Resonant mode for a dc plasma spray torch by means of pressure-voltage coupling: application to synchronized liquid injection
Identifieur interne : 004C98 ( Main/Exploration ); précédent : 004C97; suivant : 004C99Resonant mode for a dc plasma spray torch by means of pressure-voltage coupling: application to synchronized liquid injection
Auteurs : J. Krowka [France] ; V. Rat [France] ; J. F. Coudert [France]Source :
- Journal of physics. D, Applied physics : (Print) [ 0022-3727 ] ; 2013.
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- Pascal (Inist)
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Abstract
Electric arc instabilities in dc plasma torches result in non-homogeneous treatment of nanosized solid particles injected into the plasma jets. In the particular case of suspension plasma spraying, large discrepancies in the particles trajectories and thermal histories make the control of coating properties more difficult to achieve. In this paper, a new approach of arc dynamics highlights the existence of different resonant modes and the possibility of their coupling. This study leads us to design a special plasma torch working in a very regular pulsed regime. Then, an innovative injection system based on the drop-on-demand method synchronized with the plasma oscillations is presented as an efficient method to control the dynamics of plasma/particles interactions.
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Rat</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>CNRS, University of Limoges, SPCTS UMR7315, European Ceramic Centre 12 rue Atlantis 87068 Limoges cedex</s1><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Coudert, J F" sort="Coudert, J F" uniqKey="Coudert J" first="J. F." last="Coudert">J. F. Coudert</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>CNRS, University of Limoges, SPCTS UMR7315, European Ceramic Centre 12 rue Atlantis 87068 Limoges cedex</s1><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">13-0276430</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0276430 INIST</idno><idno type="RBID">Pascal:13-0276430</idno><idno type="wicri:Area/PascalFrancis/Corpus">000876</idno><idno type="wicri:Area/PascalFrancis/Curation">005610</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000669</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000669</idno><idno type="wicri:doubleKey">0022-3727:2013:Krowka J:resonant:mode:for</idno><idno type="wicri:Area/Main/Merge">004E43</idno><idno type="wicri:Area/Main/Curation">004C98</idno><idno type="wicri:Area/Main/Exploration">004C98</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Resonant mode for a dc plasma spray torch by means of pressure-voltage coupling: application to synchronized liquid injection</title><author><name sortKey="Krowka, J" sort="Krowka, J" uniqKey="Krowka J" first="J." last="Krowka">J. Krowka</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>CNRS, University of Limoges, SPCTS UMR7315, European Ceramic Centre 12 rue Atlantis 87068 Limoges cedex</s1><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Rat, V" sort="Rat, V" uniqKey="Rat V" first="V." last="Rat">V. Rat</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>CNRS, University of Limoges, SPCTS UMR7315, European Ceramic Centre 12 rue Atlantis 87068 Limoges cedex</s1><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Coudert, J F" sort="Coudert, J F" uniqKey="Coudert J" first="J. F." last="Coudert">J. F. Coudert</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>CNRS, University of Limoges, SPCTS UMR7315, European Ceramic Centre 12 rue Atlantis 87068 Limoges cedex</s1><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal of physics. D, Applied physics : (Print)</title><title level="j" type="abbreviated">J. phys., D. Appl. phys. : (Print)</title><idno type="ISSN">0022-3727</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of physics. D, Applied physics : (Print)</title><title level="j" type="abbreviated">J. phys., D. Appl. phys. : (Print)</title><idno type="ISSN">0022-3727</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Coatings</term><term>Design</term><term>Electric arcs</term><term>Plasma interactions</term><term>Plasma jets</term><term>Plasma oscillations</term><term>Plasma torches</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Torche plasma</term><term>Arc électrique</term><term>Jet plasma</term><term>Oscillation plasma</term><term>Interaction plasma</term><term>Conception</term><term>Revêtement</term><term>5280M</term><term>5235F</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Electric arc instabilities in dc plasma torches result in non-homogeneous treatment of nanosized solid particles injected into the plasma jets. In the particular case of suspension plasma spraying, large discrepancies in the particles trajectories and thermal histories make the control of coating properties more difficult to achieve. In this paper, a new approach of arc dynamics highlights the existence of different resonant modes and the possibility of their coupling. This study leads us to design a special plasma torch working in a very regular pulsed regime. Then, an innovative injection system based on the drop-on-demand method synchronized with the plasma oscillations is presented as an efficient method to control the dynamics of plasma/particles interactions.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Limousin</li><li>Nouvelle-Aquitaine</li></region><settlement><li>Limoges</li></settlement></list><tree><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Krowka, J" sort="Krowka, J" uniqKey="Krowka J" first="J." last="Krowka">J. Krowka</name></region><name sortKey="Coudert, J F" sort="Coudert, J F" uniqKey="Coudert J" first="J. F." last="Coudert">J. F. Coudert</name><name sortKey="Rat, V" sort="Rat, V" uniqKey="Rat V" first="V." last="Rat">V. Rat</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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