Performance improvement of a permanent magnet helicon plasma thruster
The performance of a permanent magnet helicon plasma thruster (PM-HPT) is improved by modifying the magnetic field configuration and increasing the magnetic field strength for operating source conditions of 13.56 MHz radiofrequency power up to 2 kW and 24 sccm of argon (pressure of ∼0.8 mTorr). A co...
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| Veröffentlicht in: | Journal of physics. D, Applied physics Applied physics, 2013-09, Vol.46 (35), p.352001-1-5 |
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| container_end_page | 1-5 |
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| container_issue | 35 |
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| container_title | Journal of physics. D, Applied physics |
| container_volume | 46 |
| creator | Takahashi, Kazunori Charles, Christine Boswell, Rod Ando, Akira |
| description | The performance of a permanent magnet helicon plasma thruster (PM-HPT) is improved by modifying the magnetic field configuration and increasing the magnetic field strength for operating source conditions of 13.56 MHz radiofrequency power up to 2 kW and 24 sccm of argon (pressure of ∼0.8 mTorr). A convergent-divergent magnetic nozzle giving a maximum field strength of ∼300 G is provided by arrays of permanent magnets, giving a higher plasma density downstream of the thruster exit (hence a larger Lorentz force within the magnetic nozzle) compared with that measured in the previous PM-HPT experiments (Takahashi et al 2011 Appl.Phys. Lett. 98 141503; Takahashi et al 2011 Phys. Rev. Lett. 107 235001). The directly measured thrust and specific impulse are about 15 mN and 2000 s, respectively, for a thrust efficiency of 7.5%. |
| doi_str_mv | 10.1088/0022-3727/46/35/352001 |
| format | Article |
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A convergent-divergent magnetic nozzle giving a maximum field strength of ∼300 G is provided by arrays of permanent magnets, giving a higher plasma density downstream of the thruster exit (hence a larger Lorentz force within the magnetic nozzle) compared with that measured in the previous PM-HPT experiments (Takahashi et al 2011 Appl.Phys. Lett. 98 141503; Takahashi et al 2011 Phys. Rev. Lett. 107 235001). 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The directly measured thrust and specific impulse are about 15 mN and 2000 s, respectively, for a thrust efficiency of 7.5%.</description><subject>Arrays</subject><subject>Exact sciences and technology</subject><subject>Magnetic fields</subject><subject>Magnetic nozzles</subject><subject>Permanent magnets</subject><subject>Physics</subject><subject>Physics of gases, plasmas and electric discharges</subject><subject>Physics of plasmas and electric discharges</subject><subject>Plasma (physics)</subject><subject>Plasma devices</subject><subject>Specific impulse</subject><subject>Thrust</subject><subject>Thrusters</subject><issn>0022-3727</issn><issn>1361-6463</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-BelF8FJ38tE0PcqyfsCCHvQcYnbidmmbmrSC_96ULl6FwBDmeWfeeQm5pnBHQakVAGM5L1m5EnLFi_QYAD0hC8olzaWQ_JQs_qBzchHjAQAKqeiCbF4xOB9a01nM6rYP_htb7IbMu8xkPU6d6duazw6HbI9NbX2X9Y2JrcmGfRjjgOGSnDnTRLw61iV5f9i8rZ_y7cvj8_p-m1vByiE3FLmTtqRg7I6qDxDAK8ulM6YyJYAziFYx5axzlNnUUlWVTLOkK-wO-JLcznOTz68R46DbOlpsmmTSj1FTIdSEywmVM2qDjzGg032oWxN-NAU95aanSPQUiRZS80LPuSXhzXGHidY0LqRo6vinZqUshVJF4tjM1b7XBz-GLl3-3_BfokV8lw</recordid><startdate>20130904</startdate><enddate>20130904</enddate><creator>Takahashi, Kazunori</creator><creator>Charles, Christine</creator><creator>Boswell, Rod</creator><creator>Ando, Akira</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20130904</creationdate><title>Performance improvement of a permanent magnet helicon plasma thruster</title><author>Takahashi, Kazunori ; Charles, Christine ; Boswell, Rod ; Ando, Akira</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c427t-a1e3f6c710acd18b04039c36faa9a700faeec828fcff12c9c389937221e35cd03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Arrays</topic><topic>Exact sciences and technology</topic><topic>Magnetic fields</topic><topic>Magnetic nozzles</topic><topic>Permanent magnets</topic><topic>Physics</topic><topic>Physics of gases, plasmas and electric discharges</topic><topic>Physics of plasmas and electric discharges</topic><topic>Plasma (physics)</topic><topic>Plasma devices</topic><topic>Specific impulse</topic><topic>Thrust</topic><topic>Thrusters</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takahashi, Kazunori</creatorcontrib><creatorcontrib>Charles, Christine</creatorcontrib><creatorcontrib>Boswell, Rod</creatorcontrib><creatorcontrib>Ando, Akira</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of physics. 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| source | Institute of Physics Journals |
| subjects | Arrays Exact sciences and technology Magnetic fields Magnetic nozzles Permanent magnets Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges Plasma (physics) Plasma devices Specific impulse Thrust Thrusters |
| title | Performance improvement of a permanent magnet helicon plasma thruster |
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