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Fardinata, Reeky
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Computer Science & IT Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology

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Microwave media simulation to generate nitrogen plasma at atmospheric pressure Fauzan, Muhammad; Fardinata, Reeky; Ramadhan, Khaikal
Science, Technology and Communication Journal Vol. 2 No. 1 (2021): SINTECHCOM Journal (October 2021)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v2i1.209

Abstract

The development of methods to generate artificial plasma continues to be carried out for industrial purposes in machines and production products. To overcome experimental problems in modeling development, various methods have been carried out. One of the methods used is to simulate the air in a microwave oven. This simulation will describe the electric field distribution of each mode to identify the plasma by introducing the cutoff frequency. Ionization gas with a composition of 78% Nitrogen, 21% Oxygen, and 1% other gases at a pressure of 1 atm. The microwave oven chamber is made of an iron conductor in the form of a beam with dimensions 29 × 29 × 19 cm3, with a continuous supply of 800 W and 220 V. Power loss as a function of frequency shows the cutoff frequency using an S-parameter graph and electric field distribution as a function of position in each mode. The plasma formed is in modes 20, 01, and 11 because the electric field exceeds the breakdown voltage value to generate plasma, which is 6 × 106 V/m. The bigger the electric field, the more plasma is produced, which is indicated in the mode positions in the microwave oven.
Equilibrium of argon plasma particles at high pressure Zakky, Faisal; Fardinata, Reeky; Aziz, Muhammad Safwan Abd
Science, Technology and Communication Journal Vol. 4 No. 1 (2023): SINTECHCOM Journal (October 2023)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v4i1.254

Abstract

The density value and plasma reaction rate are the physical quantities needed to produce plasma. Both are used to estimate the heat energy and operating time of the plasma. Argon plasma at atmospheric pressure is widely used in industry. Density values and plasma reaction rates were obtained by computational modeling using the continuity equation and the Arrhenius equation obtained from experimental data. Five argon species were used in this research including Ar*, Ar+, Ar2+, Ar, and electron. Plasma equilibrium occurs in time intervals of 10-12 – 10-3 seconds with a temperature of 2 eV. The overall thermal argon plasma equilibrium density ranges within the interval 109 – 1016 m-3. The value of the fastest reaction rate obtained is equal to 2.482 × 104 m-3.s-1 until the smallest reaction rate is obtained equal to 14.613 × 10-34 m-3.s-1.
Co-Authors Aziz, Muhammad Safwan Abd Muhammad fauzan Ramadhan, Khaikal Zakky, Faisal