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Evaluation of the spatial distribution of aerosols produced by various respiratory activities J. Aerosol Sci. (IF 4.5) Pub Date : 2024-04-03 Wonseok Oh, Hideki Kikumoto, Yunchen Bu, Ryozo Ooka
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Distribution and influencing factors of Mycobacterium in rail transit based on metagenomic analysis J. Aerosol Sci. (IF 4.5) Pub Date : 2024-04-02 Yongping Liu, Ling Tong, Shaofeng Sui, Yewen Shi, Fengchan Han, Jianghua Zhang
With the increasing prevalence of metro systems in urban transportation, there is a growing concern about the microbial pollution risks associated with these systems. To address this issue, this study employs metagenomic sequencing technology to investigate the distribution of in aerosol samples collected from metro environments. Through the analysis of various environmental factors, insights into
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The search for sparse data in molecular datasets: Application of active learning to identify extremely low volatile organic compounds J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-30 Vitus Besel, Milica Todorović, Theo Kurtén, Hanna Vehkamäki, Patrick Rinke
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Study on the Mass transfer and hygroscopic behavior of glucose / ammonium sulfate aerosol droplets J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-29 Pianpian Chang, Zhe Chen
Organic aerosols can form semisolid state, glassy state and high viscous state in the atmosphere, which makes aerosols show nonequilibrium kinetic characteristics following the loss of water due to the extended timescales for diffusive mixing. In this study, aerosol optical tweezers (AOTs) and confocal Raman spectroscopy are utilized to investigate the mass transfer of water and the hygroscopicity
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Public health risk assessment and speciation of air-borne microorganisms in an office building J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-20 Abhaysinh R. Salunkhe, Swapnil Dudhwadkar, Neenu P. Raju, Shalini Tandon
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Particle removal from solid surfaces via an impinging gas jet pulse: Comparison between experimental and CFD-DEM modeling results J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-19 Jens P. Metzger, Carsten Mehring
Computational and experimental studies are performed to investigate the influence of a gas jet pulse impinging perpendicularly onto a flat solid surface seeded with a monolayer of spherical particles. A numerical resuspension model is derived to predict particle release into the gas phase during jet impingement. To this end, discrete particles are immersed in a continuous gas phase modeled via Large
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A nozzle design for mitigating particle slowing in the bow shock region during micro-cold spray of 8 YSZ films J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-19 Stephen G. Bierschenk, Desiderio Kovar
During micro-cold spray deposition, also referred to as the aerosol deposition method or vacuum kinetic spraying, performed with conventional nozzles, the particle impact velocities decrease drastically with particle size for fine particles <500 nm in diameter due to slowing in the stagnation region. A new design for a nozzle that contains pressure relief channels is proposed that allows the pressure
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Modeling titanium dioxide (TiO2) nanoclusters using a 2D sectional method with molecular dynamics (MD) determined coagulation rates J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-16 Navneeth Srinivasan, Gihun Shim, Tomoya Tamadate, Shufan Zou, Li Li, Christopher J. Hogan Jr., Suo Yang
Accurate prediction of the particle size distribution (PSD) evolution of growing nanometer scale particles is important in designing gas-phase synthesis reactors for the production of nanomaterials. Towards improved predictions of growth, we model the evolution of the PSD of 1-4 nm TiO particles from the decomposition of titanium tetraisoproxide (TTIP) using a two-dimensional (2D) sectional method
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Fate of inhaled electronic nicotine delivery systems (ENDS) puff constituents in the human respiratory tract J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-15 Bahman Asgharian, Owen Price, Scott Wasdo, Jon Fallica, Gladys Erives, Cissy Li, Raymond Yeager, Susan Chemerynski, Jeffry Schroeter
Published research on the fate of a puff from electronic nicotine delivery systems (ENDS) in the lungs is limited; more information would better inform human exposure and potential adverse outcomes from ENDS use. An ENDS puff is a mixture of multiple constituents in droplet and vapor form, including propylene glycol, vegetable glycerin, nicotine, water, and flavor chemicals. Understanding the complexity
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Molecular dynamics investigation of gold nanoparticle coalescence under realistic gas-phase synthesis conditions J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-08 P. Grammatikopoulos, E. Toulkeridou
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Health risk assessment and characterization of PM2.5 bound bioaerosols at the municipal solid waste landfill site of Nagpur, India J. Aerosol Sci. (IF 4.5) Pub Date : 2024-03-05 Pooja Kamdi, Sakshi Patil, Amit Bafana, Asha Lalwani, Anirban Middey, Krishnamurthi Kannan, Saravanadevi Sivanesan
Landfill being the reservoir of organic waste, serves as the most important source in the generation and emission of bioaerosols in the environment, and these bioaerosols have a significant impact on the environment and public health. In India, there are limited studies on the characterization of culturable bacteria and fungi in the bioaerosols originating from landfills. Therefore, the present study
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Operando gas- and particle-phase measurements of combustion cigarette smoke aerosols by vacuum ultraviolet photoionization mass spectrometry J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-29 Feng Zhao, Zuoying Wen, Xuejun Gu, Weijun Zhang, Xiaofeng Tang
Cigarette smoke is a dynamically changing aerosol system and the operando measurement of its complex chemical compositions is challenging. In this work, the gas- and particle-phase components of combustion cigarette smoke aerosols, which usually have different adverse influences on environment and human health, have been separated and their individual compositions are measured online by using a novel
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Effect of Lagrangian time scales on the statistical simulations of droplet penetration through turbulent pipe flows J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-28 Z.R. Milani, F. Razavi, N. Ogrodnik, T. Kamoru, E. Matida
Penetration of droplets in fully-developed turbulent pipe flows (vertical configuration) was studied numerically. Two Reynolds numbers ( = 37,700 and 11,700) based on the pipe diameter were used in the simulations. Statistics used in the single-phase flow characterization (mean velocities, root mean square fluctuation velocities, and turbulence dissipation rate) were obtained from the law of the wall
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Understanding the fuel spray characteristics in the near-nozzle region for a pressure swirl atomizer J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-28 S.K. Vankeswaram, Milan Maly, Jan Jedelsky
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Evaluation of methods for characterizing the fine particulate matter emissions from aircraft and other diffusion flame combustion aerosol sources J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-28 Robert Giannelli, Jeffrey Stevens, John S. Kinsey, David Kittelson, Alla Zelenyuk, Robert Howard, Mary Forde, Brandon Hoffman, Cullen Leggett, Bruce Maeroff, Nick Bies, Jacob Swanson, Kaitlyn Suski, Gregory Payne, Julien Manin, Richard Frazee, Timothy B. Onasch, Andrew Freedman, Imad Khalek, Huzeifa Badshah, Daniel Preece, Vinay Premnath, Scott Agnew
The U. S. Environmental Protection Agency in collaboration with the U. S. Air Force Arnold Engineering Development Complex conducted the VAriable Response In Aircraft nvPM Testing (VARIAnT) 3 and 4 test campaigns to compare nonvolatile particulate matter (nvPM) emissions measurements from a variety of diffusion flame combustion aerosol sources (DFCASs), including a Cummins diesel engine, a diesel powered
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On the dependence of electrical mobility on temperature, humidity and structure of alkylammonium ions J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-27 Xuemeng Chen, Juha Kangasluoma, Jakub Kubečka, Ivo Neefjes, Hanna Vehkamäki, Markku Kulmala, Amirreza Tootchi, Farah Mubas Sirah, Leyan Hua, Carlos Larriba-Andaluz, Heikki Junninen
Insights into the effect of temperature (T) and relative humidity (RH) as well as structure and polarisation on ion mobility help the comparison and interpretation of mobility and mass-based data. We measured alkylammonium ions in air under different (14 °C, 24 °C, 34 °C and 41 °C) and RH (0 %, 20 %, 40 %) conditions using two individual setups (in both cases a planar differential mobility analyser
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Measurement and analysis of impact dynamic parameters of micron-sized single particles using particle shadow velocimetry J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-27 Zhimin Zheng, Qichao Sun, Ninghao Zhang, Bo Shen, Xinqing Gao, Mingqiang Gao, Junchao Xu
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On the fractal dimension of carbon black particles in pyrolysis flow reactors J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-27 Arash Khabazipur, Nick Eaves
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Characterization of complex particle properties by mobility-classified mass spectrometry – A case study for glutathione capped gold nanoclusters J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-23 Christian Lübbert, Wolfgang Peukert
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Particle tracking schemes for micron particle deposition in a 90° pipe bend and nasal airway geometry J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-21 Patrick Warfield-McAlpine, David F. Fletcher, Kiao Inthavong
Computational studies of micron particle deposition is used to predict inhaled particles through the nasal cavity for understanding drug delivery or toxicology risks. To ensure reliable results in future studies, this study evaluated particle tracking schemes and determined the most appropriate settings for predicting micron particle deposition in a pipe bend and nasal cavity geometry. Micron particles
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A new automatic analysis tool for the determination of primary particle size from electron microscopy images: Application of the Cellpose software J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-17 Sihane Merouane
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On the intricacies of soot volume fraction measurements in counterflow diffusion flames with light extinction: Effects of curtain flow J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-17 Jiwei Zhou, Jianguo Du, Mengxiang Zhou, Yu Wang
Counterflow diffusion flame is an attractive platform for fundamental research on kinetics of soot formation. Accurate determination of soot volume fraction in the flame is a prerequisite for in-depth analysis of the sooting characteristics and assessment of predictive soot models. Light extinction has been proven to be an efficient technique for measuring soot volume fraction thanks to its non-intrusiveness
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Quality control of Lagrangian indoor particle transport simulation: Effects of particle numbers, ventilation strategy, and sampling volume J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-15 Ye Seul Eom, Donghyun Rim
Airborne particle transport in indoor environments plays an important role in occupant exposure to aerosols and public health problems. Several studies have examined indoor airflow and particle transport using computational fluid dynamics models. For the Lagrangian particle tracking model, the minimum particle concentration necessary for accurate prediction may vary with the airflow regime and sampling
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Announcement of the 2023 Journal of Aerosol Science Excellence in Research Award (JASER) Recipient J. Aerosol Sci. (IF 4.5) Pub Date : 2024-02-06 Chris Hogan
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Two-phase hydrodynamics and aerosol mass transfer characterization in pool scrubbing: A simultaneous measurement technique J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-26 Alvaro Ramos Perez, Terttaliisa Lind, Victor Petrov, Annalisa Manera, Horst-Michael Prasser
The bubbling of particle-contaminated gases through a liquid pool, called aerosol scrubbing, is a reliable, robust, and efficient collection technique to retain harmful aerosols from industrial processes or hazardous incidents. In this multiphase mass transfer phenomenon, the two-phase flow mechanics strongly influences the particle transport from the gas in the bubble to the surrounding liquid. The
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Measurements of the thermophoretic force on submicrometer particles in gas mixtures J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-25 Li Li, Sudarshan K. Loyalka, Tomoya Tamadate, Deepak Sapkota, Hui Ouyang, Christopher J. Hogan Jr.
Thermophoresis, i.e. particle migration driven by a thermal energy gradient, has been of long-standing interest in aerosol science, yet is incompletely understood. For instance, for submicrometer particles in multicomponent gas mixtures, theories describing the thermophoretic force have not been fully developed and experimentally tested. Such particles fall outside both the continuum limit, where gas
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Exploration of intra-city and inter-city PM2.5 regional calibration models to improve low-cost sensor performance J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-18 Sakshi Jain, Naomi Zimmerman
Low-cost PM2.5 sensors often suffer from environmental cross-sensitivities, requiring regular calibration across a wide range of concentrations. This is typically achieved by co-locating LCS with regulatory stations and using statistical models. However, this approach becomes challenging in regions with limited regulatory monitoring stations or access. To address this challenge, we explored building
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CFPD-PK simulation of inhaled Delta-9-tetrahydrocannabinol aerosol dynamics: Transport, deposition, and translocation in a mouth-to-G10 subject-specific human airway J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-20 Ted Sperry, Yu Feng, Chen Song, Zhiqiang Shi
Medical cannabis is increasingly used as an alternative therapy for various conditions, including chronic pain, multiple sclerosis, epilepsy, and cancer-related symptoms. However, it is crucial to ensure that patients receive the intended dose of tetrahydrocannabinol (THC) from inhaled cannabis for optimal therapeutic effect without overdose risk. This requires a comprehensive understanding of the
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The effect of electrode composition on bimetallic AgAu nanoparticles produced by spark ablation J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-03 L. Jönsson, M. Snellman, A.C. Eriksson, M. Kåredal, R. Wallenberg, S. Blomberg, A. Kohut, L. Hartman, M.E. Messing
A flexible way to generate bimetallic nanoparticles with high control of their composition is to use spark ablation of alloyed electrodes. It has been generally accepted and stated that particles produced using spark ablation of alloyed electrodes obtain the same chemical composition as the electrodes. However, we identify a lack of studies fully supporting the connection between electrode and particle
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Investigation of aerosol generation through laser cleaning of various surfaces and optimization of mist & spray scavenging J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-02 Avadhesh Kumar Sharma, Ruicong Xu, Zeeshan Ahmed, Shuichiro Miwa, Shunichi Suzuki, Atsushi Kosuge
To ensure the safe and effective decommissioning of the Fukushima Daiichi Nuclear Power Plant (NPP), it is crucial to investigate the behavior of radioactive aerosols generated during the laser decontamination of radiation hot spots and laser cutting of fuel debris. Understanding the generation and dispersion patterns of these aerosols is of utmost importance for the proper planning and execution of
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Microscopic visualization of heterogeneous condensation of water vapor on hydrophilic and hydrophobic particles J. Aerosol Sci. (IF 4.5) Pub Date : 2024-01-01 Li Lv, Xiangcheng Wu, Longfei Chen, Junchao Xu, Guangze Li, Lijuan Qian
Heterogeneous condensation of water vapor on particles is widely used in the fields of atmospheric cloud physics and industrial particulate abatement. Particles surface wettability plays a fundamental role in water vapor condensation, but a microscopic insight of the impact of particles surface wettability on vapor condensation is lacked. Therefore, the Environmental Scanning Electron Microscope (ESEM)
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ML-assisted optimization method for the prediction of 3-dimensional fractal structures from microscopic images J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-29 Abhishek Singh, Saket Kohinkar Kailas, Thaseem Thajudeen
Aggregated aerosol particles released from high temperature processes and combustion processes are often described as quasi-fractal aggregates, where the shape of these particles is represented by the scaling law. A detailed understanding of the morphology is quite important as various properties are strongly dependent on the particle shape. Electron microcopy based image analysis is the most commonly
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Applicability of aethalometers for monitoring diesel particulate matter concentrations and exposure in underground mines J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-27 Hanna Koponen, Kaisu Lukkarinen, Maija Leppänen, Laura Kilpeläinen, Sampsa Väätäinen, Paula Jussheikki, Antti Karjalainen, Joonas Ruokolainen, Pasi Yli-Pirilä, Mika Ihalainen, Marko Hyttinen, Pertti Pasanen, Olli Sippula
Occupational exposure to diesel exhaust is regulated by legislation in Europe owing to its carcinogenic effects on humans. In underground mines, exposure to diesel exhaust requires regular monitoring. In this work, we investigate the usage of aethalometer AE33 and portable micro-aethalometer MA200 to assess occupational exposure to diesel exhaust in two underground mines. These instruments provide
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Study of electro-migration and capture of particles by a charged pendant droplet J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-21 Debabrat Biswal, Bahni Ray, Debabrata Dasgupta, Rochish M. Thaokar, Y.S. Mayya
To understand the particle scavenging mechanisms by charged droplets in air cleaning technologies, we investigate the phenomena of non-incorporation/non-attachment and return/rebound of airborne particles/clusters upon impacting charged droplets. Using high-speed imaging, the motion and fate of particles and clusters lifted from a surface and colliding with a stationary droplet suspended from an electrified
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An experimental study of the effect of individual upper airway anatomical features on the deposition of dry powder inhaler formulations J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-23 Zhaoqi Ma, Liam Milton-McGurk, Patricia Tang, Hak-Kim Chan, Dino Farina, Shaokoon Cheng, Agisilaos Kourmatzis
This study aims to investigate the effects of different pharynx anatomical features on the delivery of inhaled aerosols. Six in-vitro upper airway models reconstructed using anatomical images acquired by Magnetic Resonance Imaging (MRI) were used for the experiments. A geometrically accurate airway model was produced, and five other different airway models, each missing one or more specific anatomical
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The study of optical properties of single soot aggregate using three-dimension soft X-ray tomographic reconstruction J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-21 Zhenhai Qin, Haihui Wang, Yingjie Tang, Chenchong Zhang, Jie Luo, Yuping Sun, Yongming Zhang, Qixing Zhang
The linear depolarization ratio (LDR) is a key parameter used in remote sensing to distinguish particle types. The LDR of the soot fractal model is uneasy to match the measured values. In this paper we used three-dimensional (3D) synchrotron soft X-ray tomography (SXT) for the 3D reconstruction of the toluene-burning soot particles and used discrete dipole approximation to calculate optical properties
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Comparisons of aerosol generation across different musical instruments and loudness J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-20 Jianghan Tian, Henry E. Symons, Natalie A. Watson, Justice Archer, Lauren P. McCarthy, Joshua Harrison, Malcolm Kittle, William J. Browne, Brian Saccente-Kennedy, Ruth Epstein, Christopher M. Orton, James D. Calder, Pallav L. Shah, Declan Costello, Jonathan P. Reid, Bryan R. Bzdek
Respiratory aerosols can serve as vectors for disease transmission, and aerosol emission is highly activity-dependent. COVID-19 severely impacted the performing arts due to concerns about disease spread by respiratory aerosols and droplets generated during singing and playing musical instruments. Aerosol generation from woodwind and brass performance is less understood compared to singing due to uncertainty
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Dilution versus fractionation: Separation technologies hyphenated with spICP-MS for characterizing metallic nanoparticles in aerosols J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-17 Tianyu Cen, Yi-Bo Zhao, Andrea Testino, Jing Wang, Laura Torrent, Christian Ludwig
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Los Angeles Basin's air quality transformation: A long-term investigation on the impacts of PM regulations on the trends of ultrafine particles and co-pollutants J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-12 Mohammad Mahdi Badami, Ramin Tohidi, Constantinos Sioutas
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High-concentration measurements with optical aerosol spectrometers by signal fluctuation analysis J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-11 Lukas Oeser, Nakul Samala, Lars Hillemann, Daniel Göhler, Jan Müller, Claudia Jahn-Wolf, Jens Lienig
Optical aerosol measurement systems can be classified into single-particle counting techniques and ensemble techniques. In single-particle counting instruments, such as optical aerosol spectrometers, each particle is analyzed individually. This allows for the accurate measurement of the number concentration and the size distribution of the measured aerosol. Current aerosol spectrometers suffer from
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The proceeded ammonia release from ammonium nitrate owing to sodium malonate addition: Dependence of RH, acidity and surfactant J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-15 Wei Wang, Fengfeng Dong, Shufeng Pang, Yunhong Zhang
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Neural networks for classification and segmentation of thermally-induced droplet breakup in spray-flame synthesis J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-10 Niklas Jüngst, Veysel Ersoy, Gregory J. Smallwood, Sebastian A. Kaiser
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Optical properties from extinction cross-section of single pollen particles under laboratory-controlled relative humidity J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-08 A. Valenzuela, F.J. García-Izquierdo, G. Sánchez-Jiménez, E. Bazo, J.L. Guerrero-Rascado, P. Cariñanos, L. Alados-Arboledas, F.J. Olmo-Reyes
A growing body of research suggests that pollen suspended in the atmosphere have a major environmental and climatic impact. However, our current knowledge of pollen is rather limited with respect to its extinction capacity, its optical properties and how these vary with atmospheric water content. Understanding their water absorption capacity can improve our understanding of their radiative effects
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Dynamics of unipolar charged particles flowing through a cylindrical tube at high number concentrations J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-05 Akshay Shridhar Kale, Mino Woo, Jacob J. Swanson, Dong-Ha Lim, Adam M. Boies
This work provides a theoretical and non-dimensional numerical analysis of the dynamics of gas-borne unipolar charged particles flowing through a cylindrical tube at high number concentrations. It is discovered that above a threshold input particle number concentration, the concentration at the exit of the tube is nearly constant and independent of further increase in the input. Based on a maximum
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Performance of intraoperative surgical smoke management technologies for laparoscopic surgery: A comparative in-vivo pig study J. Aerosol Sci. (IF 4.5) Pub Date : 2023-12-05 Daniel Göhler, Levon Aslanyan, Kathrin Oelschlägel, Petru Bucur, Jonathan Buggisch, Nadia Azhari, Andreas Rudolph, Sébastien Roger, Michael Stintz, Dirk Bausch, Cédric Demtröder, Mehdi Ouaissi, Urs Giger-Pabst
Background Various technologies exist to remove surgical smoke. Despite high significance in surgical practice, comparative in-vivo performance data are missing. Study design The performance of five smoke management technologies (venting, passive filtering, active filtering, circular filtration, electrostatic precipitation) was analysed in-vivo by three different laparoscopic interventions (cholecystectomy
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Technical note: The Graetz problem at small Peclet number and its application to sizing condensation particle counters J. Aerosol Sci. (IF 4.5) Pub Date : 2023-11-29 Juan Fernandez de la Mora, Francisco J. Higuera
We extend to small Peclet number Pe the familiar high-Pe solution to the Graetz problem of heat/mass transfer in a tube with parabolic flow with a wall temperature discontinuity at an axial position z = 0. Retaining diffusion in the axial direction results only in slight shifts in the eigenfunctions describing the problem. This enables the characterization of the saturation field S by separation of
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Design of a sheathed water condensation particle counter with variable saturation ratio J. Aerosol Sci. (IF 4.5) Pub Date : 2023-11-18 Francisco J. Higuera, Juan Fernandez de la Mora
We consider a particle condensation device where a cold aerosol enters at one open end of a tube. The wall of the tube is porous beyond a certain section. A stream of cold air is injected radially and symmetrically through an initial focusing region of the porous wall, and a stream of warm humid air with a saturation ratio S is injected in a condensation region further downstream. The configuration
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Electrodynamic single-particle trap integrated into double-cavity ring-down spectroscopy for light extinction J. Aerosol Sci. (IF 4.5) Pub Date : 2023-11-07 A. Valenzuela, E. Bazo, R.A. Rica, L. Alados-Arboledas, F.J. Olmo-Reyes
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A simple approach to simulate corona-charged electret filters J. Aerosol Sci. (IF 4.5) Pub Date : 2023-11-11 S. Gautam, A. Kumar, H.V. Tafreshi, B. Pourdeyhimi
This paper presents a novel computational model devised to simulate how different ways of corona-charging a fibrous filter can impact its aerosol collection efficiency. The model assigns different bipolar charges to the fibers in the media based on how the corona-generated negative ions impact these fibers they travel from the corona needles towards the grounded surface underneath the media. The charge
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Corrigendum to “Technical note: Identifying a performance change in the Plantower PMS 5003 particulate matter sensor” [Journal of Aerosol Science 174 (2023) 106256] J. Aerosol Sci. (IF 4.5) Pub Date : 2023-11-08 N. Searle, K. Kaur, K. Kelly
Abstract not available
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Modeling adhesion and aerodynamic removal of particles and spores from substrates J. Aerosol Sci. (IF 4.5) Pub Date : 2023-11-07 Gregory S. Shallcross, William A. Hoey, John R. Anderson, Carlos Soares, Moogega Cooper
During launch operations, mission critical hardware and materials are encapsulated in a fairing prior to deployment. Depressurization can induce particle removal from fairing walls and redistribute them onto the payload. This poses serious challenges for current and future missions. This includes organic, inorganic, and biological material which can contaminate the surrounding environment. Given the
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Corrigendum to “Characterization of adhesion force in aerodynamic particle resuspension” [Journal of Aerosol Science 128 (2019) 89–98] J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-30 Patrick Fillingham, Kalyan Kottapalli, Xiaolin Zhan, Igor V. Novosselov
Abstract not available
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Erratum to “Characterization of adhesion force in aerodynamic particle resuspension” [Journal of Aerosol Science 128 (2019) 89–98] J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-25 Patrick Fillingham, Kalyan Kottapalli, Xiaolin Zhan, Igor V. Novosselov
Abstract not available
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Effect of transient inhalation on powder evacuation and dispersion in a typical dual air inlet dry powder inhaler J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-20 Ajit Kumar, Agisilaos Kourmatzis, Hak-Kim Chan, Shaokoon Cheng, Gajendra Singh
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Preparing dry powder inhalation formulation of salbutamol sulfate using an ultrasonic atomizer device J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-23 Shadi Yaqoubi, Mohaddese Sokuti, Sahand Mazloum-Ravasan, Kofi Asare-Addo, Hamed Hamishehkar, Ali Nokhodchi
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Development of a physics-based method for calibration of low-cost particulate matter sensors and comparison with machine learning models J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-21 Brijal Prajapati, Vishal Dharaiya, Manoranjan Sahu, Chandra Venkatraman, Pratim Biswas, Kajal Yadav, Delwin Pullokaran, Ramya Sunder Raman, Ruqia Bhat, Tanveer Ahmad Najar, Arshid Jehangir
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Rotating disk diluter hyphenated with single particle ICP-MS as an online dilution and sampling platform for metallic nanoparticles characterization in ambient aerosol J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-20 Tianyu Cen, Laura Torrent, Andrea Testino, Christian Ludwig
The application of single particle inductively coupled plasma mass spectrometry (spICP-MS) for online metallic nanoparticles (NPs) characterization in ambient aerosol remains a challenge. In this study, a hyphenated setup consisting of a rotating disk diluter (RDD) with spICP-MS (RDD-spICP-MS) was used for online sampling and characterization NPs in ambient pressure aerosols. The elemental composition
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The effect of the design of the mini cyclonic DPIs on the emitted dose by modelling approach J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-20 Zeyu Li, Zhenbo Tong, Lixing Zhang, Fen Huang, Aibing Yu
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Thermofluid dynamics and droplets transport inside a large university classroom: Effects of occupancy rate and volumetric airflow J. Aerosol Sci. (IF 4.5) Pub Date : 2023-10-14 Andrea Carlo D'Alicandro, Alfonso Capozzoli, Alessandro Mauro
The airborne droplets released by humans while speaking or coughing are the main sources of human-to-human contagion for airborne transmissible diseases. Due to the recent SARS-Cov2 pandemic, indoor transmission in classrooms and other environments is an interesting topic investigated by the scientific community. In this work, the thermofluid dynamic conditions and the droplet transport was analysed