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All Journal International Journal of Science and Engineering (IJSE) BERKALA FISIKA SAINS DAN MATEMATIKA Jurnal Ilmiah Aplikasi Isotop Radiasi YOUNGSTER PHYSICS JOURNAL Jurnal Riset Industri Hasil Hutan Jurnal Pengembangan Rekayasa dan Teknologi Jurnal Pertanian Agros Journal of Physics and Its Applications JURNAL MAHASISWA BK AN-NUR : BERBEDA, BERMAKNA, MULIA Jurnal Ilmiah Inovasi Jurnal Ilmiah Padma Sri Kreshna Innovative: Journal Of Social Science Research Jurnal Ilmiah Agroust
Evi Setiawati
Departemen Fisika, Fakultas Sains Dan Matematika, Universitas Diponegoro, Semarang
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Journal : Journal of Physics and Its Applications

 1 
Analytical Solution in the (I-V) Characteristic Curves Calculation of the Corona Plasma Discharge Using the Capacitance Model Wardaya, Asep Yoyo; Muhlisin, Zaenul; Suseno, Jatmiko Endro; Setiawati, Evi; Hadi, Susilo; Windarta, Jaka
Journal of Physics and Its Applications Vol 7, No 3 (2025): August 2025
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v7i3.25270

Abstract

This research aims to calculate thoroughness among data points and analytical simulation curves in discussing corona discharges' (I-V) characteristics. The electrode construction used is the twin towers with dividing angles to the plane (TTDA-P) model in air, with negative DC polarity. An asymmetrical electrical CCP model in the electrode design uses research variations, including active electrode center clamp angles of q = 300, 450, and 600 and active and passive electrode distances (d) of 0.002 m, 0.005 m, and 0.008 m. The simulation curve comes from the analytical formulation of the reduced capacitance type (inserting a multiplying factor k to the sharp corners of the active electrode), with the simulation program being a Python GUI program. The experimental results produced an appropriate error value (t-test value £0.05) and a high percentage of tangent points value. The best curve was achieved at q = 450 and d = 0.008 m, with a t-test value of 0.0313 and the highest percentage of significant tangent points of 92.31%. For all variations q, there is a tendency that the smaller the value of d (the gap length among two electrodes), the greater the deviation distance between the simulation curve and the data points.
Environmental Noise Analysis during Pile Driving Using a Single Acting Diesel Hammer Margiantono, Agus; Setiawati, Evi
Journal of Physics and Its Applications Vol 8, No 1 (2026): February 2026
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v8i1.28484

Abstract

Pile driving activities using diesel hammers are common in large-scale infrastructure development projects. One such project is the construction of a railway track leading to Yogyakarta International Airport (YIA) in Kalidengen Village, where a single acting diesel hammer was employed. This study aims to analyze the environmental noise levels generated by the pile driving process at varying distances from the source. Noise level measurements were conducted at distances of 10 meters, 100 meters, and 150 meters using a calibrated sound level meter. The results show that the noise intensity at 10 meters reached values exceeding 120 dBA, while at 100 meters and 150 meters, the levels decreased significantly but still fluctuated between 50–65 dBA. A comparison was also made between the measured noise levels and theoretical predictions based on spherical spreading loss. The findings indicate a consistent decrease in noise levels with distance, in line with theoretical expectations, although certain deviations were observed due to site-specific conditions such as surface reflections and atmospheric absorption. The average noise levels at 100 meters and 150 meters were found to be close to or slightly above the environmental noise threshold of 55 dBA. This suggests a potential risk of noise disturbance in nearby residential areas. The study concludes that mitigation strategies, such as work time restrictions or temporary barriers, should be considered during pile driving operations in urban or residential settings.
Co-Authors Afif, M Nur Agus Margiantoro Ahadiyah, Naeli Ni'matin Ana Aprilia Anak Agung Gede Sugianthara Ardiansyah, Mustofa Ariyanti Nur Anisa Asep Yoyo Wardaya Awwalin, Aufi Rizqiatul Binu Soesanto, Qidir Maulana Bunawas Bunawas Choirul Anam Choirul Anam AM Diponegoro Cicilia Artitin Cory Amelia Darnawi Darnawi Dessy Dian Monita Pardede Djoko Heru Pamungkas Dodi Junaedi Dortua Helena Sidabutar Dr.Ir. Yunianta, DEA Eko Hidayanto Elvira Situmorang Erna Mariani Evi Handriani Bertua Simamora F Arianto Fajar Arianto Galih Puspa Saraswati Gede Sutresna Wijaya Gutji, Nelyahardi Hammam Oktajianto Hammam Oktajianto Handini Devi Yunitasari Harahap, Nur Hasanah Hariadi Subagja Ifa Istighfaroh Indras Marhaendrajaya Intan Andriani Jatmiko Endro Suseno K Sofjan Firdausi K. Sofjan Firdausi Kusworo Adi MARGIANTONO, Agus Masdi Masdi Maulana, Alsa Putra Mochammad Facta Mohammad Afif Rachmatulloh Much. Azam Muchammad Azam, Muchammad Mursiyatun Mursiyatun Nanang Suriansyah Ngurah Ayu Ketut Umiati Nina GInanto Putri Nur Indah Lestari Nurul Laili Khoirut Tabi’atin Pandji Triadyaksa Poppy Intan Thahaja Rahmadi Setyawan Riana Anis Safitri Ridwan Eko Susanto Rinarto Subroto S Juliawan S. Suryono Sanggam Ramantisa Sanggam Ramantisan Sanggam Ramantisan Sari, Devi Artika Setiyono Setiyono Sri Widata Stefani, Eska Sudrajat, Ignasius Suprih Sumariyah M.Si Sumariyah Sumariyah Suroto Suroto Susilo Hadi, Susilo Suwardi Suwardi Syahria Syahria Trisna Budiwati Verry Richardina, Verry Very Richardina Very Richardina Wijianto Wijianto Windarta, Jaka Yekti Maryani Yuppy Triwidatin Yusup Hidayat Zaenal Arifin Zaenul Muhlisin Zainul Muhlisin Zamroni Zamroni