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Plazma Ortamında Argon Dc Glow Deşarjının Spektroskopik İncelenmesi
2023
Journal:  
Journal of Naval Sciences and Engineering
Author:  
Abstract:

Bu çalışmada, düşük vakum ortamında Argon plazmasından yayılan UV-VIS-NIR (Morötesi-Görünür-Yakın Kızılaltı) spektrumları, yüksek çözünürlüklü bir Czerny-Turner tipi spektrometre ile kaydedilmiştir. Argon plazması, 5 mTorr basınç ve 584 V voltaj parametreleri kullanılarak elde edilmiştir. Argon plazması, 15 cm çapında, 0.8 cm kalınlığında ve aralarında 13 cm mesafe bulunan iki paralel paslanmaz çelik levha anot ve katot arasında üretilmiştir. Argon Glow discharge plazmasının ışınımsal ve çarpışma süreçleri, PrismSPECT atomic physics yazılımı ile modellendi. Ar(I) ve Ar(II) iyonlarının uyarılmış enerji seviyelerinin yoğunlukları, elektron sıcaklık aralığı (0.4-3.5eV) ve kütle yoğunluk aralıkları (10-4-10-1gr/cm3) seçilerek Saha-Boltzmann denklemi aracılığıyla hesaplandı. UV-Visible-NIR spektrumları PrismSPECT atomic physics yazılımı ile modellendi ve deneysel spektrumlar ile karşılaştırıldı. ArII/ArI (1s22s22p63s23p44f1/1s22s22p63s23p54p1) spektral çizgi yoğunluk oranı farklı plazma sıcaklıkları ve yoğunlukları için elde edildi. Argon plazmasının sıcaklığı, PrismSPECT atomic physics yazılımı ile modellenen spektroskopik çizgi yoğunluk oranlarından yaklaşık olarak elde edildi.

Keywords:

Spectroscopic Investigation Of Argon Dc Glow Discharge In Plasma Medium
2023
Author:  
Abstract:

In this study, UV-VIS-NIR (Ultraviolet Visible Near-Infrared) spectra emitted from Argon Glow discharge plasma in a low vacuum were recorded with a high-resolution Czerny-Turner type spectrometer. Argon plasma was produced at a pressure of 5mTorr and with a voltage of 584 V. Argon plasma was produced between two parallel stainless steel plates anode and cathode with a diameter of 15 cm, a thickness of 0.8 cm, and a distance of 13 cm between them. The radiative and collisional processes of the Argon plasma medium were modeled by the PrismSPECT atomic physics software (Software). The distributions of ion densities were calculated using the Saha-Boltzmann equation. The intensity of the excited energy levels of Ar(I) and Ar (II) ions were calculated in the electron temperature range of (0.4-3.5eV) and the mass density of (10-4-10-1gr/cm3). The UV-Visible-NIR spectra were simulated and compared with experimental spectra. The ratios of the intensities of the ArII/ArI (1s22s22p63s23p44f1/1s22s22p63s23p54p1) spectral lines were obtained for different plasma temperatures and densities. The temperature of the argon plasma was obtained from the spectral line intensity ratios.

Keywords:

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Journal of Naval Sciences and Engineering

Field :   Fen Bilimleri ve Matematik; Mühendislik

Journal Type :   Uluslararası

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