Advances in Aerosol Instrumentation for Atmospheric Science

Doctoral thesis (2020)

Authors

K. Barmpounis ChemE/Materials for Energy Conversion and Storage - AS
Research Group
ChemE/Materials for Energy Conversion and Storage (AS) (TU Delft)
Copyright: © 2020 K. Barmpounis
DOI
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https://doi.org/10.4233/uuid:5594067b-1646-46b1-a3d0-95aec9f5af7a
Heterogeneous nucleation Aerosol instrumentation Condensation particle counter Differential mobility analyzer Sign-preference in ion-induced nucleation
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Published Date

2020

Language

English

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Faculty

Applied Sciences

Department

ChemE/Chemical Engineering

Research Group

ChemE/Materials for Energy Conversion and Storage

Abstract

nderstanding the processes related to particle formation in the atmosphere is crucial in order to quantify more accurately their effect on climate. New particle formation is a global scale phenomenon, through which significant amounts of new particles are introduced in the atmosphere. A main mechanism of new particle formation is ion-induced nucleation, where vapor molecules nucleate on pre-existing atmospheric ions. It follows that in order to understand the mechanism of ion-induced nucleation, research must be focused on the very first steps of formation which normally lay in the sub-2nm size range. The work of this thesis is focused on facilitating the research on new particle formation by advancing the instrumentation state-of-the-art, but also performing experimental work on the dynamics of ion-induced nucleation.