Experimental and Numerical Study on Polymer Ablated Arc Characteristics with One Side Flow Outlet Model

IF 2.6 3区物理与天体物理 Q3 ENGINEERING, CHEMICAL Plasma Chemistry and Plasma Processing Pub Date : 2024-02-06 DOI:10.1007/s11090-024-10451-1

Yusuke Nakano, Yasunori Tanaka, Tatsuo Ishijima

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Abstract

An experimental and numerical study was conducted on the polymer ablated arc with an electrode configuration of a one-side gas flow outlet model. The polymers used for molded case circuit breaker and gas circuit breaker, such as PA6, POM, and PTFE, were compared. In the experiment, the polymer ablated arc characteristics of arc voltage, arc energy, and mass loss of polymer by ablation were measured. In the numerical calculation, an electromagnetic thermofluid simulation for polymer ablated arc was conducted using a calculation model of similar structure but without using empirical values. In the model used, the polymer ablation was treated as the pyrolytic ablation rather the photodegraded ablation because the arc plasma was definitely in contact with the polymer. The comparison of both experiment and numerical simulation results revealed the relationship between arc energy and mass loss of polymer by ablation, and these values agreed well. Therefore, the numerical simulation model with pyrolytic ablation developed was indicated to be valid for predicting the polymer ablated arc with plasma-polymer contact.

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单侧流出口模型下聚合物烧蚀电弧特性的实验和数值研究

对单侧气体流出口模型电极配置的聚合物烧蚀电弧进行了实验和数值研究。比较了用于塑壳断路器和气体断路器的聚合物，如 PA6、POM 和 PTFE。在实验中，测量了聚合物烧蚀电弧的特性，包括电弧电压、电弧能量和聚合物烧蚀的质量损失。在数值计算中，使用了结构相似但不使用经验值的计算模型，对聚合物烧蚀电弧进行了电磁热流体模拟。在所使用的模型中，聚合物烧蚀被视为热解烧蚀，而不是光降解烧蚀，因为电弧等离子体肯定与聚合物接触。实验结果和数值模拟结果的对比显示了电弧能量和聚合物烧蚀质量损失之间的关系，这些值非常吻合。因此，所建立的热解烧蚀数值模拟模型可用于预测等离子体与聚合物接触的聚合物烧蚀电弧。

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来源期刊

Plasma Chemistry and Plasma Processing 工程技术-工程：化工

CiteScore

5.90

自引率

8.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Publishing original papers on fundamental and applied research in plasma chemistry and plasma processing, the scope of this journal includes processing plasmas ranging from non-thermal plasmas to thermal plasmas, and fundamental plasma studies as well as studies of specific plasma applications. Such applications include but are not limited to plasma catalysis, environmental processing including treatment of liquids and gases, biological applications of plasmas including plasma medicine and agriculture, surface modification and deposition, powder and nanostructure synthesis, energy applications including plasma combustion and reforming, resource recovery, coupling of plasmas and electrochemistry, and plasma etching. Studies of chemical kinetics in plasmas, and the interactions of plasmas with surfaces are also solicited. It is essential that submissions include substantial consideration of the role of the plasma, for example, the relevant plasma chemistry, plasma physics or plasma–surface interactions; manuscripts that consider solely the properties of materials or substances processed using a plasma are not within the journal’s scope.