Numerical simulations of gas-particle flow behavior created by low-level rotary-winged aircraft flight over particle bed
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematics and Mechanics"
DOI: 10.1007/s10483-019-2449-9
Abstract: The aerodynamics of gas-particle suspensions is simulated as an Euler-Euler two-fluid model in a revolving rotor over a particle bed. The interactions of collisions between the blade and particles and particle-particle interactions are modeled using… read more here.
Keywords: gas; rotor; gas particle; particle bed ... See more keywords
Numerical investigation of gas-particle hydrodynamics in a vortex chamber fluidized bed
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2018.09.014
Abstract: Abstract Gas-particle hydrodynamic behaviour inside a vortex chamber fluidized bed is studied numerically with respect to different design and operating conditions. A three-dimensional computational fluid dynamics (CFD) model of a cylindrical vortex chamber is developed.… read more here.
Keywords: gas particle; chamber fluidized; hydrodynamics; vortex chamber ... See more keywords
Gas- and particle-phase products from the photooxidation of acenaphthene and acenaphthylene by OH radicals
Sign Up to like & getrecommendations! Published in 2017 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2016.11.063
Abstract: Abstract This work is focused on the gas-phase oxidation of acenaphthylene and acenaphthene by OH radicals and associated secondary organic aerosol (SOA) formation under low and high-NOx conditions. Experiments were carried out in an atmospheric… read more here.
Keywords: gas particle; particle phase; nox conditions; gas ... See more keywords
Gas–particle partition and spatial characteristics of polycyclic aromatic hydrocarbons in ambient air of a prototype coking plant
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2019.02.012
Abstract: Abstract This study investigated the gas–particle partition and spatial characteristics of polycyclic aromatic hydrocarbons (PAHs) in the ambient air of a prototype coking plant. High-volume samplers with glass fiber filters (GFFs) and polyurethane foams (PUFs)… read more here.
Keywords: gas; gas particle; coking plant; pahs ... See more keywords
Effects of temperature and relative humidity on the partitioning of atmospheric oxidized mercury at a high-altitude mountain background site in Taiwan
Sign Up to like & getrecommendations! Published in 2021 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2021.118572
Abstract: Abstract Gas-particle partitioning of oxidized mercury (Hg) plays an important role in governing the speciation, transport and deposition of atmospheric Hg. Although studies on gas-particle partitioning of oxidized Hg have been conducted at some urban… read more here.
Keywords: oxidized mercury; particle partitioning; atmospheric oxidized; gas particle ... See more keywords
Hourly composition of gas and particle phase pollutants at a central urban background site in Milan, Italy
Sign Up to like & getrecommendations! Published in 2017 at "Atmospheric Research"
DOI: 10.1016/j.atmosres.2016.10.025
Abstract: A comprehensive range of gas and particle phase pollutants were sampled at 1-hour time resolution in urban background Milan during summer 2012. Measurements include several soluble inorganic aerosols (Cl−,NO2−,NO3−,SO42−,Ca2+,K+,Mg2+,Na+,NH4+) and gases (HCl, HNO2,HNO3, NH3, NO,… read more here.
Keywords: carbon; gas particle; gas; phase pollutants ... See more keywords
A comprehensive stress model for gas-particle flows in dense and dilute regimes
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.115833
Abstract: Abstract A comprehensive solid stress model including the whole flow regimes for gas-particle flows is proposed. In the inertial regime characterized by low solid concentrations, solid stress is closed by kinetic theory based on particle… read more here.
Keywords: solid stress; gas particle; model; stress ... See more keywords
Slopes and intercepts from log-log correlations of gas/particle quotient and octanol-air partition coefficient (vapor-pressure) for semi-volatile organic compounds: I. Theoretical analysis.
Sign Up to like & getrecommendations! Published in 2020 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2020.128865
Abstract: Gas/particle partitioning governs the transport and fate of semi-volatile organic compounds (SVOCs) released to the atmosphere. The partition quotient of SVOCs, KP, is related to their subcooled liquid vapor pressure (logKP = mp logPL + bp) and to their… read more here.
Keywords: gas particle; gas; air; semi volatile ... See more keywords
Evaluation of gas and particle sensors for detecting spacecraft-relevant fire emissions
Sign Up to like & getrecommendations! Published in 2020 at "Fire Safety Journal"
DOI: 10.1016/j.firesaf.2020.102977
Abstract: Abstract Fire detection faces challenges of increasing sensitivity, accuracy, and response speed while reducing false alarms. Air quality sensors measure fire emission signatures similar to smoke detectors but are often more sensitive. Recent advancement in… read more here.
Keywords: gas particle; spacecraft; particle; particle sensors ... See more keywords
Co-simulating fouling, erosion of gas-particle flow and morphologies predictions around circular tube via parallel CFD–DEM modeling
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2021.120464
Abstract: Abstract In this paper, a novel CFD-DEM model, co-simulating erosion, fouling of the gas-particle flow and predicting morphologies, is presented to simulate the industrial circular tube. The particle impact model is treated as a mechanistic… read more here.
Keywords: particle flow; gas particle; erosion; particle ... See more keywords
Influence of divergent length on the gas-particle flow in dual hose dry ice blasting nozzle geometry
Sign Up to like & getrecommendations! Published in 2020 at "Powder Technology"
DOI: 10.1016/j.powtec.2020.01.060
Abstract: Abstract A numerical simulation study was performed to examine the effect of nozzle geometry and divergent length on gas-particle flows in dual hose dry ice blasting. The simultaneous model of mass momentum and energy exchange… read more here.
Keywords: gas particle; length; geometry; flow ... See more keywords