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All Journal Bionatura IPTEK The Journal for Technology and Science Journal of Mathematical and Fundamental Sciences JPSE (Journal of Physical Science and Engineering) SOSCIED Indonesian Journal of Electrical Engineering and Computer Science Abdimas : Jurnal Pengabdian Kepada Masyarakat Charm Sains : Jurnal Pendidikan Fisika Jurnal FisTa : Fisika dan Terapannya EJHEAA International Journal of Science and Mathematics Education Jurnal Pendidikan Kimia, Fisika dan Biologi Konstanta : Jurnal Matematika dan Ilmu Pengelatuan Alam Journal of Higher Education and Academic Advancement
Heindrich Taunaumang
Universitas Negeri Manado
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Pengaruh Penggunaan Model Pembelajaran Inkuiri Terbimbing Terhadap Hasil Belajar Fisika Materi Gerak Lurus Pada Siswa Kelas VII SMP Kristen Tomohon Agustinus Elath; Heindrich Taunaumang; Patricia Mardiana Silangen
Charm Sains: Jurnal Pendidikan Fisika Vol 3 No 1 (2022): FEBRUARI
Publisher : Program Studi Pendidikan Fisika Jurusan Fisika Fakultas Matematika, Ilmu Pengetahuan Alam, dan Kebumian (FMIPAK), Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (284.272 KB) | DOI: 10.53682/charmsains.v3i1.142

Abstract

This study aims to determine the effect of the use of the Guided Inquiry learning model on the physics learning outcomes of straight motion material in class VIII SMP Kristen Tomohon. The samples used in this study were students of class VIII-A, Tomohon Christian Middle School. This study uses an experimental method using the same subject design (treatment by subject design). The data collection instrument used test questions which were analyzed using the t-test. The results showed that the guided inquiry learning model obtained t_count > t_table, namely 4,930 > 1,684. Thus, it can be concluded that there is an effect of using the Guided Inquiry learning model on the process and learning outcomes of students of class VIII physics in straight motion material at Tomohon Christian Middle School.
ANALISIS STRUKTUR FISIS DAN SIFAT OPTIK FILM TIPIS SUDAN III HASIL DEPOSISI EVAPORASI VAKUM Prisilia Wakary; Heinrich Taunaumang; Jimmy Lolowang
Jurnal FisTa : Fisika dan Terapannya Vol 1 No 2 (2020): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v1i2.90

Abstract

Thin films based on azobenzene molecular are known as responsive molecular, which are easy to deform when exposed to light or interact whit other molecular. Fabrication of Sudan III thin film for sensor technology application has been carried out bay using PVD method. The physical structure crystallinity of thin film have been investigate by using XRD method. In this paper would be describe the variable distance between the crystal plane, the crystal size, and the crystal index at sudan III in the form of powder and thin film from vacuum evaporation. The optical properties of thin film Sudan III will also be discussed.
PROFIL VERTIKAL HANTARAN PANAS BAWAH PERMUKAAN MANIFESTASI PANAS BUMI DI BAGIAN BARAT GUNUNG TAMPUSU Natalia Pandoh; Heinrich Taunaumang; Jeilen Gabriela Nusa
Jurnal FisTa : Fisika dan Terapannya Vol 2 No 1 (2021): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v2i1.98

Abstract

Indonesia is an area that has enormous geothermal potential. In North Sulawesi itself, there are three geothermal locations, including Lahendong, which is the first geothermal field in Eastern Indonesia to produce electricity, then other locations, namely in Tompaso and Kotamobagu. Strategically, Tampusu Mount is located between Tondano Lake and Linow Lake where the two lakes are the largest types of manifestation in North Sulawesi. This manifestation occurs due to the conduction of heat transfer from subsurface rock to surface rock. This study aims to analyze the distribution of temperature at shallow depths to predict the vertical profile of the thermal conductivity of geothermal manifestations in the western part of Tampusu Mount. By using surfur 11 software, it was found that the subsurface temperature distribution at shallow depths was dominated by high temperatures ranging from 30ºC - 43ºC. The lowest temperature ranges from 20ºC - 23ºC and the vertical profile of subsurface heat conduction in the western part of Tampusu Mount is not evenly distributed in each soil layer, because the temperature data obtained varies.
ANALISIS TERJADINYA SCALING SILICA PADA CONDENSER DAN COOLING TOWER Priskilla Wulandari Polimpung; Heinrich Taunaumang; Jeferson Polii
Jurnal FisTa : Fisika dan Terapannya Vol 2 No 1 (2021): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v2i1.104

Abstract

Silica scaling in geothermal production fields can clog the fluid flow rate. Research has been conducted to determine the occurrence of scaling sillica in brine. The method used in processing this data is by using an application in the form of steam tables and Microsoft Excel. Therefore, a study of the potential for silica scaling in activities that utilize geothermal energy is needed. In this study, a study on the potential for silica scaling in a geothermal power plant in the Lahendong area unit 2 cluster 13.The purpose of this study was to estimate the possibility of scaling silica in the condenser and cooling tower in the geothermal field. After the research was carried out, it could be concluded that the results of the calculation of scaling sillica in the Lahendong geothermal field were the condenser at 11.2 ppm while cooling tower was 72.5 ppm. When silica concentration in this field is compared with the calculated silica concentration, the silica will not settle in the condenser or the cooling tower.This is because the silica concentration in the field is smaller than the calculated silica concentration, so there is no silica scaling at the inlet or outlet of condenser and cooling tower.
ANALISIS EKSERGI DAN OPTIMASI PEMBANGKIT LISTRIK TENAGA PANAS BUMI LAHENDONG UNIT-2 Armando Ariakta Aloanis; Heindrich Taunaumang; Alfrie Rampengan; Jeferson Polii
Jurnal FisTa : Fisika dan Terapannya Vol 2 No 2 (2021): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v2i2.131

Abstract

Geothermal development is carried out by increasing the efficiency of existing generators. In this study, geothermal development at the Lahendong Unit-2 geothermal power plant is carried out by conducting exergy analysis and optimizing geothermal plant efficiency using a genetic algorithm by adjusting the pressure on the separator. Exergy calculations and optimization of genetic algorithms, using the Python programming language with the help of libraries such as PyXSteam, Pandas, Numpy, matplotlib, random, and time. Exergy flow and efficiency are calculated on the components of the separator, turbine, condenser, cooling tower, and the entire plant. The amount of exergy that enters the generator from geothermal fluids is 28882.73 kW. The amount of exergy that comes in produces an output power of 13,000 kW with an overall efficiency of the generator is 45.010%, and the amount of exergy from brine is 1794.11 kW. Optimization using the genetic algorithm method produces the most optimal output power value of 13035,480445 kW at a separator pressure of 10.4025 bar. The increased quality of the steam generates this increase in power so that the mass flow rate of the steam that rotates the turbine becomes more than before.
ANALISA TIPE FLUIDA MANIFESTASI PANASBUMI MENGGUNAKAN DIAGRAM TRILINIER CL-SO4-HCO3 DI DESA BAKAN KECAMATAN LOLAYAN KABUPATEN BOLAANG MONGONDOW Aslam Rais; Heindrich Taunaumang; Jeferson Polii
Jurnal FisTa : Fisika dan Terapannya Vol 2 No 2 (2021): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v2i2.132

Abstract

Indonesia is an area that could potentially be the source of the power of nature, including the source of power geothermal (geothermal). This is because Indonesia is a country located in the area of the world's ring of fire, where the tectonic plate stretches from the tip of the island of Sumatra, Java, to the Bandang Maluku area. Wrong one area in North Sulawesi, which has manifestations of geothermal, namely the village Bakan, the District Lolayan, District Bolaang Mongondow. In areas that are manifestations of geothermal eyes water hot. With the presence of one of the manifestations that the area that there is a potential for geothermal. Methods have used that method of geochemical and retrieval of data physical and samples of water hot in the field and then do the analysis laboratory on samples that. Based on the results of the research content of ions Cl, SO4 and HCO3 in a sample of water in the village Bakan which has been analyzed and the results of the calculation of the percentage of each ion that has been plotted into the diagram ternary showed that samples of water in the village Bakan is water sulfate (SO4), with the temperature manifestations 78 and the air temperature of 26 and pH showed value between 5 and 6 which means that the nature of the manifestations that are acidic due to having a pH less than 7.
Analisis Bahaya Gempa Bumi Menggunakan Metode Probabilistic Seismic Hazard Analysis Di Wilayah Likupang, Minahasa Utara Rini Indri; Heindrich Taunaumang; Farly Reynol Tumimomor
Jurnal FisTa : Fisika dan Terapannya Vol 3 No 1 (2022): APRIL
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v3i1.168

Abstract

The Probabilistic Seismic Hazard Analysis (PSHA) method is a method used in seismic hazard analysis based on the definition of a probability distribution function that takes into account and combines the uncertainties of the earthquake event scale, location, and frequency of occurrence, to obtain a comprehensive picture of the hazard level or a location that reviewed. The Likupang area, North Minahasa is a location that is prone to earthquake disasters, for this reason, early mitigation is needed, one of which is mapping the potential for disaster hazards. Maximum ground vibration acceleration (PGA) is the greatest value of ground acceleration at a place caused by earthquake vibrations in a certain period of time. In this study, the results of the PSHA calculation in the North Minahasa Likupang area were obtained, the largest PGA value was 1.4g–1.8g, tilapia SA T= 0.2 seconds was 1.7g-2.1 and SA T=1 value, 0 seconds is 0.5g – 0.6g. Based on these results, the danger of light to severe damage can be caused.
Analisis Karakteristik Fluida dan Estimasi Temperatur Reservoir menggunakan Geoindikator Na-K-Mg di Kecamatan Tompaso Baru Tesalonika Lontoh; Heindrich Taunaumang; Jeferson Polii
Jurnal FisTa : Fisika dan Terapannya Vol 3 No 2 (2022): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v3i2.210

Abstract

Geothermal is a source of thermal energy contained in hot water, rock, water vapor, and other gases and minerals that are genetically inseparable from a geothermal system. This energy comes from heating water and rocks and other elements contained in geothermal energy stored in the earth's crust. Energy needs are increasing, various efforts are made to take advantage of the potential that exists in Indonesia, one of which is geothermal potential. Geothermal energy is a renewable natural resource with high potential and is one of the preferred energy sources in energy diversity. The existence of geothermal sources, marked by the presence of geothermal manifestations emerging to the surface, one of which is in Tompaso Baru District. The fluid samples were then tested in the laboratory, then data processing was carried out using the fluid geochemical method in the form of calculating the percentage of the Na-K-Mg geoindicator to determine the type of fluid and a geothermometer to determine the estimated reservoir temperature. By using the calculation of the percentage of chemical content from the laboratory test results Na/1000+K/100+√Mg and plotting a ternary diagram of a partial equilibrium waters type of geothermal fluid, namely a condition where the fluid has partially changed so that it is not fully in equilibrium, and calculations using a silica geothermometer the estimated reservoir temperature is 191.1078ºC, which is the type of reservoir with medium temperature.
Studi tentang Karakteristik Light Dependent Resistor Marcelita Tjuana; Heindrich Taunaumang; Jimmy Lolowang
Jurnal FisTa : Fisika dan Terapannya Vol 4 No 2 (2023): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v4i2.284

Abstract

The purpose of the study was to analyze the relationship between the light intensity received by the LDR and the resistance it produces. In this study, the LDR components are arranged in series and parallel. Then the measurements are placed in 4 different light condition with the light source used, namely 5 watt lamps, 10 watt lamps, 15 watt lamps and conditions before the lights are turned on (dark). The tool used to measure the intensity of light is a digital lux meter and to measure the resistance value using a digital multimeter. The results of this study indicate that the greater the light intensity received by the LDR, the smaller the resulting resistance is 2 KΩ for the series circuit and 55 Ω for the parallel circuit at a light intensity of 7242 lux. Conversely, the smaller the intensity of the light received by the LDR, the greater the resistance it produces, namely when in dark conditions the resistance produced by the LDR in series is 994 KΩ and in the parallel LDR the resulting resistance reaches 1194 Ω. The resistance of a series LDR circuit is greater than the resistance of a parallel LDR circuit for each intensity of light it receives.
Pembuatan Karbon Aktif Bambu dengan Metode Termolisis dan Karakterisasinya Stefan Sindim; Heindrich Taunaumang; Alfrie Musa Rampengan
Jurnal FisTa : Fisika dan Terapannya Vol 4 No 2 (2023): OKTOBER
Publisher : Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53682/fista.v4i2.285

Abstract

This study aims to determine the manufacture of bamboo activated carbon by the thermolysis method and to know how to characterize bamboo activated carbon after being activated by the thermolysis method and using an activating agent. The method used in this research is the experimental method. Bamboo is carbonized at 350°-400°C and immersed in a 20% phosphoric acid solution. Activated carbon was characterized by Fourier Transform InfraRed spectroscopy (FTIR), X-Ray Diffraction (XRD), and Scanning Electron Microsope-Energy Dispersive X-ray spectrometric (SEM-EDX). Characterization with XRD showed that the 2θ angle of the bamboo carbon after activation was 24°, 37.5°, and 44°. Characterization with FTIR showed that the functional groups detected on activated carbon were O-H, C-H alkane groups, C=O, C=C, C-C , and C-O. Characterization by SEM showed that the activated carbon from the shoots had a neat looking surface. EDX analysis showed that the elemental content of carbon electrodes colored by carbon elements was 78.38%.
Co-Authors A.M. Rampengan Agustinus Elath Alfrie Musa Rampengan Alfrits Komansilan Armando Ariakta Aloanis Armstrong F. Sompotan Arsel Bungkuran Aslam Rais Asterlita Tirsa Raha Aswin Hermanus Mondolang Christina Sorongan Cosmas Poluakan Cyrke A N Bujung Dolok Saribu, Chicha R. A Donny Royke Wenas Dumais, Raindy Xaverius F. Tumimomor Farly Reynol Tumimomor Ferdy Dungus Ferry Johnny Sangari Herman - Herman Herman Hiunsee, Alni Irvanda Posumah Ishak Pawarangan Iwan Sixtus Umboh Jeane V. Tumangkeng Jeferson Polii Jeilen Gabriela Nikita Nusa Jimmy Lolowang Kalele, Elshadai Christiani Kamaruddin Kamaruddin Kezia Kawulur Khariezmathika Ester Kapantow Kimbal, Ariel Javi M. O. Tjia Marcelita Tjuana Mariana Rengkuan Messy Shania Pongajow Muhammad Zulkifli Natalia Pandoh Nicky Kurnia Tumalun Olivia Kombongkila P E Golioth Pamela Sifra Lumingas parabelem tinno dolf rompas Patricia Mardiana Silangen Pondaag, Jinno Posumah, Irvanda Prisilia Wakary Priskilla Wulandari Polimpung Rende, Jeane Cornelda Rini Indri Sesar Prabu Dwi Sriyanto Sesar Prabu Dwi Sriyanto Sinta Dewi Tulende Siregar, R.E. - Sisca Cicilya Sabonbali Stefan Sindim Stevi Anjelo Langitan Talubun, Anthoni Tasik, Vonni Tesalonika Lontoh Theresje Mandang Tineke Makahinda Titdoy, Afni Tjia, M.O. - Uada, Putri Angel Vistarani Arini Tiwow Wenas, D.R -