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Andi Syam Rizal
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Jurnal Fisika dan Terapannya
Published by Universitas Islam Negeri Alauddin Makassar
ISSN : 23021497     EISSN : 27152774     DOI : -
Core Subject : Science,
Physics
Jurnal Fisika dan Terapannya (JFT) adalah jurnal fisika yang diterbitkan oleh Jurusan Fisika, Fakultas Sains dan Teknologi, Universitas Islam Negeri Alauddin, Makassar. Jurnal ini diterbitkan dua kali setahun pada bulan Juni dan Desember. Jurnal ini mencakup artikel penelitian dalam semua aspek fisika dan terapannya. Jurnal ini pertama kali diterbitkan pada bulan Desember 2014 dan secara online di tahun 2019. Artikel hasil penelitian dalam jurnal ini berkaitan dengan fisika yang meliputi adalah fisika teori, fisika material, geofisika, fisika kesehatan, fisika instrumentasi, fisika komputasi, dan astrofisika.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 10 Documents
 1 
Search results for , issue "Vol 8 No 1 (2021): JUNI" : 10 Documents clear
PEMANFAATAN JERAMI DAN BUAH LONTAR SEBAGAI SUBSTRAT MENGGUNAKAN TEKNOLOGI MICROBIAL FUEL CELL Basmanto Basmanto; Hernita Sapitriani; Nurfadhilah jusman; Sahara Sahara; Jasdar Agus
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21192

Abstract

The increasing energy consumption is not directly proportional to the availability of energy. This encourages the continued development of alternative energy sources to replace fossil energy sources.  In this research, a Microbial Fuel Cell (MFC) will be made as an alternative energy source that metabolism of bacteria to produce electrical energy.  Microbial Fuel Cell (MFC) is made by varying the type of substrate.  The type of substrate used is made of straw and borassus fruit extract. In this study, the MFC design uses a dual-chamber system consisting of an anode compartment and a cathode compartment. Analysis of the effect of substrate variations on MFC performance can be seen from the measurement data of current and voltage using a digital multimeter based on the length of time working with the addition of resistance and without resistance which is used to determine the power density value. The measurement results showed that the highest power density for straw substrate was obtained at 1st hour measurement, which a value of 770.1 mW/m2 for the addition of external resistance and 401.6 mW/m2 without external resistance.  Meanwhile, for the borassus fruit extract substrate, the highest power density was obtained at 29 hours of 594.1 mW/m2 using external resistance and 364.9 mW/m2 without external resistance. The resulting power density value is higher than previous studies so that the straw and borassus fruit extract substrate has a great potential to be used as a substrate in MFC technology.
POLA SESAR SADDANG BERDASARKAN TINGKAT SEISMISITAS DAN FOKAL MEKANISME (Studi Kasus Januari 2010 - Juli 2020) Risnawati Risnawati; Ihsan Ihsan; Ayusari Wahyuni; Muh. Said L.
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.19277

Abstract

The research of the Saddang fault pattern based on the level of seismicity and focal mechanism (a case study in January 2010- July 2020) aims to determine the level of seismicity in the Saddang fault area and the Saddang fault focal mechanism in the 2010-2020 earthquake. The data which were used were secondary data from the BMKG catalog from January 2010 - July 2020. The coordinating limit is 118.50 ° East Longitude 120.60 ° East Longitude and (-2.60 ° South Latitude) - (-5.70 ° South Latitude) there were 1425 earthquakes. This research used ArcGis application to measure seismicity distribution map and seiscomp3 to measure focal mechanism. Furthermore, the focal mechanism divides the region into three regions. The results which obtained from the seismicity map obtained a high level of seismicity with a shallow depth. Which was caused by the lack of factors from the active Saddang fault and Sulawesi who had four plate junctions. The results of the focal mechanism in each region had the whole type of shear fault or horizontal. Keywords: Earthquake, geology software ArcGis, software seisco
STUDI SIFAT MEKANIK KOMPOSIT PEG (POLYETHYLENE GLYCOL) - 4000 PENAMBAHAN 10 WT% SiO2 QUARTZ DARI PASIR ALAM DENGAN MENGGUNAKAN DYNAMIC MECHANICAL ANALYSIS (DMA) Sefrilita Risqi Adikaning Rani
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21134

Abstract

The mechanical properties of (Polyethylene glycol) PEG4000 +10 wt% SiO2 have been investigated using DMA (Dynamic Mechanical Analysis). SiO2 processed from natural sand was added as much as 10 wt % SiO2 as a filler to the composite and PEG-4000 as a matrix. The results show that the addition of SiO2 filler makes the mechanical properties of the PEG-4000 polymer as a matrix increase when influenced by temperature and frequency including shear modulus (G') and tensile modulus (E'). Composites (PEG4000 + 10wt% SiO2 quartz) are more resistant to tensile loads when viewed from their tensile modulus.
PENGARUH INTENSITAS KEBISINGAN TERHADAP TEKANAN DARAH SEBELUM DAN SETELAH BEKERJA DI PERCETAKAN CV. RINJANI PERKASA Citra Wardani; Sri Zelviani; Nurul Fuadi
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.20072

Abstract

This research was attempted to identify the effect of the seriousness of noise on CV Rinjani Perkasa's blood pressure. This study used a procedure to compare blood pressure before and after exposure to sound sources from the press. Fifteen respondents measured blood pressure between the ages of 20-40 years during working hours using a digital blood monitor. The average measured sound seriousness is 107.8 dB in the room where the sound source is made and 99.1 dB in the room directly adjacent to the sound source. Blood pressure measurements showed that blood pressure increased more in 15 respondents. For example, Respondent 4 who is located next to the noise source has a systolic blood pressure of 20.62% and a diastolic blood pressure of 15.96%, whereas Respondent 1 is located next to the noise source. There is a problem, the percentage increase. With blood pressure. Low blood pressure Systolic blood pressure of 7.48% and diastolic blood pressure of 6.08%.
POTENSI ENERGI LISTRIK DAN TINGKAT KEASAMAN PADA BUAH JERUK NIPIS DAN BELIMBING WULUH Naurah Rizki Pujiarini; Sudarti Sudarti
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21171

Abstract

Energy in general is an activity or effort or work that can be done by certain forces such as electricity, heat, gravity, mechanics, chemistry and so on. The composition of Indonesia's energy currently derived from petroleum by 52.50%, amounting to 19.04% of natural gas, coal amounted to 21.52%, water by 3.73%, geothermal by 3.0%, and new energy by 0.2%. Electrolysis is an example of an alternative energy source. It uses an electrolyte solution to produce electricity, which is a solution capable of generating electricity. The solution usually comes from acidic fruits such as starfruit and lime. The study aims to know the potential for electrical energy that is generated, to know the intensity of the voltage that is generated, to know the current of acidity and to know the acidity of the acidification. This type of study is a quantitative study with the research method used, which is a method of experimentation. From this research, the results show that the starfruit solution has a pH of 0.40 with a voltage of 0,9 V; 1.7 V; 2.2 V and produces an electric current of 0.03 mA; 0.15 mA; 0.58 mA. The resulting lime solution has a pH of 1,39 with a voltage of 1 V; 1.8 V; 2.6 V and produces an electric current of 0.15 mA; 0.38 mA; 0.61 mA. Based on this research, it can be seen that starfruit and lime can be used as an electrolyte solution to produce electrical energy.
PENGARUH MASSA SOURCE TERHADAP KETEBALAN THIN FILM MELALUI DEPOSISI VACUUM THERMAL EVAPORATION Kurniati Abidin; Jasruddin Daud Malago; Fatimah Arofiati Noor; Toto Winata
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21350

Abstract

Purpose of this research to determine the effect of mass of source on thickness of thin film, with using the vacuum thermal evaporation. The metal used is Ag with a purity of 99,99% as a source of evaporated metal and using glass preparations as a substrate on which metal is deposited. By using three types of characterization such as FPP, SEM and EDS, the research results were obtained accurately. Based on  these characterizations, the results obtained a significant relationship between mass of source and thickness of thin film, increasing the mass of the source will increase the thickness of thin film. This result can be used as a reference in producing thin films with specific of thickness.
STUDI PENGUJIAN PARAMETER FISIS PADA DAUN PISANG KERING, DAUN JATI, DAN KULIT JAGUNG SEBAGAI WADAH MAKANAN Fany Aliasra; Hernawati Hernawati; Muh. Said L.
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.20286

Abstract

This study aims to determine the physical quality of food containers made of dried banana leaves, teak leaves, and corn husks. The process of making a food container is carried out using a stainless steel mold which is then heated using a cooking thermometer to reach a temperature of 1000C and using a 10 kg load as a pressure, then printed for 5 minutes which is done 4 times printing for each food container. There are two tests for food containers, namely, the water absorption test, the average value of water absorption for food containers for dried banana leaves is 0.00%, 99,97% teak leaves, and 49.96% corn husks. The second test is test the resistance of the container based on temperature parameters. The temperatures used are 400C, 600C, and 800C, the three containers have different results, the dried banana leaf container can be used for hot food because it doesn't change after testing, while the food container made of leaves Teak and corn husk underwent changes during testing. Where teak leaves cannot be used for food with soup and corn husks cannot be used as food containers with food temperatures above 600 C.
STUDI KUALITAS FILM PLASTIK BIODEGRADABLE BERBASIS PATI JAGUNG KETAN (ZEA MAYS CERATINA) DENGAN PENAMBAHAN KITOSAN DAN VIRGIN COCONUT OIL (VCO) Nur Safitri; Rahmaniah Rahmaniah; Iswadi Iswadi
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21211

Abstract

Biodegradable plastics are plastics made from renewable sources and are biodegradable and environmentally friendly. To minimize the use of synthetic plastics, research was carried out on the manufacture of biodegradable plastics from glutinous corn starch (Zea mays. Ceratina) with the addition of chitosan and Virgin Coconut Oil (VCO). This study aims to see the quality of the biodegradable plastic film of glutinous corn starch with the addition of chitosan and VCO. The quality test carried out is a mechanical test consisting of a water resistance absorption test, a tensile strength test and an elongation test. FTIR analysis and biodegradability tests were also carried out. The results showed that the water-resistance test results were sample A of 42.86%, sample B of 25% and sample C of 14.29%. To test the tensile strength obtained sample A of 18.1667 MPa, sample B of 0.5171 MPa and sample C of 2.7215 MPa. For the elongation test, sample A was 2.8%, sample B was 3.85%, and sample C was 1.92%. The FTIR analysis results of the three samples showed C-H and O-H groups' presence derived from the constituent materials and the presence of C = O and C-O groups indicating that the hydrogel could be degraded. In the biodegradability test, it is known that the addition of chitosan and VCO during the decomposition of the material because it has anti-microbial properties. The data analysis carried out obtained data that met the SNI value for the tensile strength of sample A.
IDENTIFIKASI JENIS AKUIFER AIR TANAH MENGGUNAKAN VERTICAL ELECTRICAL SOUNDING KONFIGURASI SCHLUMBERGER Arif Wijaya; Amirin Kusmiran
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21210

Abstract

The availability of clean water is a basic need to meet daily needs. Therefore, the identification of groundwater and its aquifer types was carried out in Labulia, Alor sub-village, Central Lombok Region and Lilir sub-village, Membalan Village, West Lombok Region. The identification of groundwater and the type of aquifer is carried out using the vertical electrical sounding method with the Schlumberger configuration because this method can identify vertical resistivity more accurately than other resistivity methods, such as Wenner. The pseudo resistivity data obtained from these measurements is processed using IPI2Win software and progress. The result of the interpretation was that the aquifer in Olor Agung sub-village was a confined aquifer, while Lilir sub-village was a free aquifer.
IDENTIFIKASI POTENSI AIR TANAH MENGGUNAKAN METODE RESISITIVITAS KONFIGURASI SCHLUMBERGER DI KECAMATAN BONTORAMBA KABUPATEN JENEPONTO Agussalim Agussalim; Andi Syam Rizal
JFT : Jurnal Fisika dan Terapannya Vol 8 No 1 (2021): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v8i1.21489

Abstract

Drought usually occurs, especially during the dry season in Bontoramba, Jeneponto Regency, South Sulawesi. Therefore, it is necessary to study the potential of groundwater to meet the water needs of the Bontoramba community during the dry season. A way to identify groundwater is by using the resistivity method. This method is applied with Schlumberger configuration that gives good results vertically. The purpose of this study was to identify the potential for groundwater both in position and depth based on the results of the interpretation of measurements using the resistivity method of the Schlumberger configuration. This research is experimental research with a descriptive method. Data were processed, analyzed, and interpreted using Res2dinv. Through the results of this interpretation, modeling of the distribution of the aquifer layer in the soil is then carried out which is projected as groundwater. The results showed that the groundwater layer in path 1 and path 2 were on average at a depth of 10-30 m, path 3 and path 4 at a depth more than 30 m from the ground surface.

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