Comparison of discrete, discrete-sectional, modal and moment models for aerosol dynamics simulations
| Autor: | Sukrant Dhawan, Zhichao Li, Girish Sharma, David Dhanraj, Huang Zhang, Pratim Biswas |
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| Rok vydání: | 2020 |
| Předmět: |
010504 meteorology & atmospheric sciences
Dynamics (mechanics) Open source software Mechanics 010501 environmental sciences 01 natural sciences Pollution Aerosol Moment (mathematics) Modal Environmental Chemistry Environmental science General Materials Science Air quality index Physics::Atmospheric and Oceanic Physics 0105 earth and related environmental sciences |
| DOI: | 10.6084/m9.figshare.11778777 |
| Popis: | An open source software (Aerosol and Air Quality Research Lab-Aerosol Dynamics Model, AAQRL-ADM) used for aerosol dynamics simulations is developed by including four models: discrete, discrete-sectional, method of moments, and modal. First, the mathematical description of these models as well as the effects of aerosol dynamics available in the software are reviewed, and a modal model is developed to use multiple modes to represent particle size spectrum. Second, the design of a working principle and user graphical interface (GUI) of AAQRL-ADM is described. Third, the models in AAQRL-ADM are validated by investigating the evolution of particle size distribution (PSD) in considering the effects of coagulation, condensation, and nucleation. Next, the trade-off between simulation accuracy and numerical efficiency is discussed for all of the four models, and a guide to choosing the appropriate aerosol dynamic model in practical simulation is presented. Finally, discrete-sectional, moment, and modal models are used to investigate the particle size distribution in a furnace aerosol reactor along a streamline, coupled with the velocity and temperature profiles. AAQRL-ADM is provided free of charge for the use of public researchers. Copyright © 2020 American Association for Aerosol Research |
| Databáze: | OpenAIRE |
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