rf power system for thrust measurements of a helicon plasma source
A rf power system has been developed, which allows the use of rf plasma devices in an electric propulsion test facility without excessive noise pollution in thruster diagnostics. Of particular importance are thrust stand measurements, which were previously impossible due to noise. Three major change...
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| Veröffentlicht in: | Review of scientific instruments 2010-07, Vol.81 (7), p.075106-075106-8 |
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| container_end_page | 075106-8 |
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| container_issue | 7 |
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| container_title | Review of scientific instruments |
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| creator | Kieckhafer, Alexander W. Walker, Mitchell L. R. |
| description | A rf power system has been developed, which allows the use of rf plasma devices in an electric propulsion test facility without excessive noise pollution in thruster diagnostics. Of particular importance are thrust stand measurements, which were previously impossible due to noise. Three major changes were made to the rf power system: first, the cable connection was changed from a balanced transmission line to an unbalanced coaxial line. Second, the rf power cabinet was placed remotely in order to reduce vibration-induced noise in the thrust stand. Finally, a relationship between transmission line length and rf was developed, which allows good transmission of rf power from the matching network to the helicon antenna. The modified system was tested on a thrust measurement stand and showed that rf power has no statistically significant contribution to the thrust stand measurement. |
| doi_str_mv | 10.1063/1.3460263 |
| format | Article |
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The modified system was tested on a thrust measurement stand and showed that rf power has no statistically significant contribution to the thrust stand measurement.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>ANTENNAS</subject><subject>CABLES</subject><subject>JOINTS</subject><subject>NOISE</subject><subject>PLASMA PRODUCTION</subject><subject>POWER TRANSMISSION LINES</subject><subject>RF SYSTEMS</subject><subject>TEST FACILITIES</subject><subject>THRUSTERS</subject><issn>0034-6748</issn><issn>1089-7623</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp1kD1PHDEURS0UFJYlBX8AWUoRpRiwx-OvIgVBIUFCoqG3vN5n7aCZ8eLnEeLf49Vs0uU1rzm69-oQcsnZNWdK3PBr0SnWKnFCVpwZ22jVik9kxZjoGqU7c0bOEV9YPcn5Z3LWMmW0lmZFfuZI9-kNMsV3LDDSmDItuzxjoSN4nDOMMBWkKVJPdzD0IU10P3gcPcU05wAX5DT6AeHL8a_J8_2v57s_zePT74e728cmdKItjRVScCO8AuuFFjEGuTVesW1n_TZYqYBzvfGdZcEbZWw0TMZWbzYiiiC5WJOvS2zC0jsMfYGwq2MmCMW1LZNCW12pbwu1z-l1Bixu7DHAMPgJ0oyuyrCSd9XVmnxfyJATYobo9rkffX53nLmDVsfdUWtlr46p82aE7T_yr8cK_FiAwy5f-jT9Py3XpoNxtxh31bj4AJ7BhjQ</recordid><startdate>20100701</startdate><enddate>20100701</enddate><creator>Kieckhafer, Alexander W.</creator><creator>Walker, Mitchell L. 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R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>rf power system for thrust measurements of a helicon plasma source</atitle><jtitle>Review of scientific instruments</jtitle><addtitle>Rev Sci Instrum</addtitle><date>2010-07-01</date><risdate>2010</risdate><volume>81</volume><issue>7</issue><spage>075106</spage><epage>075106-8</epage><pages>075106-075106-8</pages><issn>0034-6748</issn><eissn>1089-7623</eissn><coden>RSINAK</coden><abstract>A rf power system has been developed, which allows the use of rf plasma devices in an electric propulsion test facility without excessive noise pollution in thruster diagnostics. Of particular importance are thrust stand measurements, which were previously impossible due to noise. Three major changes were made to the rf power system: first, the cable connection was changed from a balanced transmission line to an unbalanced coaxial line. Second, the rf power cabinet was placed remotely in order to reduce vibration-induced noise in the thrust stand. Finally, a relationship between transmission line length and rf was developed, which allows good transmission of rf power from the matching network to the helicon antenna. The modified system was tested on a thrust measurement stand and showed that rf power has no statistically significant contribution to the thrust stand measurement.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>20687758</pmid><doi>10.1063/1.3460263</doi><tpages>1</tpages></addata></record> |
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| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ANTENNAS CABLES JOINTS NOISE PLASMA PRODUCTION POWER TRANSMISSION LINES RF SYSTEMS TEST FACILITIES THRUSTERS |
| title | rf power system for thrust measurements of a helicon plasma source |
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