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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 191 Documents
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PENGUKURAN LAJU DOSIS PAPARAN RADIASI HAMBUR PADA RUANG COMPUTER TOMOGRAPHY (CT) SCAN DI RUMAH SAKIT BHAYANGKARA MAKASSAR Astuti, Astuti; Sahara, Sahara; Zelviani, Sri
JFT : Jurnal Fisika dan Terapannya Vol 5 No 2 (2018): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v5i2.16110

Abstract

This research aims to determine the effect of exposure to radiation dose on the distance from the radiation source, determine radiation dose exposure with variations in exposure factors (voltage), and to determine the radiation exposure received by workers / operators in the CT-Scan room at Bhayangkara Hospital Makassar and using a sensitive Surveymeter with variations in the exposure factor (voltage) of 100 kV, 120 kV, and 135 kV and a variation of the distance from the radiation source of 0 m, 1 m, 2 m. The results showed that the highest dose was on the front side with a voltage of 135 kV at a distance of 0 m, namely 1.5 nSv / h. While the lowest dose is on the left side with a voltage of 100 kV at a distance of 2 m, namely 0.6 nSv / h. Radiation exposure received by workers / operators in the CT-Scan room at Bhayangkara Hospital Makassar at a voltage of 135 kV, a distance of 1 m from the radiation source, namely 1.5 nSv / h. This is in accordance with the provisions of BAPATEN, namely the value of the dose received does not exceed 50 mSv in (one) year.
IDENTIFIKASI ZAT WARNA DARI PENCAMPURAN EKSTRAK DAUN, BUNGA, DAN BUAH TUMBUHAN TROPIS SEBAGAI BAHAN SENSITIZER PADA DYE SENSITIZED SOLAR CELL Munandar, Aris; Iswadi, Iswadi; Fuadi, Nurul
JFT : Jurnal Fisika dan Terapannya Vol 4 No 2 (2017): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v4i2.16295

Abstract

Research on Identification of Color Substance from Tropical Leaf Extract, Tropical Fruit and Flower Preparation as Sensitizer Material on Dye Sensitized Solar Cell, which aims to know the absorption wavelength on mixing of leaf extract, fruits and tropical flower plant as sensitizer material on Dye Sensitized Solar Cell (DSSC) and to determine the value of constituent elements contained in the mixing of leaf extracts, fruits and flowers of tropical plants as a sensitizer material in Dye Sensitized Solar Cell (DSSC). The method used in this research is direct meseration method to obtain extract from tropical plants. The result of the research shows that the highest peak is in absorbance and wavelength, in mixing flower of girlfriend of water and leaves of nail girlfriend with wavelength 232.00 nm with absorbance value 4,157, XRF test obtained element or composition of the highest in mixing sample of White Water Flower and Leaf Flower Soursop namely Potassium (K) with a value of 53.18 % can be concluded that there are some tropical plants that can be used as a dye for the manufacture of Dye Sensitized Solar Cell (DSSC).
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.
KAJIAN KOMPETENSI MANAJERIAL DAN PENANGANAN KOMPETENSI PROFESIONAL DI LABORATORIUM IPA SMP NEGERI 17 MAKASSAR Hadriyanti, Hadriyanti
JFT : Jurnal Fisika dan Terapannya Vol 1 (2014): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v1i1.15749

Abstract

This study examines the managerial and professional competences in the science laboratory of SMP Negeri 17 Makassar. Data obtained through direct observation in the science laboratory by identifying all science laboratory equipment (Chemistry, Physics and Biology). The data is documented one by one and identified in accordance with government regulation (Permen) No. 26 of 2008 concerning School Laboratory Management. The results obtained are that (1) the condition of the carrying capacity of human resources (HR) and laboratory infrastructure to support the facilitation of the Science (Science) learning process at SMP Negeri 17 Makassar shows that the carrying capacity of the facilities and infrastructure, especially the laboratory equipment, has met criteria but it needs to be completed according to the specified standards and the managerial process is still minimal and not well organized and the intensity of laboratory use is still classified as moderate; (2) the science laboratory management system in SMP Negeri 17 Makassar can be seen in the competence of the head of the science laboratory, namely the average value of the standard understanding of the competency of the head of the laboratory is in a good category, but the application to streamline laboratory management activities is not fully maximized and has not according to the achievement targets set.
PENGARUH TEGANGAN TABUNG (kV) PADA PEMERIKSAAN THORAX TERHADAP KUALITAS CITRA RADIOGRAFI DI BALAI BESAR KESEHATAN PARU MASYARAKAT MAKASSAR Fitriani Fitriani; Sri Zelviani; Sahara Sahara
JFT : Jurnal Fisika dan Terapannya Vol 7 No 2 (2020): DESEMBER
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v7i2.18067

Abstract

This study aims to determine the effect of high voltage usage and standards on the quality of radiographic imagery produced on X-ray aircraft. Data retrieval was obtained by conducting testing in the Radiology Installation room of the Makassar Public Lung Health Center by using an X-ray aircraft of thosiba brand type with drx-1824B model unit. The result obtained is the voltage of the tube gives an influence on the quality of radiography imagery where for the use of standard tube voltage provides good radiographic imagery quality results with a graph reading histogram voltage of 50 kV with a distance of 100 cm and a time of 10 mAs with a black background image starting at the position of 16 to 36 and the position of the object is 37 to 79 which is then able to provide information because the edges of the object and background can still be distinguished clearly and for the high voltage used the result is less tub because it can reduce the contrast value of objects and background is indistinguishable, this is seen in the histogram readings voltage of 90 kV and distance of 100 cm and the time of 10 mAs has a gradation of gray color that dominates compared to the black background whose position starts from 10 to 132 which can not provide information on the edge value between the background and the object phantom water because both seem to be fused so that it is indistinguishable and causes an inadequate image contrast Not good enough.
PENGUKURAN ENTRASCE SKIN EXPOSURE DAN LAJU PAPARAN RADIASI HAMBUR PADA PEMERIKSAAN KEPALA DENGAN METODE TEGANGAN TINGGI DI RUMAH SAKIT BHAYANGKARA MAKASSAR Anugrah, Nur Azmi
JFT : Jurnal Fisika dan Terapannya Vol 5 No 1 (2018): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v5i1.15970

Abstract

This study aimed to identify the usage method of high voltage tube (kV) with doses and velocity of exposure radiation received by patients during the head checkup and to know the point or safe distance from the radiation sources to the patient and the employee of radiation in the radiology room in Bhayangkara  Hospital Makassar . Measuring Entrasce Skin Exposure using multimeter X-Ray Barracuda, and measuring the velocity of exposure radiation using surveymeter at a distance of 1 m, 2 m, and 3 m from the object .The eksposi factor used at voltage tube 70 kV, 80 kV, 90 kV, 100 kV, 110 kV, and the current of tube 200 mA, 160 mA, 100 mA, 50 mA, 20 mA, and time ekspos used 0,250 s. From this research obtained that using of high voltage tube 110 kV produce low Entrasce Skin Exposure 0,590 mGy and using standard voltage tube (kV) 70 kV produce high Entrasce Skin Exposure 4,188 mGy . And measuring the velocity of exposure radiation produce 2500 µSv/h at a distance  1 m, 2200 µSv/h at a distance 2 m, and 1700 µSv/h  at a distance 3 m, with high voltage tube at 110 kV. And using voltage tube 70 kV produce low velocity of exposure radiation of 115 µSv/h at a distance 1 m, 72 µSv/h at a distance 2 m, and 7 µSv/h at a distance 3 m. Results showing that the more high voltage tube the more few Entrasce Skin Exposure received to the patients but bigger the velocity of exposure radiation for the employee of radiation and the community and the close distances from sources, higher the rate of exposure radiation, and vice versa . For that reason , point / safe distance for the employee of radiation room and the public should be at a distance 5 m from the radiation sources.Keywords : radiation, Entrasce Skin Exposure , velocity of exposure radiation, high voltage
IDENTIFIKASI ARAH REMBESAN DAN LETAK AKUMULASI LINDI DENGAN METODE GEOLISTRIK RESISTIVITAS DI TEMPAT PEMBUANGAN AKHIR (TPA) TAMANGAPA MAKASSAR Rosdiana, Rosdiana; Said L, Muh; Rahmaniah, Rahmaniah
JFT : Jurnal Fisika dan Terapannya Vol 2 (2015): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v2i0.16892

Abstract

This research aimed to identify the location of accumulation and distribution direction of the spread of leachate at landfills Tamangapa around Makassar Multichannel Resistivity meter resistivity measurements using the form of the voltage injected into the subsurface through a predetermined trajectory as much as six trajectory. The method used is Geolistrik resistivity method with Wenner-Schlumberger configuration. Data processing is done by using RES2DINV to generate a 2D cross-section of data below the surface, and use Voxler 3 to determine distribution direction and location of the accumulation of leachate seepage of leachate . Based on the location of the results obtained by the accumulation of leachate generated from landfill waste decomposition Tamangapa Makassar interpreted to be at a depth of 2.50-18.52 m with apparent resistivity values from 0.0090-5.00 Ωm at coordinates 5017'727''LS and 119049'084''BT elevation 16-20 m above sea level. While the distribution of leachate seepage direction around Tamangapa Makassar interpretation in sector 1 seepage eastward direction which is at coordinates 5017'594''LS and 119049'202''BT with a depth of 2.50-12.80 m. In the second sector is interpreted towards see page of leachate to the west which is at coordinates 5017'727''LS and 119049'084''BT with a depth of 2.50-31.87 m.
UJI KUALITAS CAMPURAN ABU SEKAM PADI DAN SERBUK ABU ECENG GONDOK SEBAGAI BAHAN AGREGAT HALUS PEMBUATAN BATAKO Asriyati, Asriyati; Iswadi, Iswadi
JFT : Jurnal Fisika dan Terapannya Vol 4 No 1 (2017): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v4i1.15681

Abstract

This study aimed to compare the effect of adding aggregate rice husk ash and ash hyacinth of compressive strength and water absorption in the brick material, as well as great knowing the composition of the addition of rice husk ash and ash water hyacinth on the brick material. This study uses a beam-shaped test samples with a length of 15 cm, a width of 8 cm and 6 cm high with the addition of fine aggregate composition that varies the normal, 10%, 20%, 30% and 40%. Brick-making with a mixture of sand, cement, water and a mixture of rice husk ash and ash water hyacinth. The drying process is naturally carried out for 28 days. Testing the compressive strength of concrete blocks using forney engine while testing for absorption of water soaking for 24 hours. Based on test results obtained by each parameter is for the compressive strength with samples of rice husk ash (SP) is minimum 24.87 kg / cm2 and the maximum is 98.04 cm / kg2, for ash water hyacinth (EG) as a minimum 65.41 kg / cm2 and the maximum is 111.69 kg / cm2 and the mixing of the two materials (SP + EG) as a minimum 43.53 kg / cm2 and the maximum is 66.56 kg / cm2 (according to ISO standards 03-0349-1989); the value of water absorption of rice husk ash (SP) is minimum 7.30% and maximum 19.32%, for the ash water hyacinth (EG) is minimum 1.21% and maximum 1.33% and for the mixing of the two materials (SP + EG) at a minimum of 8.05 and maximum 13.71 (according to the standard SNI03-0349-1989). Keywords: Brick, Compressive strength, Water absorption, Rice hulls, Water hyacin.
RANCANG BANGUN REAKTOR BIOGAS DENGAN PENGADUK Munazzirah, Munazzirah; Iswadi, Iswadi; Ihsan, Ihsan
JFT : Jurnal Fisika dan Terapannya Vol 3 (2016): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v3i0.16832

Abstract

This research aims to design and compare the results to the biogas reactor with a stirrer with a biogas reactor without a stirrer. The research has successfully designed a biogas reactor with a stirrer with a stirrer using a dynamo as a player with a capacity of 11 kg. From the results of tests performed 3 times a day for 9 days, had the highest pH value data obtained on day 5 is 7.5 to biogas reactor with a stirrer and a biogas reactor without a stirrer. For the measurement of temperature changes irregularly due to unfavorable weather conditions remain. For the production of biogas in the biogas reactor with a stirrer, began to be seen on day 5 with a value of 76.3 cmHg whereas the increase in biogas reactors without biogas agitator begins to form on day 7 with a 76.5 rise in value. This tool is used for testing samples of cow dung as a sample of the most nice and easy to obtain. Based on the results of research conducted, it can prove that the biogas reactor stirrer dngan able to produce biogas more quickly than the biogas reactor without a stirrer this was due to the substrate in the fermentation container tercempur homogeneously so that the bacteria is able to reproduce a whole.
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.

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