结合计算流体动力学的逸度模型用于分析室内喷洒杀虫剂的行为

IF 1.5 4区 农林科学 Q2 ENTOMOLOGY Journal of Pesticide Science Pub Date : 2023-01-01 DOI:10.1584/jpestics.d23-011
Sayuri Tanaka, Yoshihide Matoba, Hiroaki Kondo, Tomohiko Ihara
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引用次数: 0

摘要

逸度模型被广泛用于预测化学物质在含有多种介质(如空气、沉积物、土壤和水)的环境中随时间变化的行为。然而,这些逸度模型是在假设每种介质中化学物质的浓度是均匀的前提下工作的,因此它们不能描述化学物质的空间分布。我们开发了一种新的逸度模型,称为InPestCFD,它结合了计算流体动力学来描述介质中化学物质的时间依赖性分布和空间分布。InPestCFD用于计算室内气溶胶罐中释放的杀虫剂的行为。通过计算流体力学和拉格朗日色散模型计算了室内气流和气溶胶颗粒的行为。使用逸度模型计算杀虫剂在介质(气溶胶颗粒、空气、天花板、地板和墙壁)之间的迁移。杀虫剂在介质中的时空分布与实测结果吻合较好。
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Fugacity model incorporating computational fluid dynamics for analyzing the behavior of an insecticide sprayed indoors
Fugacity models are used widely to predict the time-dependent behaviors of chemicals in environments containing several media (e.g., air, sediment, soil, and water). However, these fugacity models work on the assumption that the concentration of a chemical in each medium is uniform, so they cannot describe the spatial distribution of the chemical. We developed a new fugacity model, termed InPestCFD, incorporating computational fluid dynamics to describe both the time-dependent distribution and the spatial distribution of a chemical in a medium. InPestCFD was used to calculate the behavior of an insecticide released from an aerosol canister in a room. Indoor airflow and aerosol particle behavior were calculated via computational fluid dynamics and using a Lagrangian dispersion model. Transport of the insecticide among media (aerosol particles, air, ceiling, floor, and walls) was calculated using the fugacity model. The time-dependent distributions and spatial distributions of the insecticide in the media agreed well with real measurements.
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来源期刊
Journal of Pesticide Science
Journal of Pesticide Science 农林科学-昆虫学
CiteScore
4.30
自引率
4.20%
发文量
28
审稿时长
18-36 weeks
期刊介绍: The Journal of Pesticide Science publishes the results of original research regarding the chemistry and biochemistry of pesticides including bio-based materials. It also covers their metabolism, toxicology, environmental fate and formulation.
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