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Coupled CFD analysis of size distributions on indoor secondary organic aerosol derived from ozone/limonene reactions

机译：源自臭氧/柠檬烯反应的室内次生有机气溶胶尺寸分布的CFD耦合分析

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Recently, theoretical analysis and experiment have been initiated to investigate the generation of secondary organic aerosols (SOA) by chemical reactions in indoor air. In particular, it has been confirmed that SOA are generated by the reaction of ozone with various terpenoids. The overarching goal of this work was to better understand ozone, VOC (volatile organic compounds) and generated SOA distributions within rooms. We carried out cylindrical test chamber experiments to measure SOA generation from the chemical reaction of ozone and limonene and discussed numerical models to describe it. In this paper, we propose a method for predicting the particle size distribution of SOA generated by ozone and limonene chemical reactions in air. In particular, we discuss an analytical method that involves a sectional modeling approach governing equations of SOA. Although the changes in particle size distribution in a 40-section model were reproduced to a certain extent, rigorous modeling for the generation and growth of SOA and an increased number of sections are needed for improvement of prediction accuracy.
机译：最近，已经开始进行理论分析和实验，以研究通过室内空气中的化学反应生成次要有机气溶胶（SOA）。特别地，已经证实，SOA是由臭氧与各种萜类化合物的反应产生的。这项工作的总体目标是更好地了解房间内的臭氧，VOC（挥发性有机化合物）和生成的SOA分布。我们进行了圆柱形测试室实验，以测量由臭氧和mon烯的化学反应产生的SOA，并讨论了描述它的数值模型。在本文中，我们提出了一种预测空气中臭氧和柠檬烯化学反应产生的SOA粒度分布的方法。特别是，我们讨论了一种分析方法，该方法涉及控制SOA方程的截面建模方法。尽管在一定程度上可以再现40截面模型中粒度分布的变化，但仍需要对SOA的生成和增长进行严格的建模，并需要增加截面数以提高预测精度。

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