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Jurnal Fisika FLUX
Published by Universitas Lambung Mangkurat
ISSN : 1829796X     EISSN : 25411713     DOI : -
Core Subject : Science, Education,
Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics
Jurnal Fisika FLUX is a peer-reviewed, open access journal that publishes original research articles, review articles, as well as short communication in all areas of physics including applied physics, which includes: physics instrumentation and computation, biophysics, geophysics, physics materials, theoretical physics, and physics education. Journal use single peer reviewed to publish. This journal is published by Universitas Lambung Mangkurat Press. ISSN 1829-796X (print) and ISSN 2541-1713 (online) Jurnal Fisika FLUX is published twice a year. Articles will be peer reviewed first. Once ready to be published immediately on the current edition.
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Articles 555 Documents
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Analisa Pola dan Sifat Aliran Fluida dengan Pemodelan Fisis dan Metode Automata Gas Kisi Siregar, Simon Sadok; Suryajaya, Suryajaya; Muliawatiq, Muliawati
Jurnal Fisika FLUX Vol 7, No 1 (2010): Jurnal Fisika Flux Edisi Februari 2010
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v7i1.3080

Abstract

This research is conducted by using physical model and Lattice GasAutomata method for simple flow patterns having different geometry. Fromphysical model, the results are speed pattern and fluid flow permeability. Theresulted value of the permeability by using physical model will be compared tothe resulted value of the LGA. The compared value of the LGA method is thevalue with angle 5o, 10o and 15o by using laboratory scale. These angles arechosen due to it’s the lowest error compared to those of other angles. In thephysical model the lowest permeability value is gotten from the pattern of straightgeometry 60o with value 0.201 x 10-6 m2 and the highest permeability value isfrom pattern of turn 2 with value 0.341 x 10-6 m2. While by using LGA methodthe the lowest permeability value is pattern of straight 60o with value 0.209 x 10-6 m2 while the the highest real permeability value is pattern of turn 2 with value0.344 x 10-6 m2. From the comparison data of permeability the results of errorare 3.74%, 0.7% and 4.2% for the angle of 5o, 10o and 15o, respectively
Pemetaan Lokasi Fishing Ground dan Status Pemanfaatan Perikanan di Perairan Selat Madura Muhsoni, Firman Farid; Efendy, Mahfud; Triajie, Haryo
Jurnal Fisika FLUX Vol 6, No 1 (2009): Jurnal Fisika Flux Edisi Februari 2009
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v6i1.3049

Abstract

This research aims at finding the map of waters quality to predictfishing ground, examining the determinant of modeling parameter of fish catchingregion, analyzing catch unit effort (CpUE) and status of fish utilization. Mappingwaters quality parameter is constructed with method of field sample datainterpolation. Besides, the mapping of surface temperature and chlorophyll isextracted from satellite image Landsat. ETM+. In addition, the mapping ofcatching region is resulted in scoring and weighting factors. Accuracy test isdone by method of RMSE. Fishery utilization status is acquired from method ofapproaches holistic (production surplus model). Map waters salinity at straitsMadura ranges between 27 ppm - 46 ppm, pH range from 8-9, brightnessranges from 0-2 m. Sea level temperature from image landsat in dry seasonranges from 24,1 0C - 27,3 0C in rainy season between 24,7 0C - 28,6 0C.Optimum temperature in rainy season is lower than in dry season. Chlorophyll indry season ranges between 0 mg/m3 - 19,6 mg/m3, in rainy season between -0,02 mg/m3 - 41,95 mg/m3. In dry season, the most appropriate catching regionis 58,04 %, appropriate region 36,99% and inappropriate region 4,96 %, while inrainy season, inappropriate region achieves 94,44 %, appropriate 2,89 % andinappropriate 2,65 %. Sea level temperature accuracy test gets RMSE 2,32 andfor chlorophyll content 2,31. Fishery estimation result pelages get CpUE 0.10ton/trip with utilization status indicating over-fishing in tahun1997 and fisherydemersal CpUE 0.03 ton/trip with utilization status indicating a surplus incatching in last three year.
KARAKTERISASI ANTENA MIKROSTRIP PATCH SEGITIGA SAMASISI DENGAN FREKUENSI KERJA 2,4 GHz UNTUK KOMUNIKASI WIRELESS Suganda, Rolly Ega; Sari, Nurma; Suryajaya, Suryajaya
Jurnal Fisika FLUX Vol 13, No 1 (2016): Jurnal Fisika FLUX Edisi Februari 2016
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v13i1.1635

Abstract

Telah dibuat antena mikrostrip patch segitiga samasisi dengan frekuensi kerja 2,4 GHz. Antena mikrostrip patch segitiga dipilih karena memiliki dimensi yang lebih kecil untuk menghasilkan radiasi dan frekuensi kerja yang sama dibandingkan bentuk geometris lainnya. Mikrostrip patch segitiga samasisi dibuat melalui tahap-tahap simulasi, fabrikasi, dan karakterisasi. Program simulasi antena mikrostrip dibuat menggunakan fitur GUI pada pemrograman Matlab. Antena yang telah difabrikasi, dibuat pada substrat FR4 dengan  4,7 pada ketebalan 1,6 mm dan 1,0 mm, variasi yang diterapkan adalah ukuran substrat yang dibuat pada luasan 55mmx55mm dan 60mmx60 mm, dengan total keseluruhan berjumlah empat sampel antena. Pada kondisi ideal keempat sampel harus memiliki return loss -54,4223 dB; VSWR 1,00; impedansi 49,81 ohm; dan gain 6,93 pada ketebalan substrat 1,6 mm dan 4,89 pada ketebalan substrat 1,0 mm. Hasil karakterisasi yang telah dilakukan didapatkan nilai return loss keempat sampel berurutan sebesar -19,558; -20,416; -17,25 dan -8,97 dB, VSWR berurutan bernilai 1,24; 1,21; 1,32 dan 2,26, Impedansi bernilai 56,734; 56,457; 54,069 dan 55,641 ohm, dan gain bernilai 2,21; 2,23; 2,1 dan 2,22 dB. Pola radiasi azimuth dan polarisasi membentuk kuncup besar dan kuncup belakang yang dominan, padahal pada kondisi ideal kuncup belakang dominan hanya terjadi pada antena omnidirectional. Pola radiasi elevasi membentuk pola menyerupai setengah lingkaran yang tidak sempurna ke arah gain maksimum. Dari keempat sampel, hanya antena empat yang tidak memenuhi syarat untuk digunakan pada frekuensi kerja 2,4 GHz, karena memiliki return loss dan VSWR yang tidak memenuhi standar.Kata kunci: komunikasi wireless, antena mikrostrip patch segitiga, Matlab
Halaman Depan Jurnal Fisika FLUX Husain, Sadang
Jurnal Fisika FLUX Vol 14, No 1 (2017): Jurnal Fisika FLUX Edisi Februari 2017
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v14i1.4508

Abstract

PENDUGAAN PENCEMARAN AIR TANAH DI TEMPAT PEMBUANGAN SAMPAH LANDASAN ULIN TIMUR DENGAN METODE GEOLISTRIK KONFIGURASI SCHLUMBERGER Priyanti, Denok Dwi; Wahyono, Sri Cahyo; Siregar, Simon Sadok
Jurnal Fisika FLUX Vol 11, No 1 (2014): Jurnal Fisika FLUX Edisi Februari 2014
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v11i1.2622

Abstract

ABSTRACT. Along with the increment of human population, ground water pollution also tends to increase. It primarily due to the accumulation of waste which could harm the public health. Trash or waste is one of the important issues which could contaminate ground water, especially waste landfills. Ground water that has been contaminated with liquid waste (leachate) can affect the quality of ground water. This study aimed to determine the composition of rocks, layers and depth of ground water around waste landfills (TPS) and to determine whether ground water around the TPS is contaminated or not. Estimation of groundwater pollution could be determined by measurement using geoelectric method with schlumberger configuration. It showed  the presence of leachate layer at depth of 0,51 – 8,51 m with measured resistivity of 3,89 – 9,63 Ohm.meter, while groundwater is at depth of 22,92 – 26,59 m with resistivity value of 88,98 – 128,75 Ohm.meter. AAS sample test has been conducted to determine whether the ground water around TPS is contaminated or not.  The test results using AAS showed groundwater around TPS was contaminated with Lead (Pb), iron (Fe) and Cadmium (Cd). The evidence was the value of their concentrations in three water samples which exceeded the thresholds in accordance with the requirements of drinking water. Threshold for Pb, Fe and Cd are 0,01 ppm, 0,3 ppm and 0,003 ppm, respectively. From the measurement results of sample 1, 2 and 3 couls be obtained the concentration of  Pb are 0,084 ppm, 0,044 ppm and 0,091 ppm, the concentration of Fe are 0,812 ppm for 1,018 ppm and 0,203 ppm, while the concentration of Cd are 0,012 ppm, 0,017 ppm and 0,01 ppm. Keywords: Ground water, waste, geoelectric, AAS
Estimasi Ukuran Bulir Mineral Magnetik pada Batuan Peridotit Berdasarkan Peluruhan Anhysteretic Remanent Magnetization (ARM) Reida, Rina; Sudarningsih, Sudarningsih; Wianto, Totok
Jurnal Fisika FLUX Vol 6, No 2 (2009): Jurnal Fisika Flux Edisi Agustus 2009
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v6i2.3062

Abstract

A decaying measurement of Anhysteretic Remanent Magnetization(ARM) has been undertaken to estimation the grain size of magnetic mineralwhich carries remanent on peridotite igneous rocks. The samples are taken fromDesa Aranio, Kabupaten Banjar, South Kalimantan. The samples are taken in acylinder from with the diameter 2.54 cm and 2.2 cm in length by using Drill ModelD026-C. The giving, measuring and decaying process of ARM is done byMolspin AF Demagnetizer, partial Anhysteretic Remanent Magnetization(pARM), and Minispin Magnetometer. The estimation of grain size of magneticmineral is obtained by seeing ARM intensity decaying curve towards magneticfield shown by the samples of peridotite igneous rocks. The ARM intensitydecaying curve show that the estimated peridotite rocks in research aredominated by multidomain and the size are big, whereas the distribution of thegrain size is larger than 200 μm.
Analisis Tingkat Kecepatan Korosi Besi dengan Menggunakan Sinar Gamma Lubis, Ashar Muda; Supiyati, Supiyati
Jurnal Fisika FLUX Vol 6, No 2 (2009): Jurnal Fisika Flux Edisi Agustus 2009
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v6i2.3058

Abstract

In order to examinate rate of iron corrosion, we have conducted aresearch using apparatus Geiger-Muller Tube with sources radiation standardCo-60 as a source of Gamma ray. The samples, iron plate with diameter 2 cmand thichness 0.13 cm, were corroded by various media of corrosion i.e. water(H2O), solution of salt (NaCl) and sulphuric acid (H2SO4) with interval timecorrosion ± 5 days, 10 days, 15 days, 20 days, and 25 days. Firstly, weestimated intensity of Gamma ray before (Io) and after (I) passing through thesamples, and then we evaluated the absorption coefficient of samples. Weobtained that equation of absorption coefficient is A (water) = 0.0014t – 0.4608;R2 = 0.9184, A (salt solution) = 0.0015t – 0.4589; R2 = 0.8886 and A (sulphuricacid) = 0.0017t – 0.4532; R2 = 0.780. We calculated that the rate of corrosion forwater, salt solution and sulphuric acid is 0.0014 gr/cm2/day, 0.0015 gr/cm2/dayand 0.0017 gr/cm2/day respectively. The result shows the rate of corrosioncaused by sulphuric acid larger than corroded by salt and water. In addition, therates of corrosion of iron depend on interval time of corroding iron plate andmedia of corrosion. Another factor which may be related to rate of iron corrosionsuch as temperature, humidity and concentration of media of corrosion should beconsidered for next future.
Analisis Perhitungan Benchmark Keselamatan Kritikalitas Larutan Uranil Nitrat di Teras Slab 280T STACY Zuhair, Zuhair; Suwoto, Suwoto; Suharno, Suharno
Jurnal Fisika FLUX Vol 8, No 2 (2011): Jurnal Fisika Flux Edisi Agustus 2011
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v8i2.3115

Abstract

Criticality benchmark experiment at STACY critical facility is important forvalidation of computation technique and nuclear data library used in design of nuclearfuel cycle criticality safety. This paper discusses criticality safety benchmarkcalculation at STACY facility, which uses uranyl nitrate solution with MCNP-4C MonteCarlo transport code. The continuous energy nuclear data library was utilized inbenchmark calculation to complete criticality safety analysis. The MCNP-4C criticality(keff) prediction indicated overestimated results for all configurations except forconfiguration 131. The biases of calculation with criticality experiment (keff = 1) wereunder 0.26%. Configuration 140 calculation showed the most precisely agreement withC/E value of 1.0001. From these results, it can be concluded that the capability andreliability of MCNP-4C is constantly high in prediction of criticality accuracy for uranylnitrate solution at STACY 280T slab core.
Pengembangan Petunjuk Praktikum Fisika Dasar I Berbasis 5M Untuk Melatih Keterampilan Proses Sains dan Karakter Wasaka Misbah, Misbah; Wati, Mustika; prastika, miranti diah
Jurnal Fisika FLUX Vol 15, No 1 (2018): Jurnal Fisika FLUX Edisi Februari 2018
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v15i1.4480

Abstract

ABSTRACT− The manual for practicum that has been used for the teaching and learning activities has not been maximal in training the science process skills and student character in conducting an investigation. Therefore, research and development on the basic physics lab manual I based on 5M to train the science and character process skills of Wasaka was conducted. The purpose of this study is to describe the feasibility of 5M Basic Physics practice manual for training the science process skills and Wasaka character in terms of the validity aspects. This research is a research and development using a modified 4D model. The instrument used in this study was in the form of validation sheets of the basic Physics I Basic Physics manual 5 M. Based on the results of data analysis obtained that the instructions of practicum basic physics I based on 5 M train the science process skills and the characters of Wasaka categorized as very valid.
ESTIMASI SUMBERDAYA BATUBARA BERDASARKAN DATA WELL LOGGING DENGAN METODE CROSS SECTION DI PT. TELEN ORBIT PRIMA DESA BUHUT KAB. KAPUAS KALIMANTAN TENGAH Siregar, Simon Sadok; Sota, Ibrahim; Erihartanti, Erihartanti
Jurnal Fisika FLUX Vol 12, No 2 (2015): Jurnal Fisika FLUX edisi Agustus 2015
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v12i2.2612

Abstract

ABSTRAK. Batubara merupakan solusi bagi kebutuhan sehari–hari karena harganya yang murah terutama bagi negara-negara dengan harga minyak yang terus naik, maka batubara dapat menjadi sumber energi primer. Penelitian ini dilakukan di PT.Telen Orbit Prima Desa Buhut Kapuas Kalimantan Tengah. Tujuan dari penelitian adalah untuk menentukan lapisan batubara di bawah permukaan bumi berdasarkan data well logging, menentukan karakteristik sebaran batubara di bawah permukaan dengan menggunakan metode cross section, dan melakukan interpretasi sebaran lapisan batubara untuk menentukan sumberdaya batubara. Lubang bor yang terbagi dalam 10 cross section akan dikorelasikan untuk mengetahui pola sebaran batubara dari ketebalan dan karakteristik pada seam batubara. Setiap lubang bor akan memberikan bentuk kurva log yang berbeda sesuai dengan kondisi masing–masing. Semua kurva log gamma ray yang ada kemudian diinterpretasikan untuk memberikan informasi mengenai batasan tiap lapisan litologi. Berdasarkan kurva log gamma ray, lapisan batubara memiliki ketebalan 0,5–8,2 meter, dari kedalaman 4,2–145 meter dengan elevasi yang berkisar dari 49,439–85,236 meter dengan jumlah sumberdaya 8.810.124 m3.Kata Kunci: Batubara, kapuas, well logging, cross section.

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