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Jurnal Fisika dan Terapannya

jft
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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 189 Documents

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PENGUKURAN STRIKE DAN DIP DI DESA PADAELOâ€™ KECAMATAN MALLAWA KABUPATEN MAROS SULAWESI SELATAN Wahyuni, Ayusari; Fuadi, Nurul; Zelviani, Sri; Ayu, Dya; Aminah, Aminah; Azyurah, Zilmi; Nur, Fenty
JFT : Jurnal Fisika dan Terapannya Vol 6 No 1 (2019): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

It has been done field lectures to determine Strike and dip in the village in the ELO district, Mallawa Maros South Sulawesi Regency. The purpose of this lecture is to know the value of Strike and dip in the lecture site field. The methods used are methods of discussion, sampling and measurement. The tools used are geological compass, GPS, geological Hammer, ATK and meter. From the results of measurements obtained Strike and DIP N353oE/64o value at the location of the lecture field.

PENGUKURAN RADIOAKTIVITAS GAMMA PADA SAMPEL TANAH DI DAERAH KABUPATEN MAMUJU Imran, Dzulqadri; Iswadi, Iswadi; Zelviani, Sri; Supriyatni, Elisabeth
JFT : Jurnal Fisika dan Terapannya Vol 6 No 1 (2019): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

The research aims to determine the level of radioactivity in the district of Mamuju and compare it with other land activities. and prove previous research on land activity in Mamuju is quite high. Measurements are done using the method of counting and identifying. That is identifying the radionuclides contained in the sample according to the Uranium and Thorium series. The tools used are LBC (Low Background Counter) and Gamma spectrometry. The results showed that: land activity in all samples has exceeded the limits established by PERKA BAPETEN and IAEA (International of Atomic Agency). The highest radioactivity results are found in the Takandeang region. And on all three samples showed the results of a very significant natural radionulida activity on vulnerable concentrations of activity in European countries.

PENGUJIAN KERAPATAN DAN KADAR AIR SERTA PENGUJIAN KOEFISIEN ABSORBSI UNTUK MENGETAHUI PENGARUH VARIASI KETEBALAN DAN FREKUENSI TERHADAP PAPAN AKUSTIK BERBAHAN DASAR DAUN PANDAN DURI (PANDANUS TECTORIUS) Hasan, Hasniati; Sahara, Sahara; Zelviani, Sri
JFT : Jurnal Fisika dan Terapannya Vol 6 No 2 (2019): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Penelitian ini bertujuan untuk mempelajari sifat-sifat fisis yang terkait dengan hasil dan kadar air papan akustik berbahan dasar daun pandan duri serta mempelajari variasi ketebalan dan frekuensi terhadap koefisien absorbsi bunyi papan akustik berbahan dasar daun pandan duri. Metode yang digunakan pada penelitian ini yaitu membuat papan akustik dengan dua jenis sampel yaitu sampel tumbuk dan sampel blender dengan ketebalan 0,7 cm, 1,0 cm, 1,2 cm dan 1,5 cm, serta mengukur nilai kerapatan, kadar air dan koefisien penyerapan dengan variasi ketebalan dan frekuensi. Nilai besar yang digunakan adalah 125 Hz, 250 Hz, 500 Hz, 1000 Hz, 2000 Hz dan 4000 Hz. Berdasarkan hasil penelitian yang diperoleh nilai koefisien absorbsi berbanding terbalik dengan ketebalan, di mana semakin tebal suatu bahan maka semakin kecil koefisien absorbsi.Kata Kunci: Daun Pandan Duri, Akustik, Koefisien Absorbsi, Frekuensi, Kerapatan, Kadar Air, Resin poliester

IDENTIFIKASI INDEKS KERENTANAN SEISMIK DI BENDUNGAN BILI-BILI KABUPATEN GOWA DENGAN METODE HORIZONTAL TO VERTICAL SPECTRAL RATIO (HVSR) Syah, Chairuni; Said L, Muh.; Wahyuni, Ayusari
JFT : Jurnal Fisika dan Terapannya Vol 4 No 2 (2017): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

A research has been conducted to determine the value of seismic vulnerability index and vulnerability index mapping at Bili-Bili dam in Gowa district. This research uses seismometer to record seismic wave signal. Data were collected by 9 measurement points. The data obtained is then processed by software Geopsy using the method Horizontal to Vertical Spectral Ratio (HVSR). The result of data processing obtained by the dominant frequency value (f0) and amplification (A0), then calculated seismic susceptibility index value. Based on the result of research indicate that seismic susceptibility index value in Bili-bili Dam area is 0,358-3,884. This indicates that areas in the Bili-Bili Dam include small to medium vulnerability indexes and are still safe in case of an earthquake.

IDENTIFIKASI JENIS DAN ARAH SESAR AKTIF DI WILAYAH SULAWESI SELATAN MENGGUNAKAN METODE HIPOCENTER DAN CENTROID (H-C) Lorna, Lorna; Rahmaniah, Rahmaniah; Wahyuni, Ayusari
JFT : Jurnal Fisika dan Terapannya Vol 6 No 1 (2019): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

This study aims to identify the direction and type of active faults in the region of South Sulawesi by using the hypocenter and Centroid (HC). The data used is secondary data obtained from the hypocenter USGS, IRIS, GEOFON website and the data obtained from BMKG centroid that is processed using the focus mechanism to coordinate limit Â LS â€“ Â BT. According to the research by the method of HC obtained by the type and direction of the active faults in the region I with the type of normal foult directed N6E/32 south-north , region II with the type of strike-slip fault directed N358E/83Â north-south, Region III with the type of oblique fault directed N74E/16Â southwest-northeast, Region IV with the type of normal foult directedÂ N109E/56 northwest- southeast and in the region of V with the type of strike-slip fault directed N332E/50 southeast-northwest.

ANALISIS PRODUKTIVITAS GAS HIDROGEN BERDASARKAN ARUS DAN TEGANGAN PADA PROSES ELEKTROLISIS H2O Fitriyanti, Fitriyanti
JFT : Jurnal Fisika dan Terapannya Vol 6 No 2 (2019): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

This study designed a HHO generator by separating oxygen (O2) and Hydrogen (H2) gas. The controlled variable is the HHO generator container made of plastic with a width of 12 cm, length 24 cm, height 20 cm in the shape of a rectangle, and filled with aquades as much as 1 litter, the distance between the electrodes is 1.5 mm, the temperature that occurs during the electrolysis process is 33oC to 40oC. The research variables observed were current and voltage used during the H2O electrolysis process, Brown's gas flow rate in the measuring cup (ml / min), the efficiency of the HHO generator, ie the energy or power used in the H2O electrolysis process Based on the research results obtained by the addition of a PWM Controller to increase the voltage can increase the productivity of the hydrogen gas produced. The value of the power needed affects the effectiveness of the electrolysis device, the greater the power needed, the effectiveness will decrease, this is influenced by the increasing amount of electricity consumption required in the operation of the tool. The maximum effectiveness obtained is 8,127% with 36 watts of power.

IDENTIFIKASI STRUKTUR BATUAN DAERAH RAWAN LONGSOR DI KECAMATAN CAMBA KABUPATEN MAROS BERDASARKAN METODE GEOLISTRIK KONFIGURASI WENNER Janna, Nur; Rahmaniah, Rahmaniah; Wahyuni, Ayusari
JFT : Jurnal Fisika dan Terapannya Vol 4 No 1 (2017): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

This research was carried out on the Maros-Bone axis road in Sawaru Village, Camba sub-district, Maros district, South Sulawesi. This area is one of the areas prone to ground movement. This is because this area has a hilly and humid geographical condition. To find out the subsurface conditions, a research using the 2-dimensional type geoelectric resistivity method with the Wenner configuration. The results of the analysis and interpretation of the 2-dimensional cross section shows that the Camba sub-district which consists of clay rock, alluvium rock, gravel, compact sedimentary rock, and ground water and the point of dosing is at a depth of 8 meters. This layer has a resistivity value between the resistivity value of 2.71 5,m-5.78 Î©m which is characterized by water-saturated clay rocks and can cause landslides at any time because of the pressure from the top of the rock with a large value of resistivity. The slip plane is marked with clay rock at a depth of 4 meters-8 meters. This type of avalanche is a rotational avalanche.

KARAKTERISTIK TEKTONIK DAN PERIODE ULANG GEMPA BUMI PADA SESAR MATANO SULAWESI SELATAN Hariani, Hariani; Said L, Muh.; Wahyuni, Ayusari
JFT : Jurnal Fisika dan Terapannya Vol 5 No 2 (2018): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

This research aims to determine the tectonic characteristics of the Matano Fault by looking at the a-value and b-value values and the period of earthquake occurrence. Matano fault is an active fault in Sulawesi. So the potential for earthquakes in this area is quite high. By analyzing the earthquake return period, especially for earthquakes with large magnitudes, we can estimate when approximately large earthquakes will occur again and anticipate in dealing with them. Based on the results of research using the Least Square method and the Likelihood the value of a-value (earthquake activity) is higher than the b-value (local rock conditions). This indicates that seismic activity in Matano fault is relatively high. Whereas for b-value (rock condition) The greater the b-value the greater the level of rock fragility and vice versa. In determining the level of seismicity in an area using two methods, namely the least square method with a b-value of 0.310 and a-value of 3.177 while for the Likelihood method a b-value of 0.315 and an a-value of 2,551 from the two methods obtained by different regions that matano faults which have high seismicity or earthquake prone areas. From the calculation using the Least Square method, the fastest return period for M tercepat 4 is around 4 years and the longest is around 23 years while the results obtained from the Likelihood method are the fastest return period around 5 years and the longest is around 48 years.

PEMBUATAN DAN KARAKTERISASI KOMPOSIT LiBOB/MgCl2 DENGAN METODE SOLID STATE REACTION Darwis, Arwin; Iswadi, Iswadi; Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 6 No 1 (2019): Juni
Publisher : Universitas Islam Negeri Alauddin Makassar

The manufacture and characterization of the lithium bus Composite (oxalate) borate with the addition of magnesium chloride (LiBOB/MgCl2). Electrolytes as a media transfer ion battery, plays an important role in the charge-discharge process of lithium ion batteries. The basic ingredients used in the study are lithium hydroxide (LIOH), Borid acid (H3BO3), Our acid dehydrate (H2C2O4 â€¢ 2H2O) and magnesium chloride hexahydrate (MgCl2 â€¢ 6H2O). The method used in this research is solid state reaction or known as solid-solid method. Based on the results of the XRD characterization, shows the peaks of LiBOB experiencing a shift after being added with 2.5%; 5% and 7.5% MgCl2 â€¢ 6H2O, in addition it also raises new peaks of magnesium. While the spread of the material is blown the sample appears evenly with the SEM-EDX test, however there are some elements that are experiencing clotting. And the FTIR test showed a change in the frequency of each mass increase of MgCl2 â€¢ 6H2O, but did not cause peak changes in each sample. In the EIS test results, obtaining a low electrical conductivity value, due to agglomeration of the material after the addition of elemental magnesium that is ionic. Thus also causes the diffusion of ions to lower.

UJI KUAT TEKAN DAN DAYA SERAP AIR PADA BATAKO DENGAN PENAMBAHAN LIMBAH TULANG IKAN Sahara, Sahara
JFT : Jurnal Fisika dan Terapannya Vol 6 No 2 (2019): Desember
Publisher : Universitas Islam Negeri Alauddin Makassar

Batako adalah material penyusun dinding rumah yang biasa menjadi pengganti batu bata. Material penyusun batako adalah semen dan pasir. Dalam penelitian ini dibuat batako dengan penambahan serbuk tulang ikan dengan komposisi berbeda. Tujuan dari penelitian ini adalah untuk mengetahui bagaimana pengaruh penambahan serbuk tulang ikan terhadap kuat tekan dan daya serap air pada batako. Untuk mendapatkan hasil penelitian digunakan beberapa tahap metode penelitian antara lain: Pembuatan sampel uji batako, Pengujian kuat tekan dan daya serap air. Sampel uji terdiri dari 7 sampel dengan komposisi campuran B1 = 5% Tulang Ikan: 45 % Semen, B2 = 10 % Tulang Ikan : 40 % Semen, B3 = 15% Tulang Ikan : 35 % Semen, B4 = 20% Tulang Ikan : 30 % Semen, B5 = 25% Tulang Ikan : 25 % Semen, B6 = 30% Tulang Ikan: 20 % Semen, B7 = 35% Tulang Ikan : 15 % Semen. Komposisi air dan pasir dibuat konstan dengan campuran Pasir 40% : Air 10%. Kemudian dilanjutkan dengan pengujian kuat tekan dan daya serap air tiap sampel. Hasil penelitian menunjukkan bahwa penambahan 5% dan 10% tulang ikan ke dalam agregat campuran batako berpengaruh pada peningkatan nilai kuat tekan. Sebaliknya penambahan diatas 25 % mengakibatkan penurunan nilai kuat tekan batako. Jika dibandingkan dengan standar SNI, sampel B1, B2 dan B4 memenuhi standar Nasional Indonesia (SNI) beton kelas III dan IV. Untuk Daya Serap air pada semua sampel rata-rata 10% dan memenuhi standar Nasional (SNI) penyerapan air yang nilainya maksimal 25%.

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Andi Syam Rizal

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jft_fisika@uin-alauddin.ac.id

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Jurusan Fisika Gedung Fakultas Sains dan Teknologi Lt. 2

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Kab. gowa,

Sulawesi selatan

INDONESIA

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Home Page

OAI Link

Editorial Team

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Reviewer

Google Scholar

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

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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