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Space-Resolved Spectroscopic And Photographic Studies of the Vapor Layer Produced By Arc-Induced Ablation of Polymers
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-6375-6142
INP, Germany.
INP, Germany.
Show others and affiliations
2016 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Utilization of polymers in switching devices is of increasing interest. Therefore, outgassing of polymeric walls (Polyamide PA6 –C6H11ON– and Polyoxymethylene POM –CH2O–) exposed to arc plasmas (fed by 1.9 kA peak AC currents) is investigated. Space-resolved optical emission spectro-scopy complemented with high speed photography is used to investigate the layer of vapour produced by arc-induced ablation of polymers in air. It is found that the vapour layer in front of an ablating polymer strongly scatters light from the arc core, hindering the evaluation of the layer temperature and composition. The measured light right in front of the polymer surface is significant. This signal has a similar optical signature as the arc core although considerably attenuated. It is found that the detected spectra contain a fraction of the arc radiation scattered by large ablated fragments released from the polymer surface. This paper focuses on categorizing the scattering from the vapour layer adjacent to the polymer surface and to estimate the ablated particle sizes.

Place, publisher, year, edition, pages
Nagoya, Japan, 2016. p. 1-4
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-218060OAI: oai:DiVA.org:kth-218060DiVA, id: diva2:1159287
Conference
21st International Conference on Gas Discharges and Their Applications (GD2016)
Funder
StandUpSweGRIDS - Swedish Centre for Smart Grids and Energy Storage, CP18
Note

QC 20171127

Available from: 2017-11-22 Created: 2017-11-22 Last updated: 2017-11-27Bibliographically approved

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CiteExportLink to record
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