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All Journal Jurnal Ilmu Dasar Jurnal Sains Materi Indonesia Abdimas Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Saintifika UNEJ e-Proceeding Spektra: Jurnal Fisika dan Aplikasinya Jurnal Ilmu Fisika Jurnal Jaring SainTek Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Makara Journal of Technology Newton-Maxwell Journal of Physics SAINTIFIKA
Artoto Arkundato
Jurusan Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences

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Thermoelectric Generator Module as An Alternative Source Of Electrical Energy in Rural Areas Arkundato, Artoto; Jatisukamto, Gaguk; Misto, Misto; Maulina, Wenny; Syah, Khalif Ardian
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 18, No 1 (2020): July
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v18i1.23691

Abstract

It has been done  a research to design a heat-to-electric converter as an alternative electrical energy source based on the thermoelectric generator devices that can convert the heat into the DC electricity. This research aims to determine the optimal operating temperature range to produce the thermoelectric generator’s output voltage as the desired conversion module. The developed conversion module uses the Seebeck effect by applying four thermoelectric generators arranged in an electrical circuit series. The electric current in thermoelectric generator occurs under the Seebeck effect due to the temperature difference between the two metal chips in the thermoelectric generator module. Candles were used as a heat source of thermoelectric generator module, while water is used for cooling. The results showed that the application of thermoelectric generator technology had produced an electrical voltage of about 5 volts. The thermoelectric generator’s operating temperature around 100 ºC, and the temperature of the water cooling medium was maintained at around 30 ºC so that there is a correlation with a temperature difference of about 70 ºC between the two sides of the thermoelectric generator chips. The electrical voltage that occurs could be used as a source of electrical energy for any purposes.
MODUL TEG (TERMOELECTRIC GENERATOR) KONVERSI PANAS MENJADI LISTRIK UNTUK APLIKASI PANDEBESI arkundato, artoto
Jurnal Abdimas Vol 24, No 1 (2020): June
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LP2M), Universitas Negeri Semarang

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Abstract

Tungku Pandebesi tempat pemanasan baja tempa menghasilkan panas yang cukup besar. Dengan sumber panas dari pembakaran arang kayu yang dapat mencapai temperatur 1000ºC maka proses pembuatan perkakas pandebesi setiap hari dikerjakan. Namun demikian pandebesi tradisional pada umumnya mempunyai desain tungku terbuka sehingga panas yang diperlukan cenderung tidak efisien karena banyak yang terbuang ke lingkungan. Dilain pihak, di daerah pedesaan listrik mungkin masih menjadi barang yang langka. Artikel ini merupakan hasil kegiatan pengabdian masyarakat di desa Sugerkidul kecamatan Jelbuk kabupaten Jember. Di daerah ini terdapat usaha pandebesi yang masih tradisional dengan sekitar 10-12 kelompok yang masih aktif namun didominasi orang tua. Konsep yang diusung pada kegiatan pemgabdian ini adalah menerapkan modul TEG (termoelectric generator) untuk mengubah panas hasil pembakaran arang kayu yang terbuang dan tidak digunakan dalam proses pemanasan baja tempa menjadi listrik tersimpan. Listrik hasil konversi panas akan disimpan dalam modul penyimpan sampai pekerjaan pandebesi selesai. Listrik yang tersimpan dapat digunakan untuk berbagai keperluan praktis seperti penerangan ruang, charger HP, charger lampu darurat dan sebagainya. Oleh karena itu modul TEG ini dapat dikatakan sumber listrik mandiri skala mikro.
MODUL TEG (TERMOELECTRIC GENERATOR) KONVERSI PANAS MENJADI LISTRIK UNTUK APLIKASI PANDEBESI arkundato, artoto
Jurnal Abdimas Vol 24, No 1 (2020): June 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/abdimas.v24i1.21248

Abstract

Tungku Pandebesi tempat pemanasan baja tempa menghasilkan panas yang cukup besar. Dengan sumber panas dari pembakaran arang kayu yang dapat mencapai temperatur 1000ºC maka proses pembuatan perkakas pandebesi setiap hari dikerjakan. Namun demikian pandebesi tradisional pada umumnya mempunyai desain tungku terbuka sehingga panas yang diperlukan cenderung tidak efisien karena banyak yang terbuang ke lingkungan. Dilain pihak, di daerah pedesaan listrik mungkin masih menjadi barang yang langka. Artikel ini merupakan hasil kegiatan pengabdian masyarakat di desa Sugerkidul kecamatan Jelbuk kabupaten Jember. Di daerah ini terdapat usaha pandebesi yang masih tradisional dengan sekitar 10-12 kelompok yang masih aktif namun didominasi orang tua. Konsep yang diusung pada kegiatan pemgabdian ini adalah menerapkan modul TEG (termoelectric generator) untuk mengubah panas hasil pembakaran arang kayu yang terbuang dan tidak digunakan dalam proses pemanasan baja tempa menjadi listrik tersimpan. Listrik hasil konversi panas akan disimpan dalam modul penyimpan sampai pekerjaan pandebesi selesai. Listrik yang tersimpan dapat digunakan untuk berbagai keperluan praktis seperti penerangan ruang, charger HP, charger lampu darurat dan sebagainya. Oleh karena itu modul TEG ini dapat dikatakan sumber listrik mandiri skala mikro.
Thermoelectric Generator Module as An Alternative Source Of Electrical Energy in Rural Areas Arkundato, Artoto; Jatisukamto, Gaguk; Misto, Misto; Maulina, Wenny; Syah, Khalif Ardian
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 18, No 1 (2020): July
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v18i1.23691

Abstract

It has been done  a research to design a heat-to-electric converter as an alternative electrical energy source based on the thermoelectric generator devices that can convert the heat into the DC electricity. This research aims to determine the optimal operating temperature range to produce the thermoelectric generator’s output voltage as the desired conversion module. The developed conversion module uses the Seebeck effect by applying four thermoelectric generators arranged in an electrical circuit series. The electric current in thermoelectric generator occurs under the Seebeck effect due to the temperature difference between the two metal chips in the thermoelectric generator module. Candles were used as a heat source of thermoelectric generator module, while water is used for cooling. The results showed that the application of thermoelectric generator technology had produced an electrical voltage of about 5 volts. The thermoelectric generator’s operating temperature around 100 ºC, and the temperature of the water cooling medium was maintained at around 30 ºC so that there is a correlation with a temperature difference of about 70 ºC between the two sides of the thermoelectric generator chips. The electrical voltage that occurs could be used as a source of electrical energy for any purposes.
Analisis Fraksi Volume Bahan Bakar Uranium Karbida Pada Reaktor Cepat Berpendingin Gas Menggunakan SRAC Code Ratna Dewi Syarifah; Nabil Nabhan MH; Zein Hanifah; Iklimatul Karomah; Ahmad Muzaki Mabruri; Artoto Arkundato
Jurnal Jaring SainTek Vol. 3 No. 1 (2021): April 2021
Publisher : Fakultas Teknik, Universitas Bhayangkara Jakarta Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31599/jaring-saintek.v3i1.333

Abstract

Analysis of fuel volume fraction with uranium caride fuel in Gas Cooled Fast Reactor (GFR) with SRAC Code is has been done. The calculation used SRAC Code (Standard Reactor Analysis Code) which is developed by JAEA (Japan Atomic Energy Agency), and the data libraries nuclear used JENDL 4.0. There are two calculation has been used, fuel pin cell calculation (PIJ Calculation) and core calculation (CITATION Calculation). In core calculation, the leakage is calculated so the calculation more precise. The CITATION calculation use two type of core configuration, i.e. homogeneous core configuration and heterogeneous core configuration. The power density value of two type core configuration is quite difference. It is better use heterogeneous core configuration than homogeneous core configuration, because the power density of heterogeneous core configuration is flatter than the other. From the analysis of fuel volume fraction, when the volume fraction is increase, the k-eff value is increase. And the optimum design after has been analysis for fuel volume fraction, that is the fuel volume fraction is 49% with a heterogeneous core configuration of three types of fuel percentages, for Fuel1 9%, Fuel2 12% and Fuel3 15%. This reactor is cylindrical, has a core diameter of 240 cm and a core height of 100 cm.
SIMULATION OF IRON CORROSION IN LEAD-MAGNESIUM EUTECTIC (LME) USING OXYGEN INHIBITOR Umi Sa'adah; Artoto Arkundato; Moh. Hasan
Jurnal Sains Materi Indonesia Vol 21, No 3: APRIL 2020
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/jsmi.2020.21.3.5934

Abstract

SIMULATION OF IRON CORROSION IN LEAD-MAGNESIUM EUTECTIC (LME) USING OXYGEN INHIBITOR. Lead-magnesium (Pb-Mg) is a metal that considered to have potential as a coolant raw material in the heat transfer system of nuclear reactors. However, the coolant in the form of Pb-Mg eutectic is corrosive to structured materials (eg steel cladding) used in reactors. In this research, steel material is represented by pure iron to simplify the simulation and calculation. This research aims to determine the effect of temperature on iron corrosion and the effect of adding oxygen as an inhibitor to reduce the iron corrosion rate in LME. In this study, corrosion was observed by looking at (coefficient) the diffusion of iron atoms into LME. A large iron diffusion coefficient represents high iron corrosion. To see inhibition effectivity with oxygen, the most effective oxygen concentration that can reduce the iron diffusion coefficient is searched. Simulations of iron corrosion and inhibition are performed using molecular dynamics simulation. The result of this research showed that oxygen concentration mixed into LME for effective inhibition of iron corrosion was in the range of 0.125 wt% - 0.135 wt% (for temperatures of 973K). Thus, oxygen is believed that able to inhibit iron corrosion in Pb-Mg eutectic up to 98.44%
PENGARUH MICROWAVE ASSISTED PADA KURVA HISTERISIS MULTI DOMAIN BAHAN FEROMAGNETIK NIFE Edy Wahono; Luthfi Rohman; Artoto Arkundato
Saintifika Vol 22 No 1 (2020)
Publisher : Jurusan Pendidikan MIPA FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/saintifika.v22i1.14407

Abstract

Bahan alloy NiFe merupakan salah satu bahan feromagnetik yang memilki tekstur kuat dengan nilai anisotropi magnetik dan medan koersivitas besar. Kurva histerisis bahan NiFe ini menghasilkan medan koersivitas yang besar dalam golongan hard magnet. Penelitian ini mengkaji pengaruh dari microwave assisted pada kurva histerisis bahan NiFe dalam bentuk ellipsoid. Pengaruh microwave assisted membantu untuk mengecilkan medan koersivitas sehingga mengalami pembalikan magnetisasi semakin cepat untuk kembali pada posisi awal. Hasil simulasi pada ukuran 50 nm struktur multi domain dengan memberikan frekuensi 20 GHz dan amplitudo 100 mT diperoleh medan koersivitas sebesar 80 mT sedangkan pada frekuensi 200 GHz dan amplitudo 1000 mT diperoleh medan koersivitas sebesar 55 mT. Pengaruh dari microwave assisted yang dipengaruhi terjadi perubahan medan koersivitas yang semakin kecil.
Seismic Resolution Enhacement with Spectral Decomposition Attribute at Exploration Field in Canada Illavi Praseti Pebrian; Puguh Hiskiawan; Artoto Arkundato
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Seismic data that has a high resolution is very important used to describe hydrocarbon reservoirs in detail. Inconventional seismic data, the available bandwidth is limited and cannot map the thin layers that seen on well data, therefore, the way to improve the resolution of seismic data is needed. In this research, the method used to improve the resolution of seismic data is spectral decomposition. Spectral decomposition can characterize the seismic response at a particular frequency, and can also be used to filter the data, eliminating signals that are unwanted or increase the quality of data. Spectral decomposition method used is the Continuous Wavelet Transform (CWT). This study had been carried out by implementing CWT in certain wavelet and frequency to analyze the seismic resolution. The various wavelets had been used this study, are Morlet and Gaussian. The various frequencies of 2 Hz, 14 Hz, 20Hz, 25 Hz, 31 Hz, and 51 Hz in 1180 inline. The results obtained from this study show that the use of higher frequency shows better separation. In addition, the application of seismic data in the area of research Penobscot, the best separation of thin layer is in the tuning frequency 51 Hz using Morlet wavelet in 1180 inline.
Simulatian of self diffusion of iron (Fe) and Chromium (Cr) in Liquid lead by Molecular Dynamic Ernik Dwi S; Artoto Arkundato; Supriyadi Supriyadi; Heru Baskoro; Elva Nurul F
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Number of rectors have become more and more from year to year, and there are currently around 800 reactors operated around the world. Fast breeder reactor then is one of the new types of reactors design, that are still being developed. Then the corrosion resistance of steels used in reactor, is one focus of today researches, due to the corrosive nature of material immersed in high temperature molter liquid metal, as Pb coolant. A strong interaction between the atoms of steels with molten metal at high temperatures causes of occurrence of diffusion processes between the steel and the cooling material. Self diffusion coefficient is a physical parameter that may be used to identify the corrosivity of steel. The choice of using the selected material than is crucial in nuclear reactors design. The corrosion simulations were run using LAMMPS molecular dynamics software. This simulation showed that adding Cr in the FeCr was placed in the center of liquid lead does not have effect for self diffusion of iron.
Instantaneous Analysis Attribute for Reservoir Characterization at Basin Nova-Scotia, Canada Ruliyanti Ruliyanti; Puguh Hiskiawan; Artoto Arkundato
UNEJ e-Proceeding 2016: Proceeding The 1st International Basic Science Conference
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Analysis of data seismic attributes used in the Basin of Nova-Scotia, Canada. This analysis aimed to determine the distribution of reservoir and reservoir characterization. Seismic attribute used the instantaneous attributes which included instantaneous amplitude, instantaneous frequency and instantaneous phase while for reservoir characterization used crossplot between instantaneous attributes with well log data. The attribute ran on specified target zone, the attribute analysis to determine the distribution of the reservoir. Crossplot conducted to determine the characteristics or physical properties of the reservoir in the target zone. Furthermore, lithologic and stratigraphic analysis to determine the geological conditions of the target zone. The study was conducted in inline and crossline of Logan Canyon formations. Research results obtained in the form of small fractures that are not visible and the two major faults with direction Northwest-Southeast and has the attributes of instantaneous output value is low. This fault is also the location of a distribution reservoir contained in the target zone. For the reservoir characteristics such as porosity and acoustic impedance range of values obtained respectively, so it can be said that the target zone is dominated by a sandstone reservoir form.
Co-Authors Ahmad Muzaki Mabruri Edy Wahono Edy Wahono Elva Nurul F Endhah Purwandari Erfan Handoko, Erfan Ernik Dwi S Fauzia, Vivi Frendi Wahyudi Priyanto Gaguk Jatisukamto Hadi Paramu Heru Baskoro Iklimatul Karomah Iklimatul Karomah Illavi Praseti Pebrian Iwan Sugihartono Lara Permata Sari, Lara Permata Lutfi Rohman Lutfi Rohman Luthfi Rohman Luthfi Rohman Misto Misto Misto Misto Misto Misto Moh. Hasan Mohammad Ali Shafii Muhammad Abdul Bashar Imanullah Nabil Nabhan MH Nikodemus Umbu Janga Hauwali Nur Inna Alfianinda Nuri Trianti Puguh Hiskiawan Ruliyanti Ruliyanti Siti Aisyah Ayudia Supriyadi Supriyadi Syah, Khalif Ardian Syarifah, Ratna Dewi Umar Sahiful Hidayat Umi Sa'adah Umi Sa’adah Wenny Maulina, Wenny Zein Hanifah