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All Journal Physics Student Journal Rekayasa Mesin Journal of Environmental Engineering and Sustainable Technology Natural B JPSE (Journal of Physical Science and Engineering) Jurnal Penelitian Pendidikan IPA (JPPIPA) INDONESIAN JOURNAL OF APPLIED PHYSICS
D. J. Djoko Herry Santjojo
Jurusan Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mechanical Engineering Physics

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Journal : Journal of Environmental Engineering and Sustainable Technology

 1 
ONE DIMENSIONAL SIMULATION OF DC BIASED ARGON PLASMA USING COMSOL MULTIPHYSICS Dionysius Joseph Djoko Herry Santjojo
Journal of Environmental Engineering and Sustainable Technology Vol 5, No 1 (2018)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.132 KB) | DOI: 10.21776/ub.jeest.2018.005.01.3

Abstract

The character of a argon plasma in a DC biased reactor was simulated using 1-dimensional model. The model and simulation was carried out using COMSOL multiphysics software. Results of the simulation show that the model and can be used to predict the character and state of the Ar plasma such as distribution of electron density and Ar+ ion, electron temperature, and electric potential in the plasma space. Furthermore, the model predicts that the argon plasma is formed near the cathode (r<0.5 cm) at the end of the simulation. And, the higher the pressure the higher the plasma density produced at pressures less than 100 Pa.
EFFECT OF CHAMBER PRESSURE ON ELECTRICAL IMPEDANCE OF A LOW-FREQUENCY NITROGEN PLASMA IN A MEDIUM VACUUM REACTOR Dionysius Joseph Djoko Herry Santjojo
Journal of Environmental Engineering and Sustainable Technology Vol 4, No 2 (2017)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (818.933 KB) | DOI: 10.21776/ub.jeest.2017.004.02.4

Abstract

The character of a low-frequency nitrogen plasma in a medium vacuum reactor was studied by determining the effect of chamber pressure on the electrical impedance of the plasma. The system understudied was a mini capacitive plasma reactor utilizing 40 kHz generator. The pressure was varied from 0.4 – 4.7 torrs. Results of this work indicated that the pressure in the range significantly affects the electrical impedance. The increase of the chamber pressure decreased the capacitive reactance while increased the resistance. The capacitive plasma indicates the plasma was controlled by excitation and ionization process, while the resistive plasma exhibits complex reactions due to collisions.
Co-Authors abdurrouf Abdurrouf Abu Bakar Agus Naba Akhmad Sabarudin Arinto Y.P. Wardoyo Budy Wiryawan Chomsin Sulistiya Widodo Edi Purnama Hari Soepriandono Hartatiek, Hartatiek Iin Hidayanti Wulansari Ika Oktavia Wulandari Ikhsani, Ridha N. Inggita I.H. Putri Masdiana Padega Masruroh Masruroh Masruroh MASRUROH Masruroh Masruroh Masruroh Masruroh Masruroh Masruroh Maulia Ingganis Wuriantika Moh Rifqi Nawafi Muhammad Fadlil Khoironi Muhammad Nurhuda Nada Shofura Faradyana Nathania Nanasari Norhayati Ahmad Nurramdaniyah Nurramdaniyah rahmatia putri Ratih Endah Sutantri Renaldo Apriandi Kasa Ridwan Awalin Rizky Benny Relado, Rizky Benny Sakti, Setyawan P. Setyawan P. Sakti Unggul P Juswono Unggul Pundjung Juswono Vita Tria Mardila Winarto Winarto Windajanti, Josephine Maria Yudyanto Yudyanto