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Journal of Aceh Physics Society
ISSN : -     EISSN : 23558229     DOI : -
Core Subject : Science,
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.
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Articles 92 Documents
Mechanical Analysis of Serpentinite rock in Indrapuri, Tangse, and Beutong Sarah, Hasma; Syamsudin, Fadhli; Satrio, Lono
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : Aceh Physics Society

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Abstract

Aceh is one of province that has abundant natural resources, which consist of natural resources which can be renewed or not renewed. With the increasing human population, especially in Indonesia, resulting in increasing human needs of various sectors, particularly in the construction sector. In the development activities required a lot of materials-minerals, such as sandstone, limestone, serpentinite rock which serves for a variety of needs in development activities. In District Indrapuri (Aceh Besar Regency), Tangse (Pidie Regency), and Beutong (Nagan Raya Regency) finding of the serpentinite rock is abundance. Meanwhile, in line with the rapid physical development in Aceh and its surroundings, then the needs of rock as building materials will increase as well. Research done by physical properties (specific gravity, absorption, porosity), and mechanical properties (testing compressive strength, wear/abrassion) of serpentinite rock to determine its quality as a building material. The results show that the serpentinite rock contained in District Indrapuri, Tangse, and Beutong for the building according SII 0378-80 is qualified for the foundation, curb stones, and ornamental stones or paste stones.
Gas Emmision Testing of Fuel Based Vehicles at Banda Aceh, Indonesia Sari, Intan Mulia; Erlia, Juli; Fitriana, Desy; Yusibani, Elin
Journal of Aceh Physics Society Volume 4 Number 1, March 2015
Publisher : Aceh Physics Society

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Abstract

A gas emmision decent testing of vehicles based on fuel has been done by EIA (Environmental Impact and Analysis). It is important to do the testing to determine the vehicles meet the technical requirements and road-worthy. The results showed that for 1.572 vehicles which is performing emissions testing have obtained 11% that could be potentially pollute the air on vehicles that using gasoline, and 42% on vehicles that using diesel. Based on the total number of four-wheeled vehicles that performed emissions testing in the city of Banda Aceh showed that 82% environmentally friendly vehicles and 18% potentially pollute the air.
Design of Inversion Modeling 1-D Gravity Data Using a Method of Singular Value Decomposition (SVD) Based on Matlab ., Irwansyah; Khairuman, Teuku; Ismail, Nazli
Journal of Aceh Physics Society Volume 2 Number 1, March 2013
Publisher : Aceh Physics Society

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Abstract

The study about design of Inversion Modeling 1-D Gravity Data using a method of Singular Value Decomposition (SVD) based on Matlab has been done. This study is aimed to design the modeling program of 1-D gravity data using SVD method based on Matlab and than apply the program for subsurface investigation based on contras density of the target body. The SVD method was used to solve the inversion code by applying truncation method of the data into some eigen values in order to resolve a better model. Gravity data used for inversion modeling is data generated from the forward modelling code. Inversion modeling program has been tested for several models such as with variation depth and its contrast density vertical fault. The result mostly show  a small data error is equal to 0,9908 mGal.
River Water Quality Spatial Analysis Based On Physical Parameter Throughout Krueng Daroy In Banda Aceh ., Mulyani; ., Marwan; Ismail, Nazli
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : Aceh Physics Society

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Abstract

Water quality research has been done along Krueng Daroy in Banda Aceh. The research is aimed to observe water quality based on physical parameters and to identify the sources of pollutant spatially. We measured temperature, turbidity, color, pH, odor, TDS and electrical conductivity, where the data were collected using thermometer, turbidity meter, spectrophotometer, pH meter, TDS meter and conductivity meter, respectively. The physical parameters of water in the upstream area fulfilled the standard of the Health Minister of Republic Indonesia according to law Number 907/ MENKES/ SK/VII/2002 and it is suitable for household needs. However, the water at the downstream area are mostly polluted
The Influence of the Sun's Position to Changes In Rainfall Patterns in Banda Aceh and Aceh Besar Fitri, Hulul; Ilyas, Suhrawardi; ., Fadhli
Journal of Aceh Physics Society Volume 3 Number 1, March 2014
Publisher : Aceh Physics Society

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Abstract

People often perceived that weather pattern is irreguler and unpredictable. Therefore it is necessary to investigate the relationship between position of the sun above earth's surface and the change on rainfall patterns in the region of Banda Aceh and surrounding. Aceh region is located at the tip of Sumatra island and at the perimeter of three major oceans. This location greatly affect rainfall patterns in Banda Aceh and Aceh Besar. The aims of this research are to determine the variation in weather pattern, especially rainfall and to draw up a general pattern of weather oscillation, especially rainfall in the region of Banda Aceh and Aceh Besar. The position of sun relative to Banda Aceh was then visually sketched on a world map. The map is used to analyze relations between rain frequency, duration and time with sun’s position over land and sea, based on the rain pattern condition in six months from Desember 2013 until Mei 2014. The result showed that from Desember until February, rain mostly occured at night and water vapor came from Indian Ocean. Meanwhile in March and May, rain are more common in the morning when the sun’s position was above Indian Ocean and Sea of Bengal. However in April rainfall occur during the day, because of evaporation was brought from the South China Sea.
Studies of Relation Between Turbidity and Refractive Indeks of Bottled Water in The Area of Banda Aceh by Using Interferometer Murty Method ., Nurlaili; Idris, Nasrullah; Rahwanto, Adi
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : Aceh Physics Society

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Abstract

Bottled water is clean water ready to drink quickly without cooking however, it is not all of the bottled water have a good quality. The quality of water can be observed from the optical properties of water, such as clarity and refractive index. A study has been carried out by using interferometer Murty method to know the relation between turbidity and refractive index of the bottled water. The refractive index measurement was carried out for 20 samples from 10 brands of the bottled water. The result of refractive index measurement shows that the refractive index of the water is about 1,1, in averge on the other hand the refractive index of water based on literature is 1,33. Along with the refractive index measurement by using interferometer Murty, turbidity was also measured by using Turbidimeter. The result of measurement show that there is a relation between turbidity and refractive index. The deviation of refractive index values obtained in this measurement from the literature data is because there are some error in the measurement process. By improving the error, better measurement will allow the interferometer Murty to be used to inspect water clarity.
The Study of Starch Seeds Durian (Durio zibethinus) Effect as the Filler Material on Tensile Strength and Biodegradation of Polymers Polystyrene (PS) Sudi, Rifka; ., Irhamni; ., Rahmi
Journal of Aceh Physics Society Volume 2 Number 1, March 2013
Publisher : Aceh Physics Society

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Abstract

The study of starch seeds durian (Durio zibethinus) effect as the filler material on tensile strength and biodegradation of polymers polystyrene (PS)  has been done. In this study, the sample was made with 5 variations of Polystyrene:Starch:glycerol as follows:(95:0:5; 90:5:5; 85:10:5; 80:15:5 and 75:20:5) %. The samples were made using the hotpress machine and the ASTM D368 standard. The mechanical properties (tensile strength) were tested using a tensile tester. The testing for functional groups were using FT-IR. The surface morphology was obtained by AFM and biodegradation through burial the samples for 40 days (time of observation 1, 2, 3, 4 and 5 weeks). As the results showed that the tensile strength values are influenced by variations in the composition of composite materials. The optimum tensile strength values were obtained on samples of PS-2 (90% of PS: 5% of Starch: 5% of glycerol) with a tensile strength value of 0.55 kgf / mm². Based on the analysis of functional groups, it was found that there is no chemical reaction, which is characterized by the emergence of new functional groups on the composite sample. The surface morphology observation showed that the variation does not affect the relative composition of the surface morphology of the samples. Biodegradation test results showed that the samples of PS-4 and PS-5 began degraded after burial for 4 weeks.
Study on Impact of Variation of Carbon Monoxide Concentration to Air Temperature at Simpang Lima, Banda Aceh ., Rahimi; ., Irhamni; Ismail, Nazli
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : Aceh Physics Society

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Abstract

Studies on impact of variation of carbon monoxide concentration to air temperature have been conducted at Simpang Lima, Banda Aceh. Objectives of this research are to determine the level of emissions of carbon monoxide from motor vehicles, to study the fluctuations of air temperature in the area, and to analyze the impact of increasing carbon monoxide concentration to the air temperature at Simpang Lima Banda Aceh during 2010. Concentration of carbon monoxide and air temperature were recorded by Air Quality Monitoring System (AQMS) device installed at Simpang Lima Banda Aceh. The result shows that carbon monoxide concentration increases as well as number of vehicles passing the area. Change of the concentration in the air is also influenced by temperature variability in the research area. For the temperature, beside affected by carbon monoxide concentrations are also influenced by weather factors such as solar radiation, wind speed and precipitation. However, levels of carbon monoxide concentration at Simpang Lima, Banda Aceh are considerably safe for the environment, i. e. less than 100 ppm.
Anomalous Amplitude Attenuation Method to Enhance Seismic Resolution ., Muchlis
Journal of Aceh Physics Society Volume 4 Number 1, March 2015
Publisher : Journal of Aceh Physics Society

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Abstract

Anomalous Amplitude Attenuation (AAA) is a method to process seismic data with multilevel processing (multi step flow). AAA is indicated for identifying anomalous seismic amplitude (amplitude noise) such as: spike noise, noise and noised trace. AAA is a filter applied to the data in the frequency domain, range, both in CMP/CDP, offset or gather shot. Processing of the data depends on how the sensor (the geophone) receives seismic waves, and then set the data back into the format demultiplex (SEG-Y) and then processed according to the rules (flowchart) seismic reflection processing.This method has been applied to improve the old seismic data of an exploration company in prospecting the unseen structure in prospecting the hydrocarbon trapped within sedimentary rock subsurface.
Thermal Conductivity of Foamed Concrete Fibre Arenga Pinnata Merr ., Yunita; Idris, Nasrullah; ., Abdullah
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : Aceh Physics Society

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Abstract

The objective of this research is to examine the effect of the palm fibre from arenga pinnata Merr on thermal conductivity of foamed concrete. The sample was made at civil Engineers Departement labolatory with specific gravity of 1.0 and 1.4 with variations of the palm fibre from arenga pinnata Merr are 0.5 %, 1.0 %, and 2.0 %. The sample was packed into (15 x 15 x 1) cm3. The measurement result showed that the thermal conductivity values are increase with the small porosity, i.e. 18 %, on the contrary, the thermal conductivity values are decrease with the large porosity, i.e. 27 %. The thermal conductivity values of concrete the palm fibre from arenga pinnata Merr addiction are 0.47 W/mºC, 0.52, W/mºC, and 0.44 W/mºC for specific gravity values 1.0 with 0.5 %, 2.0 %, and 2 %. It about 0.48 W/mºC,  0.45 W/mºC and 0.43 W/mºC for specific gravity values 1.4 with 0.5 %, 1.5 %, and 2.0 %. In conclusion, the thermal conductivity values of foamed concrete with the palm fibre arenga pinnata Merr addiction has the largest value in specifict gravity 1.0 with 2.0 % of the palm fibre arenga pinnata Merr percentage

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