Effect of current connection to the anode nozzle on plasma torch efficiency
Experiments have been performed to demonstrate the influence of the location of the electric power connection to the anode nozzle on the efficiency of DC plasma torches. The DC plasma torch used in these experiments offers the flexibility to work with different anode geometries and the possibility o...
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| Veröffentlicht in: | IEEE Transactions on Plasma Science 1997-10, Vol.25 (5), p.864-871 |
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| creator | Collares, M.P. Pfender, E. |
| description | Experiments have been performed to demonstrate the influence of the location of the electric power connection to the anode nozzle on the efficiency of DC plasma torches. The DC plasma torch used in these experiments offers the flexibility to work with different anode geometries and the possibility of connecting the electrical power to the anode at two different locations. For each set of experiments, the controllable parameters such as total gas flow rate, gas composition, and electric current were kept constant, changing only the location of the electrical connection to the anode nozzle. The efficiency of the torch, derived from a conventional energy balance, shows a significant change as the location of the electrical connection to the anode nozzle is changed. The measured mean voltage as well as the amplitude of the voltage fluctuations were also affected by the location of the electrical connection to the anode nozzle. An explanation for the arc behavior is given, based on an analysis of the forces acting on the anode arc column and their influeuce on the variation of the arc column length. Experimental data are in good agreement with analytical predictions. |
| doi_str_mv | 10.1109/27.649582 |
| format | Article |
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The DC plasma torch used in these experiments offers the flexibility to work with different anode geometries and the possibility of connecting the electrical power to the anode at two different locations. For each set of experiments, the controllable parameters such as total gas flow rate, gas composition, and electric current were kept constant, changing only the location of the electrical connection to the anode nozzle. The efficiency of the torch, derived from a conventional energy balance, shows a significant change as the location of the electrical connection to the anode nozzle is changed. The measured mean voltage as well as the amplitude of the voltage fluctuations were also affected by the location of the electrical connection to the anode nozzle. An explanation for the arc behavior is given, based on an analysis of the forces acting on the anode arc column and their influeuce on the variation of the arc column length. Experimental data are in good agreement with analytical predictions.</description><identifier>ISSN: 0093-3813</identifier><identifier>EISSN: 1939-9375</identifier><identifier>DOI: 10.1109/27.649582</identifier><identifier>CODEN: ITPSBD</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>ANODES ; Current ; ELECTRIC CONDUCTORS ; Electrical engineering ; ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION ; Experiments ; Fluid flow ; Geometry ; Nuclear and plasma sciences ; Plasma ; Plasma applications ; Plasma chemistry ; Plasma devices ; PLASMA GUNS ; POSITIONING ; POWER SUPPLIES ; Thermal spraying ; Voltage fluctuations</subject><ispartof>IEEE Transactions on Plasma Science, 1997-10, Vol.25 (5), p.864-871</ispartof><rights>Copyright Institute of Electrical and Electronics Engineers, Inc. (IEEE) Oct 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c330t-baad9d02231df7bc798e7b696a5e880d6418e1e2f8ec3c588dfae308fded8f683</citedby><cites>FETCH-LOGICAL-c330t-baad9d02231df7bc798e7b696a5e880d6418e1e2f8ec3c588dfae308fded8f683</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/649582$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,885,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/649582$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttps://www.osti.gov/biblio/596822$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Collares, M.P.</creatorcontrib><creatorcontrib>Pfender, E.</creatorcontrib><title>Effect of current connection to the anode nozzle on plasma torch efficiency</title><title>IEEE Transactions on Plasma Science</title><addtitle>TPS</addtitle><description>Experiments have been performed to demonstrate the influence of the location of the electric power connection to the anode nozzle on the efficiency of DC plasma torches. The DC plasma torch used in these experiments offers the flexibility to work with different anode geometries and the possibility of connecting the electrical power to the anode at two different locations. For each set of experiments, the controllable parameters such as total gas flow rate, gas composition, and electric current were kept constant, changing only the location of the electrical connection to the anode nozzle. The efficiency of the torch, derived from a conventional energy balance, shows a significant change as the location of the electrical connection to the anode nozzle is changed. The measured mean voltage as well as the amplitude of the voltage fluctuations were also affected by the location of the electrical connection to the anode nozzle. An explanation for the arc behavior is given, based on an analysis of the forces acting on the anode arc column and their influeuce on the variation of the arc column length. Experimental data are in good agreement with analytical predictions.</description><subject>ANODES</subject><subject>Current</subject><subject>ELECTRIC CONDUCTORS</subject><subject>Electrical engineering</subject><subject>ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION</subject><subject>Experiments</subject><subject>Fluid flow</subject><subject>Geometry</subject><subject>Nuclear and plasma sciences</subject><subject>Plasma</subject><subject>Plasma applications</subject><subject>Plasma chemistry</subject><subject>Plasma devices</subject><subject>PLASMA GUNS</subject><subject>POSITIONING</subject><subject>POWER SUPPLIES</subject><subject>Thermal spraying</subject><subject>Voltage fluctuations</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNpd0E1LAzEQBuAgCtbqwaun6EHwsDUf3WxylFI_sOBFzyHNTmjKNqnJ9tD-eiNbPHgamPdheBmErimZUErUI2smYqpqyU7QiCquKsWb-hSNCFG84pLyc3SR85oQOq0JG6H3uXNgexwdtruUIPTYxhDKyseA-4j7FWATYgs4xMOhA1zW287kjSlpsisMznnrIdj9JTpzpstwdZxj9PU8_5y9VouPl7fZ06KynJO-WhrTqpYwxmnrmqVtlIRmKZQwNUhJWjGlEigwJ8FyW0vZOgOcSNdCK52QfIxuh7sx915n63uwq2NrXSshy-kxuh_MNsXvHeReb3y20HUmQNxlzSRrGJGkwLt_cB13KZT-mqqaCsGFKuhhQDbFnBM4vU1-Y9JeU6J__65Zo4e_F3szWA8Af-4Y_gA-130H</recordid><startdate>19971001</startdate><enddate>19971001</enddate><creator>Collares, M.P.</creator><creator>Pfender, E.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>19971001</creationdate><title>Effect of current connection to the anode nozzle on plasma torch efficiency</title><author>Collares, M.P. ; Pfender, E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c330t-baad9d02231df7bc798e7b696a5e880d6418e1e2f8ec3c588dfae308fded8f683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>ANODES</topic><topic>Current</topic><topic>ELECTRIC CONDUCTORS</topic><topic>Electrical engineering</topic><topic>ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION</topic><topic>Experiments</topic><topic>Fluid flow</topic><topic>Geometry</topic><topic>Nuclear and plasma sciences</topic><topic>Plasma</topic><topic>Plasma applications</topic><topic>Plasma chemistry</topic><topic>Plasma devices</topic><topic>PLASMA GUNS</topic><topic>POSITIONING</topic><topic>POWER SUPPLIES</topic><topic>Thermal spraying</topic><topic>Voltage fluctuations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Collares, M.P.</creatorcontrib><creatorcontrib>Pfender, E.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>IEEE Transactions on Plasma Science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Collares, M.P.</au><au>Pfender, E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of current connection to the anode nozzle on plasma torch efficiency</atitle><jtitle>IEEE Transactions on Plasma Science</jtitle><stitle>TPS</stitle><date>1997-10-01</date><risdate>1997</risdate><volume>25</volume><issue>5</issue><spage>864</spage><epage>871</epage><pages>864-871</pages><issn>0093-3813</issn><eissn>1939-9375</eissn><coden>ITPSBD</coden><abstract>Experiments have been performed to demonstrate the influence of the location of the electric power connection to the anode nozzle on the efficiency of DC plasma torches. The DC plasma torch used in these experiments offers the flexibility to work with different anode geometries and the possibility of connecting the electrical power to the anode at two different locations. For each set of experiments, the controllable parameters such as total gas flow rate, gas composition, and electric current were kept constant, changing only the location of the electrical connection to the anode nozzle. The efficiency of the torch, derived from a conventional energy balance, shows a significant change as the location of the electrical connection to the anode nozzle is changed. The measured mean voltage as well as the amplitude of the voltage fluctuations were also affected by the location of the electrical connection to the anode nozzle. An explanation for the arc behavior is given, based on an analysis of the forces acting on the anode arc column and their influeuce on the variation of the arc column length. Experimental data are in good agreement with analytical predictions.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/27.649582</doi><tpages>8</tpages></addata></record> |
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| subjects | ANODES Current ELECTRIC CONDUCTORS Electrical engineering ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION Experiments Fluid flow Geometry Nuclear and plasma sciences Plasma Plasma applications Plasma chemistry Plasma devices PLASMA GUNS POSITIONING POWER SUPPLIES Thermal spraying Voltage fluctuations |
| title | Effect of current connection to the anode nozzle on plasma torch efficiency |
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