Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves

Acoustics can cause particles/droplets to agglomerate in the air medium, thereby accelerating gravity sedimentation. To assess the microphysical characteristics and environmental isotope effects of micro-droplet groups under the action of acoustic waves, an air chamber experimental platform was esta...

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Autores principales:	Wenwen Bai, Jiahua Wei, Yang Shi, Zhifeng Zhao, Qiong Li
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	particle size isotope exchange equation environmental water vapor trigger effect Meteorology. Climatology QC851-999
Acceso en línea:	https://doaj.org/article/44474422744245608900d69a8995a015
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spelling	oai:doaj.org-article:44474422744245608900d69a8995a0152021-11-25T16:45:29ZMicrophysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves10.3390/atmos121114882073-4433https://doaj.org/article/44474422744245608900d69a8995a0152021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4433/12/11/1488https://doaj.org/toc/2073-4433Acoustics can cause particles/droplets to agglomerate in the air medium, thereby accelerating gravity sedimentation. To assess the microphysical characteristics and environmental isotope effects of micro-droplet groups under the action of acoustic waves, an air chamber experimental platform was established, and 100 groups of controlled experiments were conducted. The characteristic particle size, size spectrum, isotope values, corresponding linear relationships with hydrogen and oxygen, and <i>d</i> values were analyzed. The isotope exchange equation between the micro-droplet groups and environmental water vapor inside the air chamber was investigated. The results showed that the peak size values of the micro-droplet groups increased under the action of acoustic waves. The characteristic particle size (<i>D</i><sub>90</sub>) showed a “trigger effect” with the acoustic operation with a positive deviation in the size spectrum and isotope exchange between the micro-droplet groups and environmental water vapor. The relative variations in theoretical values for different sedimentation conditions were consistent with those of the experimental results. Environment isotopes could be used to trace the acoustic agglomeration process of micro-droplets in the future.Wenwen BaiJiahua WeiYang ShiZhifeng ZhaoQiong LiMDPI AGarticleparticle sizeisotope exchange equationenvironmental water vaportrigger effectMeteorology. ClimatologyQC851-999ENAtmosphere, Vol 12, Iss 1488, p 1488 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	particle size isotope exchange equation environmental water vapor trigger effect Meteorology. Climatology QC851-999
spellingShingle	particle size isotope exchange equation environmental water vapor trigger effect Meteorology. Climatology QC851-999 Wenwen Bai Jiahua Wei Yang Shi Zhifeng Zhao Qiong Li Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves
description	Acoustics can cause particles/droplets to agglomerate in the air medium, thereby accelerating gravity sedimentation. To assess the microphysical characteristics and environmental isotope effects of micro-droplet groups under the action of acoustic waves, an air chamber experimental platform was established, and 100 groups of controlled experiments were conducted. The characteristic particle size, size spectrum, isotope values, corresponding linear relationships with hydrogen and oxygen, and <i>d</i> values were analyzed. The isotope exchange equation between the micro-droplet groups and environmental water vapor inside the air chamber was investigated. The results showed that the peak size values of the micro-droplet groups increased under the action of acoustic waves. The characteristic particle size (<i>D</i><sub>90</sub>) showed a “trigger effect” with the acoustic operation with a positive deviation in the size spectrum and isotope exchange between the micro-droplet groups and environmental water vapor. The relative variations in theoretical values for different sedimentation conditions were consistent with those of the experimental results. Environment isotopes could be used to trace the acoustic agglomeration process of micro-droplets in the future.
format	article
author	Wenwen Bai Jiahua Wei Yang Shi Zhifeng Zhao Qiong Li
author_facet	Wenwen Bai Jiahua Wei Yang Shi Zhifeng Zhao Qiong Li
author_sort	Wenwen Bai
title	Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves
title_short	Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves
title_full	Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves
title_fullStr	Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves
title_full_unstemmed	Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves
title_sort	microphysical characteristics and environmental isotope effects of the micro-droplet groups under the action of acoustic waves
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/44474422744245608900d69a8995a015
work_keys_str_mv	AT wenwenbai microphysicalcharacteristicsandenvironmentalisotopeeffectsofthemicrodropletgroupsundertheactionofacousticwaves AT jiahuawei microphysicalcharacteristicsandenvironmentalisotopeeffectsofthemicrodropletgroupsundertheactionofacousticwaves AT yangshi microphysicalcharacteristicsandenvironmentalisotopeeffectsofthemicrodropletgroupsundertheactionofacousticwaves AT zhifengzhao microphysicalcharacteristicsandenvironmentalisotopeeffectsofthemicrodropletgroupsundertheactionofacousticwaves AT qiongli microphysicalcharacteristicsandenvironmentalisotopeeffectsofthemicrodropletgroupsundertheactionofacousticwaves
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Microphysical Characteristics and Environmental Isotope Effects of the Micro-Droplet Groups under the Action of Acoustic Waves

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