Analysis of energy exchanges during the interaction between pulsed lightning arcs and metallic plates
Lightning electrical arcs lead to high temperature and high pressure air plasmas where radiation is a dominant energy transfer mechanism. The aim of this work is to evaluate the energy exchanges during the arc–electrode interaction for metallic plates impacted by pulsed lightning arcs that can reach...
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description | Lightning electrical arcs lead to high temperature and high pressure air plasmas where radiation is a dominant energy transfer mechanism. The aim of this work is to evaluate the energy exchanges during the arc–electrode interaction for metallic plates impacted by pulsed lightning arcs that can reach 100 kA, with a peak time of around 13 μs and a full width at half maximum of 40 μs. Rear surface temperatures are measured with an infrared camera, and an experimental parametric study on current amplitude, material, plate thickness, and arc polarity is performed, with a total of 18 studied configurations. An inverse method using the heat conduction equation and taking into account Joule heating is applied to estimate the incoming heat flux at the plate surface. To compare with experimental results and to analyze the contribution of radiative transfer, calculations of the incoming radiative flux from the arc column on the plate are performed. Experimental time- and space-resolved temperature and pressure distributions of the arc column are used for these computations, which are performed using a line-by-line calculation based on accurate plasma spectroscopic data, in association with a ray tracing method. An energy budget analysis is proposed, and the influence of the different mechanisms is discussed. A transferred energy higher than 300 J is observed for the 100 kA current waveform. The comparisons show that the radiative flux from the arc channel can play an important role in the energy balance at the plate surface. |
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The aim of this work is to evaluate the energy exchanges during the arc–electrode interaction for metallic plates impacted by pulsed lightning arcs that can reach 100 kA, with a peak time of around 13 μs and a full width at half maximum of 40 μs. Rear surface temperatures are measured with an infrared camera, and an experimental parametric study on current amplitude, material, plate thickness, and arc polarity is performed, with a total of 18 studied configurations. An inverse method using the heat conduction equation and taking into account Joule heating is applied to estimate the incoming heat flux at the plate surface. To compare with experimental results and to analyze the contribution of radiative transfer, calculations of the incoming radiative flux from the arc column on the plate are performed. Experimental time- and space-resolved temperature and pressure distributions of the arc column are used for these computations, which are performed using a line-by-line calculation based on accurate plasma spectroscopic data, in association with a ray tracing method. An energy budget analysis is proposed, and the influence of the different mechanisms is discussed. A transferred energy higher than 300 J is observed for the 100 kA current waveform. The comparisons show that the radiative flux from the arc channel can play an important role in the energy balance at the plate surface.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/5.0025616</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Conduction heating ; Conductive heat transfer ; Electric arcs ; Energy ; Energy budget ; Energy transfer ; Engineering Sciences ; Heat exchange ; Heat flux ; High temperature ; Infrared cameras ; Inverse method ; Lightning ; Mathematical analysis ; Metal plates ; Ohmic dissipation ; Physics ; Plasmas (physics) ; Radiative transfer ; Ray tracing ; Resistance heating ; Waveforms</subject><ispartof>Journal of applied physics, 2020-12, Vol.128 (22)</ispartof><rights>Author(s)</rights><rights>2020 Author(s). 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The aim of this work is to evaluate the energy exchanges during the arc–electrode interaction for metallic plates impacted by pulsed lightning arcs that can reach 100 kA, with a peak time of around 13 μs and a full width at half maximum of 40 μs. Rear surface temperatures are measured with an infrared camera, and an experimental parametric study on current amplitude, material, plate thickness, and arc polarity is performed, with a total of 18 studied configurations. An inverse method using the heat conduction equation and taking into account Joule heating is applied to estimate the incoming heat flux at the plate surface. To compare with experimental results and to analyze the contribution of radiative transfer, calculations of the incoming radiative flux from the arc column on the plate are performed. Experimental time- and space-resolved temperature and pressure distributions of the arc column are used for these computations, which are performed using a line-by-line calculation based on accurate plasma spectroscopic data, in association with a ray tracing method. An energy budget analysis is proposed, and the influence of the different mechanisms is discussed. A transferred energy higher than 300 J is observed for the 100 kA current waveform. The comparisons show that the radiative flux from the arc channel can play an important role in the energy balance at the plate surface.</description><subject>Applied physics</subject><subject>Conduction heating</subject><subject>Conductive heat transfer</subject><subject>Electric arcs</subject><subject>Energy</subject><subject>Energy budget</subject><subject>Energy transfer</subject><subject>Engineering Sciences</subject><subject>Heat exchange</subject><subject>Heat flux</subject><subject>High temperature</subject><subject>Infrared cameras</subject><subject>Inverse method</subject><subject>Lightning</subject><subject>Mathematical analysis</subject><subject>Metal plates</subject><subject>Ohmic dissipation</subject><subject>Physics</subject><subject>Plasmas (physics)</subject><subject>Radiative transfer</subject><subject>Ray tracing</subject><subject>Resistance heating</subject><subject>Waveforms</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqdkEFLwzAYhoMoOKcH_0HAk0Jn0qRJcxxDnTDwoueQpV-3jC6tSTbdv7dlQ--ePnh5eOB7ELqlZEKJYI_FhJC8EFScoRElpcpkUZBzNOpXmpVKqkt0FeOGEEpLpkYIpt40h-gibmsMHsLqgOHbro1fQcTVLji_wmkN2PkEwdjkWo-XkL4APO52TYQKN261Tn4ATbARG1_hLSTTNM7irjEJ4jW6qE3P3pzuGH08P73P5tni7eV1Nl1kluUiZbJWQnDJiFzmRa6kJbQCRblV3CiwFkRZ5SxnXDAKjPNSEqv6_1hdV0tRV2yM7o_etWl0F9zWhINujdPz6UIPG-ndvJB8T3v27sh2of3cQUx60-5CXyPqnItSSiZU8We0oY0xQP2rpUQPxXWhT8V79uHIRuuSGUr9D9634Q_UXVWzH-4Ijks</recordid><startdate>20201214</startdate><enddate>20201214</enddate><creator>Sousa Martins, R.</creator><creator>Rivière, Ph</creator><creator>Zaepffel, C.</creator><creator>Passilly, F.</creator><creator>Soufiani, A.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-3733-6988</orcidid><orcidid>https://orcid.org/0000-0003-1542-7755</orcidid></search><sort><creationdate>20201214</creationdate><title>Analysis of energy exchanges during the interaction between pulsed lightning arcs and metallic plates</title><author>Sousa Martins, R. ; Rivière, Ph ; Zaepffel, C. ; Passilly, F. ; Soufiani, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c326t-7f96647307b25297c01de914c94a9ecce68d23234631e344870c95503ffdb6fd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applied physics</topic><topic>Conduction heating</topic><topic>Conductive heat transfer</topic><topic>Electric arcs</topic><topic>Energy</topic><topic>Energy budget</topic><topic>Energy transfer</topic><topic>Engineering Sciences</topic><topic>Heat exchange</topic><topic>Heat flux</topic><topic>High temperature</topic><topic>Infrared cameras</topic><topic>Inverse method</topic><topic>Lightning</topic><topic>Mathematical analysis</topic><topic>Metal plates</topic><topic>Ohmic dissipation</topic><topic>Physics</topic><topic>Plasmas (physics)</topic><topic>Radiative transfer</topic><topic>Ray tracing</topic><topic>Resistance heating</topic><topic>Waveforms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sousa Martins, R.</creatorcontrib><creatorcontrib>Rivière, Ph</creatorcontrib><creatorcontrib>Zaepffel, C.</creatorcontrib><creatorcontrib>Passilly, F.</creatorcontrib><creatorcontrib>Soufiani, A.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sousa Martins, R.</au><au>Rivière, Ph</au><au>Zaepffel, C.</au><au>Passilly, F.</au><au>Soufiani, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of energy exchanges during the interaction between pulsed lightning arcs and metallic plates</atitle><jtitle>Journal of applied physics</jtitle><date>2020-12-14</date><risdate>2020</risdate><volume>128</volume><issue>22</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><coden>JAPIAU</coden><abstract>Lightning electrical arcs lead to high temperature and high pressure air plasmas where radiation is a dominant energy transfer mechanism. The aim of this work is to evaluate the energy exchanges during the arc–electrode interaction for metallic plates impacted by pulsed lightning arcs that can reach 100 kA, with a peak time of around 13 μs and a full width at half maximum of 40 μs. Rear surface temperatures are measured with an infrared camera, and an experimental parametric study on current amplitude, material, plate thickness, and arc polarity is performed, with a total of 18 studied configurations. An inverse method using the heat conduction equation and taking into account Joule heating is applied to estimate the incoming heat flux at the plate surface. To compare with experimental results and to analyze the contribution of radiative transfer, calculations of the incoming radiative flux from the arc column on the plate are performed. Experimental time- and space-resolved temperature and pressure distributions of the arc column are used for these computations, which are performed using a line-by-line calculation based on accurate plasma spectroscopic data, in association with a ray tracing method. An energy budget analysis is proposed, and the influence of the different mechanisms is discussed. A transferred energy higher than 300 J is observed for the 100 kA current waveform. The comparisons show that the radiative flux from the arc channel can play an important role in the energy balance at the plate surface.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0025616</doi><tpages>18</tpages><orcidid>https://orcid.org/0000-0002-3733-6988</orcidid><orcidid>https://orcid.org/0000-0003-1542-7755</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Applied physics Conduction heating Conductive heat transfer Electric arcs Energy Energy budget Energy transfer Engineering Sciences Heat exchange Heat flux High temperature Infrared cameras Inverse method Lightning Mathematical analysis Metal plates Ohmic dissipation Physics Plasmas (physics) Radiative transfer Ray tracing Resistance heating Waveforms |
title | Analysis of energy exchanges during the interaction between pulsed lightning arcs and metallic plates |
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