Conference Topics

We invite abstracts for contributed podium and poster style presentations on any aerosol science topic. Abstracts will be sorted by the European Aerosol Assembly (EAA) Working Groups (WGs) as well as the Chairs of the Special Sessions. Hence, you will need to identify which WG or Special Session best fits your work.  For those submitting within a WG area, you will also need to pick a suitable subtopic.  We will use this information to guide the reviewing process and the formation of the programme. Submit your abstract using the template.

  • WG 1: Aerosol Technology

    Chair: Adam Boies

    Aerosol technology includes the research and development fields ranging from conventional areas such as emission control, filtration and powder technology, to more recent ones such as advances in functional nanomaterials and Industry4.0 systems. Specific sub-topics could be but are not limited to: Material synthesis and structuring via aerosol/gas phase processes. Functional nanomaterials, e.g. coating and surface modification of nanoparticles. Nanostructured materials from aerosols including also films and coatings by aerosol deposition. Scaling-up: from lab-scale to industrial production via aerosol processing. Filtration and gas cleaning technologies. Electrical Phenomena. Charging and electrical effects. Electrosprays. Industrial and high temperature aerosols. Combustion aerosols and related emission control e.g. in the transport and energy sector.

    Subtopics (responsible person)
    1. Synthesis, structuring and applications of functional nanoparticles (Georgios Sotiriou)
    2. Nanoparticle surface modification, deposition and thin film formation (Ismael Ortega)
    3. Process analysis and monitoring (Georgios Kelesidis)
    4. Transportation aerosol emissions and control technologies combustion aerosols from vehicles, airplanes and ships (Michal Vojtisek-Lom)
    5. Electrical effects including electrosprays and electric discharges (Luewton Lemos F. Agostinho)
    6. High temperature aerosols and biomass combustion (José Morán)
    7. Filtration for functional materials, combustion and industrial aerosols (Mohsen Kazemimanesh)
    8. Aerosol and emissions standards (Anne Maisser)
  • WG 2: Atmospheric Aerosol Studies

    Chair: Ana Kroflič

    Ambient aerosols are recognized to have important impacts on the ecosystem, human health and climate change. However, aerosol formation and aging mechanisms, as well as a number of related atmospheric processes are not well understood. Of our main interest are physical, chemical, and optical properties of ambient aerosols and their mimics, including time-resolved investigations of the complex multiphase system and aerosol modelling. We aim to provide better insight, new aspects and knowledge on the lifecycle of atmospheric aerosol particles, with an emphasis on their roles in cloud formation and Earth’s radiative balance.

    The Atmospheric Aerosol Studies working group is an interdisciplinary scientific forum that strives for the scientific exchange and the highest-level scientific discussions within the wide atmospheric aerosol science community. We warmly welcome contributions from field as well as aerosol chamber, laboratory, and modelling studies considering any aspect of atmospheric aerosols and their processing.

    Subtopics (responsible person)
    1. Aerosols and clouds in polar regions (Julia Schmale)
    2. Aerosol-cloud-interaction in warm, mixed-phase and ice clouds (Silvia Henning)
    3. New particle formation (Jenni Kontkanen)
    4. Homogeneous, heterogeneous and multiphase chemistry, secondary aerosols (Ana Kroflič)
    5. Transport of atmospheric aerosols, modelling and climate forcing (Ulas Im)
    6. Molecular characterization of atmospheric aerosols (Christopher Kampf)
    7. Chemical characterization of carbonaceous aerosols (James Allan)
    8. Sources and source apportionment of atmospheric aerosols (Daniele Contini)
    9. Optical properties, remote sensing, black and brown carbon (Luca Ferrero)
    10. Physico-chemical properties of atmospheric aerosols (Jack Lin)
  • WG 3: Aerosol Measurement Techniques

    Chair: Christof Asbach

    The Topic of Aerosol Measurement Techniques covers all aspects related to the measurement of aerosol and their properties and the evaluation of the resulting data. These techniques cover a very wide range of applications, including atmospheric, workplace, and process aerosols.

    1. Instrument and sampler calibration and performance evaluation
    2. Instrumentation for physical aerosol characterization
    3. Instrumentation for chemical aerosol characterization
    4. Instrumentation for biological aerosol characterization
    5. Novel measurement principles and new instrumentation
    6. Miniaturized and low cost instrumentation
    7. Comparison of different measurement methods
    8. Measurement techniques for combustion aerosols
    9. Implementation of existing measurement methods and instruments for novel studies
    10. Interpretation of data
  • WG 4: Aerosols and Health

    Chair: Mar Viana

    ​Many aerosols lead to adverse health effects while others have therapeutic uses; thus aerosols and health are closely linked. Understanding the relationships between exposure and effects is key to understanding and mitigating health impacts.

    The Working Group warmly promotes and facilitates interdisciplinary communications to exchange information in diverse fields such as physics, chemistry, medicine, biology, pharmacy, toxicology, epidemiology, exposure science, engineering, and others.

    1. Exposure: sources, levels and assessment techniques
    2. Human exposure and health studies
    3. Health-relevant aerosols and their characteristics
    4. Bioaerosols and allergens
    5. Biological and toxicological responses
    6. Health effects of aerosols
    7. Medical and therapeutic applications
    8. Respiratory tract uptake, translocation and clearance
    9. Exposure in specific microenvironments
    10. Occupational exposures
  • WG 5: Basic Aerosol Processes (BAP)

    Chair: Jonas Elm

    The lack of fundamental understanding of the processes that govern aerosol formation and growth causes tremendous uncertainties in the predictions of macroscopic aerosol behavior, such as nanoparticle characteristics, optical properties, aerosol-cloud interactions, and the effect of atmospheric aerosols on global climate estimations. These uncertainties in aerosol chemistry and dynamics may be addressed by modelling and/or simulations at various length and time scales from the atomistic (quantum chemistry, molecular dynamics) all the way up to the continuum level (computational fluid dynamics, population balance equations). The basic aerosol processes working group is targeting these processes as well as focusing on a broader fundamental understanding of aerosol properties and dynamics that would have impact in other areas such as aerosol technology.

    The BAP working group welcome all contributions to basic aerosol science that relate to aerosol physics and chemistry, modelling, simulations and fundamental research into aerosol and material properties.

    1. Smog chamber and flowtube simulations and experiments (Jonas Elm)
    2. Quantum chemical calculation of aerosol formation and gas-phase kinetics (Jonas Elm)
    3. Molecular dynamics (Ian Ford/Eirini Goudeli)
    4. Nucleation and growth (Ian Ford)
    5. Aerosol growth and evaporation, agglomeration, fragmentation, and filtration (Eirini Goudeli/Yannis Drossinos)
    6. Interaction between aerosols and surfaces (Eirini Goudeli)
    7. Aerosol transport properties and fluid dynamics (Yannis Drossinos /Ian Ford)
    8. Aerosol optical properties (Yannis Drossinos)
  • Special Session: Aerosols and COVID-19

    Lead Chairs: David Broday and Roland Schrödner

    Chairs: Jenni Kontkanen, Sari Budisulistiorini and MariCruz Minguillón

    The COVID-19 pandemic has disrupted our way of life for more than a year. In the early days the focus was on fomite transmission, but it has now become clear that aerosol particles play a key (and possibly dominant) role in the disease’s spread. This special session aims to provide an overview of research on the various aspects of the role of aerosol particles in understanding COVID-19 spread and its connections to indoor and ambient air quality and health. This includes research on the aerosol-based spread of the disease (e.g., aerosol emission, lifetime, exposure), the efficiency of measures to prevent it (e.g., masks, filtering, ventilation, deactivation), and the effect of lockdowns and social distancing on ambient air quality. Both observational and modelling studies are welcome.

    Keynote speaker: Prof. Jose-Luis Jimenez

  • Special Session: Molecular Dynamics Simulations of Aerosols

    Chair: Eirini Goudeli (University of Melbourne)

    Molecular dynamics simulations are a powerful tool to obtain insight into the characteristics and properties of atmospheric and engineered aerosol particles at the atomistic level. Such simulations also offer the possibility to study particle-particle and particle-fluid interactions to unravel the particle microscopic dynamics in the environment. Molecular dynamics have been applied to numerous topics, including ice nucleation, soot formation, spatial distribution of compounds in particles, properties of nanocomposites as well as general nucleation and growth of particles.

    This special session will consider contributions related to the application of molecular dynamics simulations in aerosol science and nanoparticle technology and aims to provide an overview on how atomistic simulations can provide input to larger length and time scale models and experiments.

    Keynote speaker: Hanna Vehkamäki (University of Helsinki)

  • Special Session: Oxidative Potential of Aerosol Particles

    Chairs: Pourya Shahpoury (Environment and Climate Change Canada), Andrea Arangio (École Polytechnique Fédérale de Lausanne), Athanasios Nenes (École Polytechnique Fédérale de Lausanne and Foundation for Research and Technology Hellas)

    It is well established that population exposure to air pollution leads to premature mortality from respiratory, cardiovascular and other diseases. Mounting evidence suggests that main toxicological pathways follow the induction of respiratory oxidative stress upon inhalation of air pollutants by formation of reactive oxygen species (ROS) in the lung. Oxidative Potential (OP) is used as a metric for the potential of species in aerosol to deplete the lung antioxidants and form ROS. Establishing the relationships between aerosol sources and chemical composition, exposure pathways biochemical mechanisms, and health outcomes is key for risk assessment of air pollutants. This session provides a platform for international experts to share their research on the role of OP in the adverse health outcomes of air pollution exposure. Submission topic could include: OP of indoor and outdoor aerosols, application of acellular/cellular OP assays, OP and its relation to aerosol chemical and physical characteristics and emission sources.

    Keynote speaker: Rodney Weber (Gorgia Tech)

  • Special Session: Atmospheric Ice Nucleation and Climate

    Chairs: Cyril Brunner (ETH, Zürich) Ellen Gute (Natural Sciences and Engineering Research Council of Canada)

    A better understanding of ice production and processes in clouds is needed to improve weather and climate models. A key step in addressing this challenge is linking primary ice production in models to the ice-nucleating ability of atmospheric aerosol particles. However, our understanding of the global distribution of ice-nucleating particles, their sources, transport, processing and sinks, as well as their activity relevant for cirrus and mixed-phase clouds (from 0 to ~-80°C) is in its infancy.

    This special session provides a platform to present and discuss field, laboratory, theoretical and modelling studies related to natural and anthropogenic ice-nucleating particles. It may also extend to the use of ice-nucleating particles in weather and climate modification. Ultimately, the session will help to identify future research directions and advance the research area, thus improving our understanding of aerosol-cloud interactions.

    Keynote speaker: Trude Storelvmo, University of Oslo

  • Special Session: Aviation Emissions, Pollution and Climate

    Chairs: Paul Williams (University of Manchester) and Ismael Ortega (ONERA, France)

    Aviation emissions contribute to the formation of contrail cirrus clouds which can ultimately affect the climate. Aircraft emissions also contribute to local and global air pollution. Despite the widespread prevalence of air-traffic in our society, the magnitude of climate and health effects due to aviation emissions are largely unknown or uncertain because available data is sparse. This special session aims to provide an overview of the international research efforts on aviation emissions at cruise conditions and the effects of contrails, aircraft engine emissions on the ground, effects of sustainable and alternative fuels on aviation emissions, standards and new regulations related to aviation emissions, air quality and particulate matter emissions at airports, and health effects of aviation emissions. Both observational and modelling studies are welcome.

    Keynote speaker: To be announced