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Andi Syam Rizal
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Jurusan Fisika Gedung Fakultas Sains dan Teknologi Lt. 2
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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 191 Documents
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Analisis Potensi Debit Air Tanah Melalui Pumping Test Metode Step Draw Down pada Sumur Bor Irigasi di Desa Bonto Rannu, Kecamatan Kajang, Kabupaten Bulukumba, Sulawesi Selatan Agussalim; Muliana Djafar; Andi Syam Rizal
JFT : Jurnal Fisika dan Terapannya Vol 9 No 2 (2022): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v9i2.32277

Abstract

The rice fields in Bonto Rannu Village, Kajang District, Bulukumba Regency are dominated by rainfed rice fields. This species has limitations in the dry season because irrigation/agricultural irrigation is completely dependent on rainwater. Therefore, it is necessary to identify alternative irrigation sources for the sustainability of farmers' farming activities in Bonto Rannu Village. This study aims to analyze the quantity of groundwater wells by testing in the form of a pump test (pumping test) with the step draw down method. The optimum discharge (Qopt) of well 1 is 0.01876 m3/s or 67.53 m3/hour with an optimum Sw of 2.891 m. This shows that groundwater in well 1 can be pumped at 67.53 m3/hour with a decrease in water level of 2.891 m with the pump condition still technically safe. As for well 2, the optimum discharge (Qopt) is 0.00318 m3/s or 11.45 m3/hour with an optimum Sw of 2.100 m. These data indicate that there are limited groundwater reserves.
Identifikasi Akuifer Air Tanah Di Kaki Gunung Api Gamalama Pulau Ternate Menggunakan Data Geolistrik Tahanan Jenis 2-Dimensi Wahyudi W. Parnadi; Ramdani Salam
JFT : Jurnal Fisika dan Terapannya Vol 9 No 2 (2022): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v9i2.33725

Abstract

This study aimed to identify the distribution of groundwater aquifers and seawater intrusion at the foot of Mount Gamalama on Ternate Island using 2-dimensional electrical resistivity data. This island has experienced significant eruptions that have caused new deposits to form on its body and have caused the formation of an aquifer layer. Small in size but surrounded by seawater, Ternate Island experiences seawater intrusion at the aquifer zones. We researched using 2-dimensional electrical resistivity techniques on nine lines in the eastern and southern parts of the Island, namely the Bandara, FKIP, PDAM, Kayu Merah, Skep, Lapangan Fitu, Sasa, and Takome lines. Each line has a length of 75 meters to 230 meters. This measurement was carried out in the direction parallel to the shoreline using two electrode configurations: the Wenner and the Wenner-Schlumberger. Electrode spacing was 10m. The results showed that aquifer zones with a resistivity value of 10 – 150 Ohm.m exist in the eastern and southern parts of the island. We found seawater intrusion in the eastern part of the island on the PDAM lines with a resistivity value of 1 – 10 Ohm.m. The zones show high conductance values in the low resistivity range of 3.01 to 3.41 Ohms. Visual evidence reveals that this PDAM line locates at the beach, where Ternate inhabitants utilize groundwater excessively through dug wells.
Pengaruh Pemberian Gelombang Bunyi Jenis Murottal Terhadap Pertumbuhan Batang Dan Daun Pada Pembibitan Kacang Tanah (Arachis Hypogea) Zulfaniar; Hernawati; Sahara
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.25502

Abstract

This study aims to determine the effect of murottal type sound waves on stem height, number of leaves and number of stalks on peanut plant growth. Using local peanut seeds with the addition of organic fertilizer, urea fertilizer and without the addition of other nutrients. The peanut seeds were treated with 4000 Hz murottal sound with different exposure times and without murottal sound exposure. Peanut seedlings were observed using a camera to obtain images and using measuring instruments to determine the growth of stems and leaves. The results showed that the difference in the effect of giving sound and without sounding could give a change in the average increase of 6 - 9 cm in stem height, the number of leaves experienced an average increase of 4 leaves while the change in the number of stalks experienced an increase of 1 stalk.
Analisis Citra Satelit Himawari-8 Terkait Kejadian Puting Beliung Di Kabupaten Bogor (Studi Kasus 02 November 2021) Ade Febrian; Syaiful Amri
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.26225

Abstract

Puting Beliung is a strong-rotating wind originating from Cumulonimbus clouds with a speed of more than 34.8 knots or 64.4 km/hour that occurs short time. Puting Beliung occurred on November 2, 2021, at 2 pm in the Kampung Dukuh area, Pasirmukti Village, Citeureup District, Bogor Regency (106° 53' 47.99"E and 6° 31' 5.2"S). The research data are surface air observation data from Bogor Climatology Station, Himawari-8 satellite data, and Copernicus CDS reanalysis data. This study aims to analyze the dynamics of the atmosphere during the occurrence of wind phenomena in a tornado in the Kampung Dukuh area, Pasirmukti Village, Citeureup District, Bogor Regency. This study method is a descriptive analysis of Himawari-8 satellite imagery using SATAID software. The results of this study indicate that tornadoes occur due to shear lines and strong-atmospheric lability in the Bogor and surrounding areas, thus triggering the formation of local convective clouds characterized by cloud peak temperatures reaching -69oC.
Pengaruh Inhibitor Alami Dari Biji Nangka Terhadap Laju Korosi Baja Karbon Tinggi Andi Devi Sri Anjani; Ihsan; Rahmaniah
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.28548

Abstract

Jackfruit seed has considerable potential to be used as a corrosion inhibitor because its anti-oxidant content can inhibit the corrosion rate of the metal. This study aimed to determine the effect of variations in immersion time on the corrosion rate, the efficiency of jackfruit seed extract in inhibiting the corrosion rate, and the type of corrosion that occurs in high-carbon steel without and with inhibitors. This study used the maceration method to extract jackfruit seeds. It used the weight loss method to determine the value of the corrosion rate in the sample and used SEM testing to determine the type of corrosion that occurred in the sample. This research yielded corrosion rate values ​​in immersion without inhibitor solutions for 10 days, 20 days, and 30 days respectively, namely 263,46 mpy, 365,93 mpy, and 426,92 mpy. Whereas immersion using inhibitor solutions for 10 days, 20 days, and 30 days respectively, resulted in corrosion rate values ​​of 71,62 mpy, 53.41 mpy, and 44.95 mpy. These results resulted in inhibition efficiency values ​​of 72,81%, 85,40%, and 89,47%. The SEM test produced the type of corrosion that occurred in samples without an inhibitor solution, namely pitting corrosion. For immersion in an inhibitor solution, the type of corrosion that occurred was uniform corrosion.
Interpretasi Kualitatif Metode Gravitasi Studi Kasus Kawasan Gunung Merapi Syifaalda Fitra; Syifa Chofifa; Denisya Berliana; Pandam Irmayanti; Firdha Kusuma Ayu Anggraeni; Sri Astutik
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.31168

Abstract

Mount Merapi is the highest volcano in Indonesia with an altitude of 2978 meters above sea level. Administratively, Mount Merapi is located in Magelang Regency, Central Java Province. The study was conducted related to the separation of regional anomalies and residual anomalies using gravity data for the case of Mount Merapi. This research was conducted with the aim of being able to interpret the subsurface structure at the location around the measurement. The second-order polynomial method is used in this study in addition to the separation of the Bouguer anomaly. The results of data processing obtained obtained very low anomaly results, which illustrates the presence of molten magma in the measurement area. In addition, there is a very high anomaly value which describes the presence of eruptive material originating from Mount Merapi.
Pengaruh Penambahan Serat Kain Bekas Terhadap Sifat Mekanik Lis Gipsum Ety Jumiati; Ratni Sirait; Rahmad
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.32301

Abstract

Telah dilakukan penelitian pada lis gipsum. Tujuan dari penelitian ini adalah untuk melihat sifat mekanik penambahan persentase serat kain bekas. Variasi komposisi tepung gipsum dan serat kain bekas masing-masing: 2%, 4%, 6% dan 8% dengan faktor air semen (FAS) 0,5. Pembuatan sampel plester gipsum menggunakan mesin hot press menggunakan suhu 90 °C dalam waktu 30 menit. Sifat mekanik yang diuji meliputi kuat patah dan kuat lentur. Alat uji yang digunakan untuk MOR dan MOE adalah UTM. Hasil pengujian menunjukkan bahwa plester gipsum dengan serat kain bekas memiliki nilai kuat patah sebesar 953,1 kgf/cm2 sampai dengan 2.981,4 kgf/cm2 dan nilai kuat lentur sebesar 63.519,67 kgf/cm2 sampai dengan 408.454,61 kgf/cm2. seluruh sampel lis gipsum telah memenuhi SNI 01-4449-2006 tentang standar mutu papan serat.
Efektivitas Game Epic Skater 2 Sebagai Media Simulasi Bermain Skateboard Menggunakan Konsep Fisika Kinematika 2 Dimensi Nurul Fatihah; Nikma Nurul Khomsati; Bayu Setiaji
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.34688

Abstract

Epic Skater 2 is a 3D skating game simulating skateboarding on various tracks by sliding and spinning to get maximum points. This study aims to analyze the concept of physics in kinematics material especially parabolic motion by analyzing the trajectory objects in the y direction in the Epic Skater game is it in accordance with the concept physics then concluded its effectiveness to be applied in skateboarding. The method used is an analysis using the tracker application. By using this software tracking data is represented in the graphical form y to t. Based on the research, the maximum height obtained in the epic skater game sequentially is 0,809 m ; 0,812 m ; 0,562 m ; 0,563 m, then averange height of 0,6865 m is obtained. The maximum height obtained on the skateboard game sequentially is 0,669 m ; 0,629 m ; 0,600 m ; 0,577 m, than an averange height of 0,61875 m is obtained.
Simulasi dan Analisis Tegangan Sensor LDR dengan OP-AMP Berbeda Dewi Lestari; Ramadhan Dwi Purnomo
JFT : Jurnal Fisika dan Terapannya Vol 10 No 1 (2023): JUNI
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i1.37446

Abstract

The development of the accelerated pace of technology makes people motivated to make new innovations, as well as something that can be controlled automatically. Therefore, we need a sensor that can facilitate human activities, especially in the home light control system. The purpose of this study is to test and analyze the LDR sensor by simulating a software, namely Proteus with different op-amps. LDR (Light Dependent Resistor) is a type of resistor whose resistance value depends on the intensity of light. The method used in this research is an experimental method, namely by conducting repeated tests 10 times for different types of op-amps. The tests carried out here use three ICs that have different types, namely IC LM 358, IC LM741 and IC LM747. The results of this study are the average voltage value generated for the IC LM385 input 2.75 Volt and 4.99 Volt, IC LM 741 input 2.74 Volt and 2.62 Volt and IC OP07 2.77 Volt input and output 2.5 Volts. Of the three IC test results, the largest average voltage value for both input and output is the OP-AMP LM385 IC.
Rancang Bangun Alat Uji Muai Panjang Material Logam Berbasis Pemanas Elektrik dan Dial Indikator Santoso, Hadi; Arie Linory; Marhadi Budi Waluyo; Andi Rosman
JFT : Jurnal Fisika dan Terapannya Vol 10 No 2 (2023): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v10i2.40085

Abstract

Has been design of a length expansion test instrument for metal material based on electric heaters and dial gauge with iron rods metal as the test material. The purpose of this research is to design a metal material length expansion instrument and analyze the feasibility of the instrument. The main components of this expansion test tool use an electric heater and a dial gauge. The function of the electric heater is as a heater on the test specimen, while the dial indicator is used as a measuring device which is an indicator of the long expansion phenomenon. After testing the iron metal, it showed that this instrument worked well in observing the long expansion phenomenon qualitatively. However, the quantitative results show differences, where the coefficient is measured (0.000045/℃) and reference (0.000012/℃).

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