Nanosecond pulse plasma activation of micron‐sized mist droplets

IF 2.9 3区 物理与天体物理 Q2 PHYSICS, APPLIED
Cuntao lan, Yuran Yin, Dawei Liu, Xin Lu
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引用次数: 0

Abstract

Plasma‐activated mist (PAM) has seen increasingly widespread applications in areas such as surface disinfection and fog cultivation. The high‐resolution time diagnostics of ns pulse plasma interacting with micron‐sized droplets under high‐humidity conditions is challenging to achieve with existing experimental methods. This paper employs a global model to study the interaction between plasma and droplets, offering a detailed analysis of the plasma's transition from the gas phase to the liquid phase. It was discovered that in high‐humidity environments, hydrated ions become the predominant ion species. These acidic active substances in PAM droplets are the primary factors in the mist's ability to kill bacteria. The paper further examines how variations in droplet size and discharge voltage influence the PAM's activity.
纳秒脉冲等离子体激活微米级雾滴
等离子体激活雾(PAM)在表面消毒和雾培等领域的应用日益广泛。在高湿度条件下,现有实验方法难以实现 ns 脉冲等离子体与微米级液滴相互作用的高分辨率时间诊断。本文采用全局模型研究等离子体与液滴之间的相互作用,详细分析了等离子体从气相到液相的转变过程。研究发现,在高湿度环境中,水合离子成为最主要的离子种类。PAM 液滴中的这些酸性活性物质是雾气能够杀死细菌的主要因素。论文进一步研究了液滴大小和放电电压的变化如何影响 PAM 的活性。
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来源期刊
Plasma Processes and Polymers
Plasma Processes and Polymers 物理-高分子科学
CiteScore
6.60
自引率
11.40%
发文量
150
审稿时长
3 months
期刊介绍: Plasma Processes & Polymers focuses on the interdisciplinary field of low temperature plasma science, covering both experimental and theoretical aspects of fundamental and applied research in materials science, physics, chemistry and engineering in the area of plasma sources and plasma-based treatments.
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