Garuda - Garba Rujukan Digital

p-Index From 2020 - 2025

5.189

P-Index

This Author published in this journals

All Journal BERKALA FISIKA Pedagogi: Jurnal Ilmu Pendidikan PRISMA FISIKA Jurnal Visi Ilmu Pendidikan YOUNGSTER PHYSICS JOURNAL Jurnal Mahasiswa Teknologi Pendidikan (JMTP) Bulletin of Chemical Reaction Engineering & Catalysis Jurnal Fisika Unand Lentera Pustaka Jurnal Ilmiah Arena Tekstil QALAMUNA: Jurnal Pendidikan, Sosial, dan Agama BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) ELSE (Elementary School Education Journal) : Jurnal Pendidikan dan Pembelajaran Sekolah Dasar JMM (Jurnal Masyarakat Mandiri) Journal of Physics and Its Applications International Journal of Community Service Learning EduReligia : Jurnal Pendidikan Agama Islam Jurnal Ilmu Fisika International Journal for Educational and Vocational Studies Jurnal Studi Guru dan Pembelajaran Jurnal Ilmiah Profesi Pendidikan Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Physics Communication Indonesian Journal of Instructional Media and Model Journal of Computer Networks, Architecture and High Performance Computing Transformasi dan Inovasi : Jurnal Pengabdian Masyarakat Flight Attendant Kedirgantaraan: Jurnal Public Relation, Pelayanan, Pariwisata Jurnal Pendidikan MIPA

Fajar Arianto

Laboratorium Fisika Radiasi Dan Fisika Medik, Departemen Fisika Universitas Diponegoro, Jl. Prof. Soedarto SH Tembalang Semarang

Author-ID : 231976

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Transportation Other

Published : 46 Documents Claim Missing Document

Claim Missing Document

Articles

1 2 3 4 5

PENGARUH RADIASI PLASMA DAN PUPUK KANDANG KAMBING TERHADAP PERTUMBUHAN BAWANG MERAH VARIETAS BIMA BREBES Emi Anitasari; Erma Prihastanti; Fajar Arianto
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 6, No 2 (2020): Februari
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v6i2.2639

Shallot variety of Bima Brebes is a shallot variety that is widely cultivated by farmers in Indonesia because it is easy to grow and adapt to the local environment. However, in reality many farmers use the previous harvest for the next planting seed so that the yields obtained will be of poor quality. This study aims to determine the effect of giving nitrogen through corona incandescent plasma discharge and goat fertilizer on the growth of shallots so that it can improve the quality of onion seedlings. This study used a Completely Randomized Design (CRD) with a factorial pattern using a corona incandescent plasma discharge factor and goat manure. The results showed an interaction between the two factors that can be seen from the plant height parameters which showed significant results in the treatment of plant seeds that were plasma radiation for 30 minutes and the planting media were given goat manure 65 g. Based on the results of the study it can be concluded that the administration of corona incandescent plasma discharge and goat manure on the cultivation of shallots varieties of Bima Brebes was able to accelerate the time of sprouting by 200.3% and increase the growth of onion plants.

KARAKTERISASI REAKTOR PLASMA BERARUS POSITIF KONFIGURASI ELEKTRODA MULTITITIK-BIDANG DAN PENERAPANNYA PADA KAIN POLYESTER GREY Zaenul Muhlisin; Wienda Intan Permatasari; Fajar Arianto; Achmad Sjaifudin Tayibnapis; Pandji Triadyaksa
Arena Tekstil Vol 33, No 2 (2018)
Publisher : Balai Besar Tekstil

Penelitian tentang teknologi plasma pada kondisi atmosfer telah dilakukan untuk mengembangkan industri tekstil. Penelitian ini bertujuan untuk membandingkan karakteristik plasma dengan maupun tanpa penempatan kain polyester grey diantara dua elektroda serta mendapatkan karakteristik serapan tetes air pada kain polyester grey setelah diiradiasi menggunakan plasma. Plasma dibangkitkan dengan mengggunakan reaktor berkonfigurasi elektroda multititik-bidang menggunakan elektroda titik sebanyak 100. Elektroda titik tersebut dihubungkan dengan sumber tegangan tinggi DC dan berperilaku sebagai anoda dengan elektroda bidang sebagai katoda. Jarak antar elektroda titik ditetapkan sebesar 1,3 cm yang dikonfigurasi pada 10 baris dan 10 kolom. Kain polyester grey yang diiradiasi berukuran (10x10) cm2 dan diletakkan pada elektroda bidang. Dalam proses iradiasi, jarak antar elektroda diatur pada jarak 0,9 cm hingga 3,6 cm dengan tiap kenaikan jarak sebesar 0,3 cm. Mobilitas ion dalam proses iradiasi ditentukan dengan menggunakan karakteristik arus – tegangan dari pembangkitan plasma. Proses iradiasi plasma pada kain polyester grey ditetapkan selama 5 menit hingga 35 menit dengan tiap kenaikan durasi selama 5 menit. Hasil pengukuran menunjukkan bahwa semakin besar jarak antara elektroda mengakibatkan besar arus pembangkitan plasma semakin kecil. Akar arus sebagai fungsi terhadap tegangan merupakan persamaan garis lurus sehingga nilai mobilitas ion dapat ditentukan dengan pendekatan persamaan Robinson. Perhitungan mobilitas ion tanpa kain diantara elektroda menunjukkan nilai 30,07 cm2/Vs pada jarak antar elektroda 0,9 cm dengan trend menurun hingga 4,32 cm2/Vs seiring pertambahan jarak antar elektroda. Sedangkan perhitungan mobilitas ion dengan menempatkan kain polyester grey pada elektroda menunjukkan nilai 10,25 cm2/Vs pada jarak antar elektroda 2,1 cm dengan trend yang juga menurun hingga 3,39 cm2/Vs seiring pertambahan jarak antar elektroda. Karakteristik kain polyester grey mengalami perubahan berupa penyerapan tetes air yang semakin cepat hingga 1,2 detik dimana sebelum diiradiasi terukur selama sebesar 15 detik.

PEMBANGKITAN LUCUTAN PIJAR KORONA NEGATIF PADA KONDISI ATMOSFER DAN PENGARUHNYA TERHADAP RESAPAN AIR PADA KAIN KATUN DAN POLIESTER GREY Zaenul Muhlisin; Dhyan Prastiwi; Herli Darliawati; Achmad Sjaifudin Tayibnapis; Fajar Arianto; Asep Yoyo Wardaya; Sumariyah Sumariyah; Muhammad Nur
Arena Tekstil Vol 32, No 2 (2017)
Publisher : Balai Besar Tekstil

Pada penelitian ini akan diungkapkan tentang lucutan korona negatif pada kondisi atmosfer dan bagaimana pengaruhnya terhadap sifat resapan air di kain poliester grey. Tujuan dari penelitian ini adalah membandingkan pembangkitan lucutan pijar korona negatif dengan dua jenis elektroda yang berbeda geometri dan mengamati sifat serapan air pada kain poliester grey yang telah diiradiasi dengan lucutan ini. Pembangkitan lucutan korona negatif pada kondisi atmosfer ini dilakukan dengan menggunakan dua jenis geometri elektroda, yaitu elektroda titik-bidang dan elektroda garis-bidang. Elektroda titik maupun garis diperlakukan sebagai katoda dan elektroda bidang diperlakukan sebagai elektroda anoda. Pengukuran beda potensial dan arus menggunakan multimeter digital. Iradiasi kain dilakukan dengan menempatkan kain katun maupun poliester pada elektroda bidang. Uji tetes dilakukan untuk mendapatkan karakter serapan air terhadap kain yang telah diiradiasi. Lucutan yang dibangkitkan pada kondisi atmosfer akan meningkat arusnya ketika diberi penambahan tegangan. Karakteristik lucutan saat kain berada anoda sedikit berbeda bila dibandingkan tanpa adanya kain, namun pola lucutan masih relatif sama. Pada uji tetes menunjukkan bahwa lucutan korona negatif pada kain poliester maupun katun berpengaruh pada penurunan waktu serap. Selain itu, durasi iradiasi terhadap kain sangat berpengaruh terhadap penurunan waktu serap air di kain katun maupun poliester. Penurunan mencolok terlihat pada kain poliester grey dimana sebelumnya 16 detik menjadi kurang dari 2 detik.

Pengaruh Ozon yang Dibangkitkan Melalui Reaktor Plasma Berpenghalang Dielektrik Elektroda Silinder Spiral Terhadap Pengawetan Cabai Saraslifah Saraslifah; Muhammad Nur; Fajar Arianto
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (338.853 KB)

Research on the effects of ozone generated by the plasma reactor cylindrical spiral electrode to the shelf life of chili has been done in Plasma Physics Laboratory, Diponegoro University. This study aims to obtain optimal voltage values to produce maximum ozone. And obtaining effect of ozonation time and storage for chili quality. Ozon which used is produced by dielectric barrier discharge plasma reactor with spiral cylinder configuration. This ozon , which produced by the reactor dissolved in water for washed the chili. Chili using ozone washing is done with a variety of washing time 0,5,10,15,20,25 and 30 minutes. The chili then stored in a refrigerator at a temperature of 17 ℃ for 25 days. Characterization of the reactor showed that the greater value of the applied voltage, increased current and concentration of ozone produced. Voltage used for ozonantion is 2400 V with a concentration of ozone generated at 23.75 ppm. Ozone dissolved in water to wash the chili with dissolved ozone concentration is 1.66 ppm or 7%. From the analysis of the level of damage chili, ozonation results with lowest damage rate is at the time of treatment 15 minutes with a percentage of 8% damage to the shelf life of 25 days. From the test results of proximate preservation chili using ozone is not particularly affect the content in chili peppers that is safe to use. The longer the treatment time, reduce the amount of bacteria on pepper growing. At thetime of treatment 15 minutes colonies of fungi reduced til 50,8 % and bacteria were reduced 51.7%. It seen from the results of TPC (Total Plate Count).

Karakterisasi reaktor plasma berarus positif dengan konfigurasi elektroda titik-bidang dan penerapannya pada kain polyester grey Ukhti Nurohma Rizki; Zaenul Muhlisin; Fajar Arianto
Youngster Physics Journal Vol 7, No 1 (2018): Youngster Physics Journal Januari 2018
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (743.368 KB)

In this research, the effect of corona discharge plasma radiation on polyester knitting fabrics aimed at obtaining characterization of stress, current and distance relationships, obtaining ion mobility values, obtaining irradiated polyester knit fabric characterization, and obtaining SEM results showing morphological changes fabric. The reactor used is a corona discharge plasma reactor with a configuration of positive point of origin with DC high voltage generator, 15x15 cm in size with the number of 100 point needles. Factors affecting non-sample characterization or with polyester knit fabric sample as irradiation parameters include duration of irradiation, electrode spacing, and applied voltage. Based on the results of unsampled characterization and with samples using 10 variations of distance, from 0.9 cm, 2.1 cm, 2.4 cm, 2.7 cm, 3.0 cm, 3.3 cm and 3.6 cm. The result of unsampled characterization shows the current and the resulting voltage is higher than the sample. This, due to the resistivity of the fabric is lower than air resistivity, so the resulting voltage and current are small. Can be seen at a distance of 0.9 cm without sampling a rise in current of 2.5 mA with a magnitude of 0.535 kV, and there is a sample at a current rise at 2.5 mA resulting only a voltage of 0.236 kV. The resulting ion mobility shows that the greater the electrode distance the ion mobility becomes smaller. The water drop test used 5 variations of distance from 1.2 cm, 1.5 cm, 1.8 cm, 2.1 cm and 2.4 cm with duration of 5-35 minutes with 5-minute increments. Water drop test results also show that the longer the process of irradiation of polyester knitting cloth gray, then the absorption time increases. This is shown in the study where the duration of 5 minutes obtained the absorption time of 6.42 seconds while in the duration of 35 minutes obtained time 2.87 seconds. in SEM test results used 3 fabric where the fabric I as control, fabric II and fabric III experienced plasma irradiation. The control fabric has a finer surface than the plasma-treated cloth. SEM test results note that plasma change morphology on polyester fabric, thus increasing the roughness of fabric surface. Keywords: polyester fabrics, ion mobility, multi-point fields, textile treatment, corona plasma, clashing fabric properties

Karakteristik plasma lucutan berpenghalang dielektrik isian gas Nitrogen Febry Fitriani; Muhammad Nur; Fajar Arianto
Youngster Physics Journal Vol 6, No 3 (2017): Youngster Physics Journal Juli 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (737.237 KB)

Research on the characteristics of the dielectric barrier discharge filled with Nitrogen gas fields has been done. The plasma reactor that used in this study formed by a spiral-shaped cylindrical electrode component. Spiral electrode is made of copper wire with 72 windings and 25.05 mm of diameter, while the cylindrical electrode from copper sheets are glued on the walls of the outer tube diameter of 0,27 mm with a length of 25 cm. The dielectrics that used is pyrex with a length of 30 cm, a diameter of 3 cm, and a thickness of 2,45 mm. Characterization of dielectric barrier discharge plasma is used to determine the working area of the reactor and knowing the initial voltage to the emergence of the current as a sign of discharge. This characterization was done with Nitrogen gas field, which is a variation of voltage used is from 0,4 to 1.2 kV with a rise of 0.2 kV interval and Nitrogen flow rate of 2-8 L /min with intervals increase of 1 L/min. Result in the discharge flow 7 L/min with the lowest mobility value of 58.300 m2/V.s and the discharge flow 4 L/min with the highest mobility value of 91.600 m2/V.s. Therefore, it can be concluded that the greater the saturation current value, the greater the value of the ion mobility (μ).Keywords: Dielectric barrier discharge plasma, Characteristics of dielectric barrier discharge plasma, Mobility of charge carriers.

Karakterisasi reaktor plasma berarus positif dengan konfigurasi elektroda multi garis-bidang Sholehah Aisyah; Muhlisin Zaenul; Arianto Fajar
Youngster Physics Journal Vol 6, No 2 (2017): Youngster Physics Journal April 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (207.169 KB)

Plasma technology is the most widely researched technology. Research on various types of plasma reactors began much done in order to obtain plasma which has high homogeneity. This study aims to obtain plasma discharge characteristic I-V relations in the plasma reactor wire-plate electrode configuration. This study uses nine electrodes wire with a length of 12 cm and a diameter of 0.38 mm as the positive electrode and PCB as a negative electrode plates. Characterization of plasma corona wire-plate is done by adjusting the distance between the electrodes of 1.8 cm, 2.1 cm, 2.4 cm, 2.7 cm, 3.0 cm, 3.3 cm, 3.6 cm, 3.9 cm, 4.2 cm, and 4.5 cm. The results showed that the current increases with the applied voltage and inversely proportional to the distance between the electrodes. In the future this method it is possible to be applied on an industrial scale.Keywords: Plasma corona, plasma corona wire-plate

Karakterisasi reaktor plasma lucutan berpenghalang dielektrik berkonfigurasi elektroda spiral-silinder dengan sumber udara bebas Istiqomah Istiqomah; Muhammad Nur; Fajar Arianto
Youngster Physics Journal Vol 6, No 3 (2017): Youngster Physics Journal Juli 2017
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (513.772 KB)

A research about characteristics of the plasma reactor dielectric barrier discharge gas filling the air. Plasma reactor in this research was prepared by component an electrode in the form of copper wire wrapped with a number of turns as much as 72 coil and coil diameter 25,05 mm, pyrex tube with a length of 30 cm, a diameter of 3 cm, and a thickness of 2,45 mm as a dielectric barrier, and the outer electrode in the form of cooper sheet the loaking the pyrex tube. This characterization is done by the air stream into the reactor without sample. Input voltage variation used 0,2-1,4 kV at intervals rise of 0,2 kV and the air flow rate 1-10 L/min with intervals increase of 1 L/min. The results of the characterization of current and voltage is obtained, the greater the measured current with increasing voltage and air flow rate given. The result of the characterization can be used to calculate the value of the charge carrier mobility, and the charge carrier mobility values obtained on the air flow rate 1-8 L/min increased along with the increase in air flow rate. Mobility values in the lowest obtained by air flow rate 2 L/min and the highest air flow rate 8 L/min at 2,59 x 10-5 m2/Vs and 6,08 x 10-5 m2/Vs. In addition, there are also ozone measured from the reactor stuffing free air, and obtained the maximum ozone concentration in the air flow rate of 10 L/min at 191,698 ppm.Keywords: the plasma dielectric barrier discharge, ozone, mobility of the charge carriers

Evaluation of Novel Integrated Dielectric Barrier Discharge Plasma as Ozone Generator Muhammad Nur; Ade Ika Susan; Zaenul Muhlisin; Fajar Arianto; Andi Wibowo Kinandana; Iis Nurhasanah; Sumariyah Sumariyah; Pratama Jujur Wibawa; Gunawan Gunawan; Anwar Usman
Bulletin of Chemical Reaction Engineering & Catalysis 2017: BCREC Volume 12 Issue 1 Year 2017 (April 2017)
Publisher : Department of Chemical Engineering - Diponegoro University

This paper presents a characterization of an integrated ozone generator constructed by seven of reactors of Dielectric Barrier Discharge Plasma (DBDP). DBDP a has spiral-cylindrical configuration. Silence plasma produced ozone inside the DBDP reactor was generated by AC-HV with voltage up to 25 kV and maximum frequency of 23 kHz. As a source of ozone, dry air was pumped into the generator and controlled by valves system and a flowmeter. We found ozone concentration increased with the applied voltage, but in contrary, the concentration decreased with the flow rate of dry air. It was also found that a maximum concentration was 20 mg/L and ozone capacity of 48 g/h with an input power of 1.4 kW. Moreover, in this generator, IP efficiency of 8.13 g/kWh was obtained at input power 0.45 kW and air flow rate of 9 L/min. Therefore, be the higher ozone capacity can be produced with higher input power; however, it provided lower IP efficiency. The effect of dry air flow rate and applied voltage on ozone concentrations have been studied. At last, spiral wire copper was very corrosive done to the interaction with ozone, and it is necessary to do a research for finding the best metals as an active electrode inside of the quartz dielectric.

Improving water absorption time and the natural silk strength (Bombyx Mori) using atmospheric dielectric barrier discharge plasma Zaenul Muhlisin; Muhammad Adrian Lathif; Fajar Arianto; Pandji Triadyaksa
Journal of Physics and Its Applications Vol 3, No 2 (2021): May 2021
Publisher : Diponegoro University Semarang Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpa.v3i2.10658

This researchaimed to obtain Dielectric Barrier Discharge plasma discharge characteristics with and without the placement of natural silkBombyx Mori on one of the electrodes. Furthermore, the strength and the water absorption time of the irradiated silk samples will be analyzed. Plasma discharge is generated by connecting electrodes of point-to-plane configuration with a sheet of glass inserted on the plane electrode at atmospheric conditions. The characterization of plasma discharge, either with or without the natural silk samples' placement on the plane electrode, was performed by increasing A.C.'s high voltage power source to reach arch discharge. Theelectrode spacing varied from 0.7 cm to 2.5 cm with a 0.3 cm increment. Sample irradiation was performed using cold plasma for 5, 15, and 30 minutes respectively. Placing or not placing the natural silk samples on the plane electrode will increase the plasma's discharge current and increase the high voltage. Moreover, increasing the distance between the electrodes and placing the sample on the plane electrode decreases the discharge current. Using Scanning Electron Microscopy, it was found that increasing plasma irradiation time on samples decreases the silk thread'sdiameterand shortening its water absorption time. The strength of irradiated fabric was reduceduntil 15 minutes of irradiation. However, at 30 minutes of irradiation, there was an increase in sample thickness compared to control samples.

Co-Authors Abror, Sirojuddin Achmad Sjaifudin Tayibnapis Ade Ika Susan Agusti, Fiqrie Restia ALFINA RAHMAWATI, DIAN Ali Khumaeni AMALIA WAHYUNINGTYAS, ISTI Anas Ahmadi Andi Kristanto Andi Mariono Andi Wibowo Kinandana Anitasari, Emi Anwar Usman Armilah, Mila Siti Asep Yoyo Wardaya Auliyani, Chaeriyatun Nissa Azizul Khakim, Azizul Bambang Yulianto Binar Kurnia Prahani Chrisdian, Viddo Citra Fitri Kholidya Dahurandi, Keristian Darliawati, Herli Darmanto Darmanto Dewantari, Aditya Dhyan Prastiwi Emi Anitasari Erma Prihastanti Fatah Yasin FAUZI ADHIM, MUHAMMAD Febry Fitriani Fuad Anwar, Fuad Gunawan Gunawan Hadi Prasetyo Utomo Handayani, Liska Tri Handayani, Nita Hariyati, Mutty Harmanto Harmanto HASAN SUBEKTI Hasan, Siti Nurjannah Hasnawati, Lina Hayati, Widia Herli Darliawati Husni Mubarok Iis Nurhasanah Isa Ansori Islami, Jundu Muhammad Mufakkirul Istiqomah Istiqomah K Sofjan Firdausi khusnul khotimah Layli Hidayah Liska Tri Handayani M.A. Muazar Habibi Maharani, Rosy Puspa Martadi, Martadi Medina, Alfiarani Meisa Diningrat, Syaiputra Wahyuda Muhammad Adrian Lathif Muhammad Nur Muhammad Nur Muhammad Nur Muhammad Nur Mustaji Mustaji, Mustaji Ngurah Ayu Ketut Umiati Novan Prawira, Dyon Nur, Muhammad Nuryati, Dwi Wahyu Nurzanah, Salsabilla Choerunnisa Pandji Triadyaksa Prasetyo Basuki Prastiwi, Dhyan Pratama Jujur Wibawa PUSPITA WIRASARI, ENGGAL Putri, Weni Antari Rayhani, Fauziah Rety, Dahniarti Cahyani Riyatun, Riyatun RR. Ella Evrita Hestiandari Saraslifah Saraslifah Setyaedhi, Hari Sugiharto Shofiana, Fahlulia Rahma Sholehah Aisyah Siti Khodijah Siti Masitoh Sueb Suharyana Suharyana Sumariyah Sumariyah SYAIPUTRA WAHYUDA MEISA DINING Tayibnapis, Achmad Sjaifudin Terananda, Nabila Zuhroh Ukhti Nurohma Rizki Utari Dewi Utari Utari Very Richardina Wahyu Setia Budi Waode Hamsia, Waode Wasilatul Murtafiah Wienda Intan Permatasari YATIM RIYANTO Zaenul Muhlisin

Title

Found 46 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 46 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 46 Documents
Search