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All Journal International Journal of Renewable Energy Development BERKALA FISIKA Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Indonesian Journal of Physics and Nuclear Applications INDONESIAN JOURNAL OF APPLIED PHYSICS Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Ilmu Fisika Molekul: Jurnal Ilmiah Kimia ASEAN Journal on Science and Technology for Development Jurnal Fisika Indonesia Molekul: Jurnal Ilmiah Kimia International Journal of Renewable Energy Development
Bilalodin Bilalodin
Department Of Physics, Faculty Of Mathematics And Natural Science, Universitas Jenderal Soedirman, Jalan Dr. Suparno Karangwangkal, Purwokerto 53123
Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics

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Optimasi Prototipe Turbin Angin Menggunakan Metode Conjugate Gradient Bilalodin, Bilalodin; Sugito, Sugito
BERKALA FISIKA Vol 13, No 2 (2010): Berkala Fisika, Edisi Khusus
Publisher : BERKALA FISIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (366.573 KB)

Abstract

One of the principal issue of energy conversion from wind energy to electrical energy is the optimization of its conversion process. Energy conversion is called optimum if the power lost is  minimum. The condition can be attained at the development stage of a wind turbine prototype.  This research will determine the optimum value the  variables of  various operation condition by using  multivariables Conjugate Gradient (CG) optimization algorithm. It is found that the optimum value is attained at  H = 1,0 m and D = 0,6 m, hence minimum power lost. The performance of turbine prototype design at laboratory, showed that the turbine can testing at low and high wind speed and   the irrespective of wind direction condition.    Keywords :  optimalization, prototype, wind turbin, conjugate gradient  
Numerical Analysis of Energy Converter for Wave Energy Power Generation-Pendulum System Aminuddin, Jamrud; Effendi, Mukhtar; Nurhayati, Nurhayati; Widiyani, Agustina; Razi, Pakhrur; Wihantoro, Wihantoro; Aziz, Abdullah Nur; Abdullatif, R Farzand; Sunardi, Sunardi; Bilalodin, Bilalodin; Arifin, A
International Journal of Renewable Energy Development Vol 9, No 2 (2020): July 2020
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.9.2.255-261

Abstract

The wave energy power generation-pendulum system (WEPG-PS) is a four-wheeled instrument designed to convert wave power into electric energy. The first wheel is connected to the pendulum by a double freewheel, the second and third are ordinary wheels, while the fourth is a converter component that is axially connected to the electric generator. This design used the Euler-Lagrange formalism and Runge-Kutta method to examine an ideal dimension and determine the numerical solution of the equation of motion related to the rotation speed of the wheels. The result showed that the WEPG-PS' converter system rotated properly when its mass, length, and moment of inertia are 10 kg, 2.0 m, and 0.25 kgm2, respectively. This is in addition to when the radius of the first, second, third, and fourth wheels are 0.5, 0.4, 0.2, and 0.01 m, with inertia values of 0.005, 0.004, 0.003, and 0.1 kgm2. The converter system has the ability to rotate the fourth wheel, which acts as the handle of an electric generator at an angular frequency of approximately 500 - 600 rad/s. The converter system is optimally rotated when driven by a minimum force of 5 N and maximum friction of 0.05. Therefore, the system is used to generate electricity at an amplitude of 0.3 - 0.61 m, 220 V with 50 Hz. Besides, the lower rotation speed and frequency of the energy converter of the WEPG-PS (300 rad/s) and induction generator (50 Hz) were able to generate electric power of 7.5 kW. 
Design Collimator and Dosimetry of in Vitro and in Vivo Test Using MCNP-X Code Sri Yuniarti; Yohannes Sardjono; Bilalodin Bilalodin
Indonesian Journal of Physics and Nuclear Applications Vol 1 No 1 (2016)
Publisher : Fakultas Sains dan Matematika Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (601.551 KB) | DOI: 10.24246/ijpna.v1i1.14-19

Abstract

Studies were carried out to collimator modelling and dosimetry BNCT of in vitro and in vivo test using MCNP-X code. Collimator modelling performed to obtain neutron beam as required by the International Atomic Energy Agency (IAEA). Dosimetry calculations performed to obtain the results of the dose calculation (dosimetry) in the application of BNCT.  Collimator modelling and dosimetry simulations performed with MCNPX program. Neutron sources used for simulation, namely cyclotrons HM-30, energy 30 MeV, the current is 1.1 mA. Collimator modelling utilizes to program MCNPX covers cells target as beryllium, collimator wall (reflector), moderate, filter, gamma-ray shielding, and aperture. The simulation results of the modelling are Φepi 1.02241x1010 n/cm2 s, Df/Φepi 2.36487x10-11 Gy-cm2/n, Dγ/Φepi 4.68416x10-12 Gy-cm2/n, Φth/Φepi 3.76285x10-01, J/Φepi 8.37678x103. Based on the calculation of the dose rate that has been done, the result that the optimal dose rate at a depth of 1cm.
Double Layer Collimator for BNCT Neutron Source Based on 30 MeV Cyclotron Bilalodin Bilalodin; Kusminarto Kusminarto; Arief Hermanto; Yohannes Sardjono; Sunardi Sunardi
Indonesian Journal of Physics and Nuclear Applications Vol 2 No 3 (2017)
Publisher : Fakultas Sains dan Matematika Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (474.247 KB) | DOI: 10.24246/ijpna.v2i3.124-127

Abstract

A research of design of double layer collimator using 9Be(p,n) neutron source has been conducted. The research objective is to design a double layer collimator to obtain neutron sources that are compliant with the IAEA standards. The approach to the design of double layer collimator used the MCNPX code. From the research, it was found that the optimum dimensions of a beryllium target are 0.01 mm in length and 9.5 cm in radius. Collimator consists of a D2O and Al moderator, Pb and Ni as a reflector, and Cd and Fe as a thermal and fast neutron filter. The gamma filter used Bi and Pb. The quality neutron beams emitted from the double layer collimator is specified by five parameters: epithermal neutron flux 1 ×109 n/cm2s; fast neutron dose per epithermal neutron flux 5 ×1013 Gy cm2s; gamma dose per epithermal neutron flux 1×1013 Gy cm2s; ratio of the thermal neutron flux of epithermal neutron flux 0; and the ratio of epithermal neutron current to total epithermal neutron 0.54.
Beams Characteristic in Water Phantom Irradiation by Epithermal Neutron Beam from Double Layer Beam Shaping Assembly Bilalodin Bilalodin; Kusminarto Kusminarto; Arief Hermanto; Yohannes Sardjono
Indonesian Journal of Physics and Nuclear Applications Vol 5 No 1 (2020)
Publisher : Fakultas Sains dan Matematika Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/ijpna.v5i1.18-22

Abstract

A Double Layer Beam Shaping Assembly (DLBSA) is designed to produce epithermal neutrons for BNCT purposes. The MCNPX program is utilized as the software to design the DLBSA and phantom. Distribution of epithermal neutron and gamma flux in the DLBSA and phantom and absorbed dose in phantom are computed using the Particle and Heavy Ion Transport System (PHITS) program. Testing results of epithermal neutron beams irradiation on water phantom shows that epithermal neutrons are thermalized and penetrate the phantom up to 12 cm in depth. Maximum value of absorbed dose is 2 x 10-3 Gy at a depth of 2 cm in phantom.
FG-FET Berbasis Film Ag2O Untuk Pendeteksian H2S W Widanarto; Bilalodin Bilalodin; R. A. Saputro
Jurnal Otomasi Kontrol dan Instrumentasi Vol 3 No 2 (2011): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2011.3.2.3

Abstract

Film Ag2O telah ditumbuhkan pada top electrode Si/Ti/Pt dengan evaporasi termal. Proses evaporasi dilakukan pada tekanan 2×10-2 mbar dalam atmosfir oksigen sintetis. SEM digunakan untuk menganalisa struktur permukaan film. Top electrode dilekatkan pada chip FG-FET untuk membentuk sebuah sensor gas yang sensitif terhadap H2S. Karakterisasi yang meliputi uji temperatur, konsentrasi, kelembaban dan selektivitas dilakukan untuk mengetahui kehandalan sensor. Hasil karakterisasi menunjukkan bahwa FG-FET berbasis film Ag2O dapat mendeteksi H2S pada konsentrasi rendah dengan temperatur operasi optimum 95°C dalam keadaan kering maupun lembab. Penambahan klaster Fe pada permukaan film Ag2O dapat meningkatkan unjuk kerja sensor yang ditandai dengan peningkatan sinyal keluaran sensor. Keywords:FG-FET, Film Ag2O, Fe,Fungsi Kerja, H2S
KAJIAN SIFAT MAGNETIK DARI PASIR BESI PANTAI LOGENDING KABUPATEN KEBUMEN Bilalodin Bilalodin
Molekul Vol 5, No 2 (2010)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (101.705 KB) | DOI: 10.20884/1.jm.2010.5.2.83

Abstract

Study on magnetic properties of iron sand on the Logending beach sand has been done. The research aims to identify the mineral content and characterization of magnetic properties on the Logending beach sand. The irond sand samples taken from the Logending beach with several lokation. Sand then dried, determined density and magnetic content is separated using a permanen magnet. The iron sand were analyzed using XRD ( X-ray difraction) and characterization of magnetic properties using the VSM (Vibrating sample magnetometer). The research shows that minerals are contained hematit (Fe2O3), with a value of susceptibility is 0.43 x10-6 m3/kg. The main magnetic mineral of iron sand from logending beach is paramagnetic.
PENUMBUHAN DAN KARAKTERISASI LAPISAN TIPIS PbTiO3 YANG DISIAPKAN DENGAN TEKNIK SPIN COATING Bilalodin Bilalodin
Molekul Vol 3, No 1 (2008)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (317.244 KB) | DOI: 10.20884/1.jm.2008.3.1.47

Abstract

The growth of PbTiO3 ferroelectric thin films have successfully done. Thin films were made from bulk (powder) PbTiO3 dissolved in methanol solution. The condensation was mixed during 1 hour to get homogeneous condensation. Thin films were grown above corning substrates by spin coating method. Optimation was done by various of annealing temperature. The physical properties of thin films were characterized by Energi Dispersive X-Ray Spectroscopy (EDS), X-Ray Diffraction (XRD), Scanning and Electron Microscopy (SEM). EDS measurement showed that the stoichiometry composition ratio of Pb/Ti is 1/1.26 at annealing temperature 600oC and 1/1.29 at annealing temperature 700oC. The result of XRD pattern showed that crystal structure of PbTiO3 thin films are tetragonal. The calculated lattice parameters ontained from Chohen Method are a=b= 3.873 Å dan c= 4.130Å. The result of SEM PbTiO3 thin film showed that thin film has globular grain size.
SINTESIS DAN KARAKTERISASI PIGMEN WARNA HITAM, MERAH DAN KUNING BERBAHAN DASAR PASIR BESI Bilalodin Bilalodin; Zarah Irayani; Sehah Sehah; Sugito Sugito
Molekul Vol 10, No 2 (2015)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (738.786 KB) | DOI: 10.20884/1.jm.2015.10.2.5

Abstract

Sintesis dan karateristik pigmen warna hitam, merah dan kuning berbahan dasar pasir besi telah dilakukan.  Tujuan penelitian ini adalah   sintesis dan karakterisasi pigmen  menggunakan  bahan baku pasir besi  menggunakan metode  kalsinasi.  Pembuatan pigmen warna hitam  dilakukan    dengan  mencampurkan pasir besi  dengan  larutan  NaOH  dan NH4OH lalu dipanaskan pada suhu 800 °C. Pigmen merah dibuat dengan melarutkan pasir besi dalam larutan H2SO4  dan dipanaskan pada suhu  650 °C.    Sedangkan  pigmen  kuning      dibuat    dari  serbuk  pigmen merah lalu  dilarutkan ke dalam larutan HCl   serta  dipanaskan pada  suhu  250 °C.  Serbuk pigmen   dikarakterisasi mengunakan XRD, SEM-EDX dan PSA dan Crommameter. Hasil penelitian menunjukkan bahwa serbuk pigmen warna hitam, merah dan kuning memiliki struktur kristal kubik dengan bentuk morfologi permukaan dan ukuran butir sebagai berikut: pada pigmen hitam partikel berbentuk butiran bulat seragam dengan ukuran butir 926,4 nanometer, pigmen merah memiliki bentuk butiran bulat seragam dengan ukuran butir 72,2 nm dan pigmen warna kuning memiliki bentuk butiran bulat seragam dengan ukuran 349 nm. Kandungan utama   unsur pigmen hitam, merah dan kuning adalah  besi (Fe)  dan oksigen (O). Serbuk pigmen warna hasil uji colorimetri coordinat L*a*b* yaitu pada pigmen warna hitam nilai L*a*b* dan DE adalah 23,76; 1,35; 1,43 dan 2,34, pigmen merah 43,23; 16,00; 17,30 dan 9,89, dan pigmen warna kuning 66,76; 14,84; 49,95 dan 4,862. Pigmen warna yang dihasilkan telah sesuai dengan standar.
KARAKTERISTIK FILM TIPIS TiO2 DOPING NIOBIUM Bilalodin Bilalodin; Mukhtar Effendi
Molekul Vol 5, No 1 (2010)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (298.325 KB) | DOI: 10.20884/1.jm.2010.5.1.71

Abstract

Niobium (Nb) doped Titanium dioxide (TiO2) thin films have been successfully grown using spin coating method. Characterizations of thin films was carried out using EDAX (Energy Dispersion Analysis for X-Ray), XRD (X-Ray Diffaction) and SEM (Scanning Electron Microscope) to determine the microstructure of thin films. Determination microstructure, particularly of crystal structure was examined using ICDD data, whereas porosity calculation was done using the toolbox application on Matlab 6.1 software. EDAX, XRD and SEM characterization show that the thin films grown well at the Si substrates with the (002) field orientation is dominant and the thin film has the rutile structure. The TiO2 : Nb thin films product have granules round, uniform grain size and porosity value of about 41%.
Co-Authors A Arifin Abdullah Nur Aziz Abdullah Nur Aziz Agung Bambang Setio Utomo Agung Bambang Setio Utomo AMIN FATONI Aminuddin, Jamrud Aminuddin, Jamrud Apriliadina, Inessa Putri Arief Hermanto Arief Hermanto Arief Hermanto Arifin, A Aris Haryadi Aris Haryadi Aris Haryadi, Aris Aryanti, Eva A’yun, Nidha Aulia Qurrata Bejo Haryanto Budi Praktino Dari, Qorinah Wulan Dian Riana Ningsih Dwi Satya Palupi Evi Yulianti Evi Yulianti Farzand Abdullatif Gede Bayu Suparta Jamrud Aminuddin Jamrud Aminuddin Jayawarsa, A.A. Ketut Kartika Sari Kasesaz, Yaser Kusminarto Kusminarto Kusminarto Kusminarto Luthfia, Adilla Muhtar Effendy Mukhtar Effendi Mukhtar Effendi Mukhtar Effendi Mukhtar Effendi Muslihah, Niken Istikhari Nidha Aulia Qurrata A’yun Nuraini, Aprilia Nafi Nurhayati Nurhayati Nurhayati Nurhayati Pakhrur Razi Praktino, Budi PUJI LESTARI Purwati Purwati Qorinah Wulan Dari R Farzand Abdullatif R. A. Saputro Sehah Sehah Setiawan, Ely Sri Yuniarti Sugito Sugito - Sulistyowati, Aris Sunardi - Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi W Widanarto Widiyani, Agustina Wihantoro Wihantoro Wihantoro Wihantoro Yaser Kasesaz Yohannes Sardjono Yohannes Sardjono Yohannes Sardjono Yohannes Sardjono Yohannes Sardjono Yohannes Sardjono Zarah Irayani Zaroh Irayani Zusfahair Zusfahair