in the calm air

S Zaripov, W Koch - Aerosol Science and Technology, 2014 - Taylor & Francis
Results of a numerical study of the RespiCon sampler performance in the calm air are
presented. The air flow is described by the Navier–Stokes equations of axisymmetric …

Aerosol aspiration into a cylindrical sampler from a low-velocity downward flow and from calm air

MV Vanyunina, RS Galeev, SK Zaripov… - Journal of applied …, 2005 - Springer
The problem of aerosol aspiration into a two-dimensional cylindrical sampler from a low-
velocity downward flow and from calm air is solved. A simple analytical model for the velocity …