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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국우주과학회 Journal of Astronomy and Space Sciences Journal of Astronomy and Space Sciences 제34권 제4호
- 발행연도
- 2017.12
- 수록면
- 343 - 351 (9page)
- DOI
- https://doi.org/10.5140/JASS.2017.34.4.343
이용수
초록· 키워드
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A space plasma facility has been operated with a back-diffusion-type plasma source installed in a mid-sized vacuum chamber with a diameter of ~1.5 m located in Satellite Technology Research Center (SaTReC), Korea Advanced Institute of Science and Technology (KAIST). To generate plasma with a temperature and density similar to the ionospheric plasma, nickel wires coated with carbonate solution were used as filaments that emit thermal electrons, and the accelerated thermal electrons emitted from the heated wires collide with the neutral gas to form plasma inside the chamber. By using a disk-type Langmuir probe installed inside the vacuum chamber, the generation of plasma similar to the space environment was validated. The characteristics of the plasma according to the grid and plate anode voltages were investigated. The grid voltage of the plasma source is realized as a suitable parameter for manipulating the electron density, while the plate voltage is suitable for adjusting the electron temperature. A simple physical model based on the collision cross-section of electron impact on nitrogen molecule was established to explain the plasma generation mechanism.
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참고문헌 (16)
참고문헌 신청
Dieter Bilitza / 2011 / The international reference ionosphere today and in the future / Journal of Geodesy 85(12):909~920
Stephan Buchert / 2015 / SWARM observations of equatorial electron densities and topside GPS track losses / Geophysical Research Letters 42(7):2088~2092
Francis F. Chen / 1985 / Introduction to Plasma Physics and Controlled Fusion Volume 1: Plasma Physics, Second Edition / Physics Today 38(5):87~88
최정림 / 2014 / Scientific Missions and Technologies of the ISSS on board the NEXTSat-1 / Journal of Astronomy and Space Sciences 31(1):73~81
Thibery Cussac / 2006 / The Demeter microsatellite and ground segment / Planetary and Space Science 54(5):413~427
Stephan Buchert / 2015 / SWARM observations of equatorial electron densities and topside GPS track losses / Geophysical Research Letters 42(7):2088~2092
Francis F. Chen / 1985 / Introduction to Plasma Physics and Controlled Fusion Volume 1: Plasma Physics, Second Edition / Physics Today 38(5):87~88
최정림 / 2014 / Scientific Missions and Technologies of the ISSS on board the NEXTSat-1 / Journal of Astronomy and Space Sciences 31(1):73~81
Thibery Cussac / 2006 / The Demeter microsatellite and ground segment / Planetary and Space Science 54(5):413~427
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