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Journal of Aceh Physics Society
Published by Universitas Syiah Kuala
ISSN : -     EISSN : 23558229     DOI : -
Core Subject : Science,
Physics
Focus of Journal of Aceh Physics Society (JAcPS) provides a forum for original paper works that enhances understanding of physics and their application. Scope of Journal of Aceh Physics Society (JAcPS) paper related to the development of new experimental methods, visualization techniques, material physics, optic, laser and instrumentation in physics is an important part of this journal. Experience gained and lessons learned in building test facilities and in measuring and reducing test data are important aspect of any experimental work. Authors are encouraged to report this experience and to summarize the original data. Archival review paper, short communication, invited papers, discussion of previously published papers, and book reviews are regular feature of the journal, in addition to full-length article.
Arjuna Subject : -
Articles 152 Documents
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Estimation of Hydrogen Gas Production from Oxidation Process of Zirconium Cladding with Water Vapor in Fukushima Daiichi Nuclear Power Plant Unit One at Japan after Earthquake and Tsunami in 2011 Endang Lestari; Elin Yusibani; Zulkarnain Jalil; Asril Pramurtadi
Journal of Aceh Physics Society Volume 3 Number 1, March 2014
Publisher : PSI-Aceh

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Abstract

It has been an explosion at the Fukushima Daiichi NPP caused by the fusion reaction between hydrogen and oxygen. Hydrogen is believed to be generated one of which comes from the oxidation reaction between the fuel cladding and water vapor in the reactor core due to the failure of coolant (LOCA=Loos of Coolant Accident). This study aims to estimate the amount of hydrogen gas that accumulates in the reactor core theoretically by using a model based on equilibrium mole of a chemical reaction. The zirconium cladding material is set as a limiting reagent that limits the formation of hydrogen in the reactor core. The estimation results show that the amount of hydrogen accumulated in the reactor is directly proportional to the mass of the oxidized zirconium with water vapor. The amount of hydrogen that accumulates for one fuel rod reaches 0.018 kg, for one assembly is 1.10 kg and for overall at Unit One reaches 441 kg, which these results have been enough to blow up the reactor.
Mineral Prospect in Simpang Tiga, Aceh Besar Siti Makfiroh; Suhrawardi Ilyas; Muhammad Sukri
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : PSI-Aceh

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Abstract

Simpang Tiga is one district in Aceh Besar that currently supply rock and building materials for construction in Banda Aceh. Geologically, Simpang Tiga is formed by sedimentary rocks and carbonate minerals. This study aims is to identify the types of minerals in Simpang Tiga that has economic value. In this study the samples are identified using naked eye and optical microscope to identify more clearly. After that, the comparison with catalogue is made. HCl is used to identify carbonate type minerals. The results indicate that there are classes of carbonate mineral that are calcite (CaCO3) and dolomite (CaMg (CO3)2). Oxide groups with the type of mineral are the mineral magnetite (Fe3O4), hematite (Fe2O3), magnesium (MgO) and agate (SiO2). Group with the type of mineral silica is a mineral biotite (K(Mg,Fe)3 (AlSi3)O10(OH, F)2. Result shows that Simpang Tiga have deposit of carbonate and oxide type of mineral, which are potential for economic development, building materials and industrial materials such as cement raw material and iron ore.
Study of Noise Level Distribution at Baiturrahman Mosque, Banda Aceh, Indonesia ., Maswati; Usmawanda, Tjoet Nia; Yusniar, Viza; Yusibani, Elin
Journal of Aceh Physics Society Volume 4 2015
Publisher : Aceh Physics Society

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Abstract

The study of noise level distributions have been done in Baiturahman Mosque area. The measurement take place in different places (near the mosque), times and days. The point of the measurement is choosing based on the high appereance level of noise such as market, park and main road at surrounding of the mosque. The result shows that the average highest level is 82,3 dB and the lower is 58,6 dB.
Identification of Oxide Compound in Dolomite Mineral from Aceh Tamiang Region Nirmala Sari; Zulkarnain Jalil; Adi Rahwanto
Journal of Aceh Physics Society Volume 2 Number 1, March 2013
Publisher : PSI-Aceh

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Abstract

Indonesia has abundant mineral especially carbonate-based mineral, ike dolomite. Particularly in Aceh province's, the largest dolomite deposits is available in Aceh Tamiang district around 1.9 billion tons. Unfortunately, current use of dolomite in the industry and other applications is still limited. In this work we report the advanced preparation of dolomite using calcinations method. Whereas, with this method, the dolomite mineral can be processed into calcium and magnesium oxide which has a very wide field of application and higher values. To obtain optimal results, we also identify the effect of temperature on the formation of oxide compounds. Preliminary study using XRF founded that dolomite in village Selamat is known as the highest concentration of CaO (61.20%) followed by MgO (25.28%). It is also showed that the main phase obtained by XRD is dolomite (CaMg(CO3)2). Furthermore, after the calcinations process at 700 °C, it was founded that the formation of dolomite were CaCO3 and MgO, whereas at temperatures of 900 °C mostly the CaCO3 has decomposed into CaO. SEM observations showed that dolomite has the composition of particles distributed homogeneously along the particle agglomerate when it calcinations.
Study of Deposit Cesium-137 (137Cs) Activity as a Result of Fission Product from The Fukushima Daiichi Nuclear Power Plant at Japan after Earthquake and Tsunami in 2011 Rahpita Windriani; Elin Yusibani; Rini Safitri
Journal of Aceh Physics Society Volume 3 Number 1, March 2014
Publisher : PSI-Aceh

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Abstract

Study of deposit Cesium-137 (137Cs) activity as a result of the fission product of Fukushima Daiichi Nuclear Power Plant after earthquake and tsunami in 2011 has been done. The purpose of the present research is to study the deposit 137Cs activity on the land and the Sea of Japan and then to estimate a model of 137Cs distribution on the earth's surface of Japan. The stability of nuclei decay equation is used to obtain a deposit 137Cs activity depending on time, theoretically. The Pasquill-Gifford equation is used to estimate a distribution of 137Cs activity on the earth surface from the original source. The results suggested that Hatachinaka city, the largest measurement point, for about 60 years forward, 137Cs activity levels reach about 54 Bq. In the Sea of Japan at the point of sensor C47, which it has the largest value, the accumulation of deposit 137Cs activity gives about 0.69 Bq at the time of the next 60 years. For the distribution of 137Cs activity, the concentration values at a distance of 200 m from the original source obtained maximum for all case.
Mechanical Analysis Of Limestone In Jaya, Lhong, And Lhoknga Raihan .; Fadhli Syamsudin; Lono Satrio
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : PSI-Aceh

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Abstract

Research about mechanical analysis of limestone in District Jaya, Lhong, and Lhoknga has been done from Dec. 2011 to Mei 2012. This study aim is to classify the limestones based on physical and mechanical tests as well as identify opportunities limestone utilization in accordance with the SII 0378-80 as a condition of quality natural stone for building. Research have been done by testing compressive strength, modulus Young, wear, specific gravity, porosity, and absorption. The result shows that the limestones are qualified natural stone for building the foundation, curbstone, stone and ornamental stone or paste.
Rainwater Quality Measurements in the Area of Bricks Manufacturing at Kajhu Aceh Besar Sarina .; Nurul Mafazi; Riski Rahmania; Elin Yusibani
Journal of Aceh Physics Society Volume 4 Number 1, March 2015
Publisher : PSI-Aceh

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Abstract

The study of rainwater quality measurement has been done in brick manufacturing area of Kajhu, Aceh Besar. The measurements are taking place in the three different places when the rain fall from the sky in Kajhu area. The physical parameters that will be measured are pH, TDS, conductivity and potential of electricity.
Simulation of Wind Speed Effect on the Fall Velocity of Raindrops Sefri Ayuliana; Suhrawardi Ilyas; Fashbir .
Journal of Aceh Physics Society Volume 2 Number 1, March 2013
Publisher : PSI-Aceh

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Abstract

Raindrop motion is affected by several factors; one of which is wind speed during the rain. This study is aimed to investigate that impact by using mathematical simulation with Fortran and Matlab. Raindrops arrive on the Earth’s surface at their terminal velocities which depend on their size. Raindrop falling motion could be analyzed with net force equation (Newton’s second law). In order to determine velocity and position equations as a function of time, coefficients in those equations were fitted and compared toraindrop model developed by Boxel in 1997. In this study, equations used are fitted to both large and small size raindrops. Values resulted by equation for large size drops agreed with experimental data. Wind speedcauses the terminal velocities of raindrops to get larger, and so does their kinetic energy. In that condition, raindrops fall with certain inclination angle. The stronger wind speed, the larger raindrops’ inclination angle and their kinetic energy are when hitting soil surface. Therefore it increases the risk of soil erosion at place where the soil is unstable. Through this study, speed and direction of raindrop when hitting soil surface could be investigated in order to decrease the risk of avalanche at high risk area.
Analysis of Electrical and Thermal Conductivities of blended Clamshell Powder, Kaolin and CuO Ceramics Nurzahziani .; suhrawardi Ilyas; Zulfalina .
Journal of Aceh Physics Society Volume 3 Number 1, March 2014
Publisher : PSI-Aceh

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Abstract

The electrical and thermal analysis of blended clamshells powder, kaolin, and CuO ceramics have beenconducted. Clamshell is used in the experimentation due to its high CaCO3 that is about 96-98%. Theresearch is aimed to analyze the effect of CuO addition on clamshell powder-and-kaolin mixed ceramics andto observe the electrical and thermal properties of its. CuO concentration was varied up to 10% (weight).We found that the samples could not set and directly disintegrate under the exposure to cold air when baked at temperature higher then 600°C. 8% addition of CuO to white shell gave a more stable sample and recorded 2,17 x 10-7 S/cm electrical conductivity and 0,9977 W/m°C thermal conductivity. There was a trend that those two conductivities are increasing over a large CuO concentration and kept increasing. Based ongeneral classification, this sample is considered to be semiconductor and its thermal conductivity is larger than glass. Semiconductors are very important in electronic manufacturing sector and this material shows the capability of tailoring its conductance. XRD analysis tells that CuCO3bonding has been initiated in the mixture.
Study of Viscosity Measurement by Curved Vibrating Wire Method Saudiah Mawaddah; Elin Yusibani; Evi Yufita
Journal of Aceh Physics Society Volume 4 Number 1, March 2015
Publisher : PSI-Aceh

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Abstract

A simple and compact sensor has been designed for measuring a viscosity of a fluid. The sensor consists of a magnet and a curved thin wire made of copper. The function generator supplies a frequency and the voltage output was reading by the lock-in amplifier. The measuring voltages were analyzed by the curve fitting method numerically.

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