Magnetic vapor shielding mechanism in electromagnetic and electrothermal launchers
The vapor shield formed by the ablation of wall materials in plasma-driven launchers absorbs a large fraction of the incoming energy and reduces the surface erosion. Decreasing the turbulent energy transport through the vapor shield may result in further reduction of the surface erosion. Applying a...
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| Veröffentlicht in: | IEEE transactions on magnetics 1993-01, Vol.29 (1), p.1153-1157 |
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| container_end_page | 1157 |
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| container_title | IEEE transactions on magnetics |
| container_volume | 29 |
| creator | Gilligan, J.G. Bourham, M.A. Hankins, O.E. Eddy, W.H. |
| description | The vapor shield formed by the ablation of wall materials in plasma-driven launchers absorbs a large fraction of the incoming energy and reduces the surface erosion. Decreasing the turbulent energy transport through the vapor shield may result in further reduction of the surface erosion. Applying a strong magnetic field parallel to the surface (magnetic vapor shield) is a possible approach. SIRENS, an electrothermal launcher, is equipped with a pulsed high intensity magnet, and has been used to investigate the magnetic vapor shield effect. The magnetic field has been applied at different field intensities (2.6 to 8.75 T), for launcher input energy varying from 1 to 5 kJ. A 25-35% reduction of the surface ablation has been achieved at 6.25 T for energy inputs of 1-2 kJ, with a trend of further reduction at higher values of the magnetic field.< > |
| doi_str_mv | 10.1109/20.195744 |
| format | Article |
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Decreasing the turbulent energy transport through the vapor shield may result in further reduction of the surface erosion. Applying a strong magnetic field parallel to the surface (magnetic vapor shield) is a possible approach. SIRENS, an electrothermal launcher, is equipped with a pulsed high intensity magnet, and has been used to investigate the magnetic vapor shield effect. The magnetic field has been applied at different field intensities (2.6 to 8.75 T), for launcher input energy varying from 1 to 5 kJ. A 25-35% reduction of the surface ablation has been achieved at 6.25 T for energy inputs of 1-2 kJ, with a trend of further reduction at higher values of the magnetic field.< ></description><subject>Applied sciences</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electromagnetic launching</subject><subject>Electromagnetic shielding</subject><subject>Electrothermal launching</subject><subject>Exact sciences and technology</subject><subject>Fault location</subject><subject>Magnetic field measurement</subject><subject>Magnetic flux</subject><subject>Magnetic shielding</subject><subject>Miscellaneous</subject><subject>Plasma sources</subject><subject>Plasma temperature</subject><subject>Plasma transport processes</subject><subject>Various equipment and components</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNqFkD1PwzAQhi0EEqUwsDJlQEgMAZ8_EntEFV9SERKCOXKdS2vkOMVOkfj3pLSFkem9Oz33DC8hp0CvAKi-ZkNqWQqxR0agBeSUFnqfjCgFlWtRiENylNL7sAoJdERensw8YO9s9mmWXczSwqGvXZhnLdqFCS61mQsZerR97NodbEK9u_ULjK3xmTerYIc5HZODxviEJ9sck7e729fJQz59vn-c3Exzy3nZ541UNauVLC2vdUNZAdZyzWvgqArGQTCpZkaqEgRQWTJBac0UNLpRMyUo8jG52HiXsftYYeqr1iWL3puA3SpVTPFyqED9DxYAotBr8HID2tilFLGpltG1Jn5VQKt1vRUb8qfegT3fSk2yxjfRBOvS74OgBS8lG7CzDeYQ8U-3cXwDG5eA-Q</recordid><startdate>199301</startdate><enddate>199301</enddate><creator>Gilligan, J.G.</creator><creator>Bourham, M.A.</creator><creator>Hankins, O.E.</creator><creator>Eddy, W.H.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SP</scope></search><sort><creationdate>199301</creationdate><title>Magnetic vapor shielding mechanism in electromagnetic and electrothermal launchers</title><author>Gilligan, J.G. ; Bourham, M.A. ; Hankins, O.E. ; Eddy, W.H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-f58d2d857c3d9f0261cc393d13e862314258ba5871410572400d281f9f8b840e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Applied sciences</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electromagnetic launching</topic><topic>Electromagnetic shielding</topic><topic>Electrothermal launching</topic><topic>Exact sciences and technology</topic><topic>Fault location</topic><topic>Magnetic field measurement</topic><topic>Magnetic flux</topic><topic>Magnetic shielding</topic><topic>Miscellaneous</topic><topic>Plasma sources</topic><topic>Plasma temperature</topic><topic>Plasma transport processes</topic><topic>Various equipment and components</topic><toplevel>online_resources</toplevel><creatorcontrib>Gilligan, J.G.</creatorcontrib><creatorcontrib>Bourham, M.A.</creatorcontrib><creatorcontrib>Hankins, O.E.</creatorcontrib><creatorcontrib>Eddy, W.H.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gilligan, J.G.</au><au>Bourham, M.A.</au><au>Hankins, O.E.</au><au>Eddy, W.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetic vapor shielding mechanism in electromagnetic and electrothermal launchers</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>1993-01</date><risdate>1993</risdate><volume>29</volume><issue>1</issue><spage>1153</spage><epage>1157</epage><pages>1153-1157</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>The vapor shield formed by the ablation of wall materials in plasma-driven launchers absorbs a large fraction of the incoming energy and reduces the surface erosion. Decreasing the turbulent energy transport through the vapor shield may result in further reduction of the surface erosion. Applying a strong magnetic field parallel to the surface (magnetic vapor shield) is a possible approach. SIRENS, an electrothermal launcher, is equipped with a pulsed high intensity magnet, and has been used to investigate the magnetic vapor shield effect. The magnetic field has been applied at different field intensities (2.6 to 8.75 T), for launcher input energy varying from 1 to 5 kJ. A 25-35% reduction of the surface ablation has been achieved at 6.25 T for energy inputs of 1-2 kJ, with a trend of further reduction at higher values of the magnetic field.< ></abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/20.195744</doi><tpages>5</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 1993-01, Vol.29 (1), p.1153-1157 |
| issn | 0018-9464 1941-0069 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28371948 |
| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Electrical engineering. Electrical power engineering Electromagnetic launching Electromagnetic shielding Electrothermal launching Exact sciences and technology Fault location Magnetic field measurement Magnetic flux Magnetic shielding Miscellaneous Plasma sources Plasma temperature Plasma transport processes Various equipment and components |
| title | Magnetic vapor shielding mechanism in electromagnetic and electrothermal launchers |
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