cover
Contact Name
Andi Syam Rizal
Contact Email
jft_fisika@uin-alauddin.ac.id
Phone
+6285242741788
Journal Mail Official
jft_fisika@uin-alauddin.ac.id
Editorial Address
Jurusan Fisika Gedung Fakultas Sains dan Teknologi Lt. 2
Location
Kab. gowa,
Sulawesi selatan
INDONESIA
Jurnal Fisika dan Terapannya
ISSN : 23021497     EISSN : 27152774     DOI : -
Core Subject : Science,
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.
Articles 33 Documents
PENGARUH JENIS FLUIDA TERHADAP UNJUK KERJA MINIATUR PEMBANGKIT LISTRIK TENAGA UAP Kadir, Ihsan; Zelviani, Sri
JFT : Jurnal Fisika dan Terapannya Vol 6, No 2 (2019)
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.564 KB)

Abstract

The Research has been conducted which aims to determine the type of fluid on the power generated in the Miniature (PLTU) Steam Power Plant. The results obtained show that the turbidity level of water in aquades is 0.0 NTU, the turbidity level in 1.2 NTU well water and the turbidity level in river water is 6.5 NTU, with the concentration of acidity in aquades 5.6, at water concentrations wells 5.5 and at river water concentrations 5.2. COD content in aquades 63.2 mg / L, in well water 110.6 mg/L, in river water 189.6 mg / L, BOD content in aquades 2.2 ppm, in well water 1.1 ppm, and at 0.2 ppm river water based on the results of research that has been done can be concluded that the type of fluid influences the amount of electric power generated in the sample aquades 0.021 watts, in well water 0.006 watts, in river water 0.004 watts.
PENGARUH PERBANDINGAN MOLAR OKSIDA SIO2:AL2O3 DAN NA2O:SIO2 TERHADAP SIFAT MEKANIK GEOPOLIMER BERBASIS LATERITE DEPOSIT BONE Rihlan, Farina; Junaidi, Subaer; Bakri, Abdul Haris
JFT : Jurnal Fisika dan Terapannya Vol 6, No 2 (2019)
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (735.386 KB)

Abstract

The main objective of this research is to determine the effect of molar oxides of SiO2:Al2O3 and Na2O:SiO2 to the mechanical properties of geopolymer based on laterite soil deposite Bone. Geopolymers were produced through alkali-activation method of dehydroxylation laterite. Dehydroxylation was performed by using high-temperature furnace at  for 4 hours. The chemical compositions and the microstructure properties of the starting and the resulting materials were characterized based on X-Ray Diffraction (XRD) and Scanning Electron Microscopys (SEM). Measurements of bulk density, apparent porosity and compressive strength were carried out by using Archimedes method and Universal Testing Machine. The results showed that the highest phase of the starting material was quartz (SiO2). The physical properties of geopolymers was examined from the value of their bulk density, apparent porosity and the magnitude of their compressive strength. The results showed that the value of the porosity and the density are inversely proportional, the smaller the porosity, the greater the density. The highest compressive strength value was 6.33 MPa obtained from the sample designated as K6. It was found that geopolymer based on Bone laterite exhibited good mechanical properties.
HUBUNGAN INTENSITAS CAHAYA DAN JARAK PANCARAN SEBAGAI HUKUM KEBALIKAN KUADRAT Zelviani, Sri; Albar, Ahmad
JFT : Jurnal Fisika dan Terapannya Vol 5, No 1 (2018): Juni
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (563.357 KB)

Abstract

This research aims to determine the relationship between light intensity and beam distance as the inverse square law. From the experimental results it was found that the relationship between light intensity with the distance of the beam that is the farther the distance of the beam used, the intensity of the light obtained will be smaller, and vice versa. From the results of research conducted, obtained results for an average light intensity of 2.0636 Cd.
PENGARUH KOMPOSISI TERHADAP KARAKTERISTIK BRIKET KOMBINASI ARANG TEMPURUNG KELAPA DAN ARANG BAMBU Ihsan, Ihsan; T, Muh. Asrianto
JFT : Jurnal Fisika dan Terapannya Vol 6, No 1 (2019): Juni
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.899 KB)

Abstract

This research aims to determine the influence of variations of coconut shell charcoal and bamboo charcoal on briquette characteristics, thus obtained optimum composition that produces briquette with the best characteristic. This research is a laboratory experimentation study, with free variables being charcoal compositions, and bound variables are characteristic briquettes consisting of: Heat value, moisture content, and ignition length. The results showed that variations in the composition of briquette from coconut charcoal and bamboo charcoal influenced briquette characteristics, moisture value, moisture content, and the length of time of ignition. The highest heat value is obtained on the composition of 10% of bamboo charcoal and 90% of coconut shell Charcoal is 7110.73 cal/G with a water content of 4.82% and the length of time of 150.45 minutes.
ANALISIS LAJU KOROSI BESI BETON DENGAN MEDIUM TANAH RAWA Rahmaniah, Rahmaniah; Amalia, Nurul; Ihsan, Ihsan
JFT : Jurnal Fisika dan Terapannya Vol 6, No 2 (2019)
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (327.558 KB)

Abstract

The research on corrosion rate analysis of concrete iron with swampsoil medium has been conducted. The aims of this study were to determine thecorrosion rate and the types of corrosion that occurred in concrete iron withswamp soil medium. The methods of this study are Weight Loss method, AtomicAbsorption Spectroscopy (AAS) test, and Scanning Electron Microscope-EnergyDispersion X-Ray (SEM-EDX). This study used a different immersion timevariant, such as 20 days, 40 days, 65 days, and without medium for 65 days. Theconcrete iron used in this study is concrete U-24 or plain concrete iron 10. Thecorrosion rate that occurs in iron concrete with swamp soil medium at 20 daysimmersion is 20977.5868 mmpy, 40 days immersion is 17721.9174 mmpy, 65days immersion is 16932. 9071 and 65 days without a medium are 3023.3793mmpy. The more time, the rate of corrosion become more slowly due to theinfluence of corrosion products that have occurred. The corrosion rate without themedium is slower than the corrosion rate with the medium. The types of corrosionthat occurs in concrete iron with swamp soil medium are crevice corrosion andpitting corrosion.
IDENTIFIKASI DAERAH RAWAN LONGSOR DI KECAMATAN CAMBA KABUPATEN MAROS MENGGUNAKAN MIKROTREMOR Nirmayanti, Nirmayanti; Rahmaniah, Rahmaniah; Zelviani, Sri
JFT : Jurnal Fisika dan Terapannya Vol 4, No 2 (2017): Desember
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (783.739 KB)

Abstract

A study entitled Identification of Landslide-Prone Areas in Camba Sub-District, Maros Regency Using Microtremor has been carried out. Microtremor is ground vibration other than earthquake, it can be a vibration due to human activities and natural activities. So microtremor can occur due to vibrations due to people who are walking, car vibrations, vibrations of factory machines, wind vibrations, ocean waves or natural vibrations from the ground. This study aims to determine how much the dominant frequency produced in microtremor measurements in landslide prone areas in Camba sub-district, Maros district. Data collection was carried out by 10 points. The data obtained were processed using geopsy software. Based on the research that has been carried out, it can be concluded that the measurement point that has the biggest landslide potential is at the measurement point that has the smallest dominant frequency value with a large dominant frequency of 0.73 Hz and the measurement point that has the smallest landslide potential is at the measurement point that has a value the largest dominant frequency with a dominant frequency of 8.27 Hz. The most dominant frequency value that appears is 5 Hz.
STRUKTUR BATUAN PENYUSUN DESA PADA’ELO KECAMATAN MALLAWA KABUPATEN MAROS Musriadi, Musriadi; Wahyuni, Ayusari; Zelviani, Sri; Trihendriansyah, Trihendriansyah; Lestari, Utari
JFT : Jurnal Fisika dan Terapannya Vol 6, No 1 (2019): Juni
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (737.71 KB)

Abstract

This field study aims to look at the structure of rock layers and formations in the Mallawa area of Maros Regency. The method used in this studi is sampling at two points where these two points are estimated to have alignment on the layer. This method is a method of observation, direct measurement, and rock sampling at each point. From . This is obtained by several rock samples from each point which are then tested using water which serves to test the permeability and porosity of rock samples, while the hardness of the rock is tested by giving a scratch on the sample. From the research it was concluded that in general the rock structure in Pada? Elo, Kecamatan. Mallawa, Maros Regency is composed of sedimentary rock formations.
PENGARUH WAKTU PERENDAMAN LAPISAN TIO2 DALAM DYE EKSTRAK DAUN PACAR KUKU TERHADAP NILAI EFISIENSI DSSC Israyanti, Israyanti; Iswadi, Iswadi; Hernawati, Hernawati
JFT : Jurnal Fisika dan Terapannya Vol 6, No 1 (2019): Juni
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (750.081 KB)

Abstract

This study is about Dye Sensitized Solar Cell (DSSC) which aims to determine the absorbance value of henna leaf extract (Lawsonia Inermis L) as a sensitizer in DSSC and find out how the effect of immersion time of TiO2 layer on the efficiency value produced. The method used to make the extract is maceration and to doping TiO2 using the doctor blade method with an area of 1.5x1.5 cm. In this study UV-Vis testing was carried out to determine the absorbance value of dye henna leaf extract, current and voltage testing to determine the current and voltage values obtained from cells and SEM tests to determine the surface structure of TiO2 layers. The absorbance value of the nail extract leaf extract is based on the results of the UV Vis test which is 0.077 which is located in an area with a wavelength of 663 nm. For the TiO2 coating immersion time obtained the lowest efficiency value of cells with immersion of TiO2 layer for 1 hour which is 0.0038%, then immersion of TiO2 layer for 12 hours obtained efficiency value 0.0056% and soaking TiO2 layer for 24 hours obtained efficiency value 0.0083%.
ANALISIS PENGARUH GAYA TERHADAP FATIGUE LIFE BAJA STRUKTURAL PADA PEGAS DAUN MENGGUNAKAN ANALISIS ELEMEN HINGGA Kusmiran, Amirin; Said L, Muh.
JFT : Jurnal Fisika dan Terapannya Vol 6, No 2 (2019)
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.152 KB)

Abstract

Leaf spring is one of a component of the vehicle which are used to vibration damping caused by the force. Some cases that occur in the vehicle namely overload. This case can affect to fatigue life of steel leaf spring. One of a method that use to fatigue life prediction is high fatigue cycle where this method can be simulated using the finite element method. The number both element and node used in this research where 6961 element and 14726 nodes, respectively. Magnitude of the force used is 80 KN, 100 KN, and 200 KN where thus force are used to prediction of the fatigue life steel leaf spring. The result of this research revealed force 80 KN have the fatigue life longer than force 200 KN and 200 KN which is 106 cycle. In addition, the critical value of the fatigue life 80 KN is smaller than 100 KN, and 200 KN. As such as, the force 80 KN is recommendation as allowed force which use to vehicle. This value is validated by safety factor analysis where the force allowed as 80 KN with safety factor equal to 2.56.
PENGUKURAN FREKUENSI NATURAL PADA GEDUNG BERTINGKAT MENGGUNAKAN ACCELEROMETER GPL-6A3P Wahyuni, Ayusari
JFT : Jurnal Fisika dan Terapannya Vol 1, No 1 (2014): Desember
Publisher : UIN Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (402.863 KB)

Abstract

This research has been carried out in multi-storey buildings by measuring natural frequencies on the building and its basic land. The recorded vibration data were analyzed with the H / V technique to get its natural frequency value. The measurement results of building floor vibrations using the GPL-6A3P accelerometer show that the natural frequency on the 3rd floor and 2nd floor is 2 Hz, while on the 1st floor is 0.6 Hz and on the subgrade of the building is 0.4 Hz. 

Page 1 of 4 | Total Record : 33