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PROGRAM STUDI FISIKA FAKULTAS MATEMATIKA ILMU PENGETAHUAN ALAM DAN KEBUMIAN UNIVERSITAS NEGERI MANADO Jl. Kampus Unima, Kel. Koya, Kec. Tondano Selatan, Minahasa, Indonesia
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INDONESIA
Jurnal FisTa : Fisika dan Terapannya
Published by Universitas Negeri Manado
ISSN : -     EISSN : 27471691     DOI : https://doi.org/10.53682/fista.xxxx.xxx
Core Subject : Science, Engineering,
Astronomy Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics
Jurnal FisTa : Fisika dan Terapannya merupakan salah satu Jurnal Nasional dalam bidang Ilmu Fisika dan Terapannya di bawah pengelolaan Program Studi Fisika Fakultas Matematika Ilmu Pengetahuan Alam dan Kebumian, Universitas Negeri Manado. Jurnal FisTa : Fisika dan Terapannya memiliki nomor eISSN 2747-1691. Jurnal FisTa : Fisika dan Terapannya diterbitkan pertama kali pada tahun 2020. Hal ini dilakukan, untuk merespon para mahasiswa, dosen dan juga peneliti di bidang Fisika dan Terapannya untuk dapat membagi hasil penelitiannya dalam bentuk artikel ilmiah. Ruang lingkup artikel dalam Jurnal FISTA Fisika dan Terapannya adalah Ilmu Fisika dan Terapannya, diantaranya terkait dengan topik : Fisika Material; Fisika Teori; Fisika Material Lunak; Fisika Komputasi; Fisika Instrumentasi; Astronomi; Fisika Koloid; Geofisika; Elektronika: Fisika terapan terkait lainnya.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 10 Documents
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Search results for , issue "Vol 2 No 1 (2021): APRIL" : 10 Documents clear
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.
HILANG PANAS ALAMIAH DAERAH MANIFESTASI PANAS BUMI UNTUK ESTIMASI POTENSI SUMBER DAYA SPEKULATIF ENERGI PANAS BUMI DISEKITAR GUNUNG TAMPUSU Almasih Mayumi Rontos; Rolles Nixon Palilingan; Cyrke A. N. Bujung
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.v2i1.99

Abstract

Geothermal energy is one of the new and renewable alternative energy sources that are environmentally friendly. Indonesia is one of the countries in the world that has large geothermal reserves. The appearance of a manifestation that appears to the surface indicates the potential for geothermal energy in an area. This study aims to calculate the amount of natural heat loss to determine the potential of speculative resources. Research using natural heat loss calculations is the initial stage in starting geothermal exploration. In the area around Mount Tampusu, Remboken District, Minahasa Regency, North Sulawesi Province, there are surface manifestations that can be seen from the heat loss and speculative resources. This research was conducted by taking data in the field and processing the data using the natural heat loss equation in each manifestation. Based on the research results, the total natural heat loss in manifestations around Mount Tampusu is 17,16 mW and the speculative resources are 171,6 mW.
ANALISIS TEMPORAL DISTRIBUSI TEMPERATUR PERMUKAAN MANIFESTASI PANAS BUMI MENGGUNAKAN CITRA LANDSAT 8 UNTUK MENGETAHUI ARAH LATERAL PANAS DI SEKITAR GUNUNG TAMPUSU Brigitta Maria Rumondor; Donny Royke Wenas; Anneke T. Rondonuwu
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.v2i1.100

Abstract

Geothermal energy is one of the alternative energy sources that are environmentally friendly and can help meet the world's energy needs. This requires optimization of geothermal potential, one of which is the area around Mount Tampusu. This study aims to map the distribution of surface temperature around Mount Tampusu using Landsat 8 TIRS imagery and to know the difference in temperature distribution in the area around Mount Tampusu in the time period for taking data from the Landsat 8 TIRS image sensor, to determine the lateral direction of the Heat in the area. The Remote Sensing Method is an effective method used in Geothermal exploration activities through the Ilwis software. The temperature distribution is obtained from resampling the thermal band image of the Landsat 8 satellite (limiting the study area) so that the data is ready to be processed without geometric or radiometric correction processes then converted to get the surface temperature. Based on this research, it can be concluded that the temperature distribution in the area around Mount Tampusu using Landsat 8 TIRS imagery ranges from 15.2 ºC to 32.2 ºC. There was a significant change from 2016 to 2017. Meanwhile, in 2018 the temperature increased to 17 ºC from the previous year.
ANALISA KINERJA DEMISTER SELAMA TAHUN 2019 DI PLTP LAHENDONG Gisella Gabriella Tangkere; Rolles Nixon Palilingan; 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.v2i1.101

Abstract

Geothermal is now widely used by several developed countries, there are very many roles of geothermal energy sources, it is necessary to use one of them by utilizing geothermal heat energy itself into electrical energy. In chemical process industry there are a number of processes where a gas and a liquid come into contact with each other and whenever this happens, the gas will introduce a number of liquid particles. This liquid phase carried over to the gas phase can cause a number of problems such as equipment breakdown, process inefficiency etc, and need to be eliminated. Equipment used to remove entrainment is known as a Demister. This study aims to calculate Demister Efficiency throughout 2019 at PLTP Lahendong. Research conducted is to collect data at the Lahendong Geothermal Power Plant Unit-2 and this research uses data processing methods that use applications, namely steam tables and Microsoft Excel. Demister's performance in 2019 for 3 months got 88.90% J results which were influenced by heat loss, pressure and inner diameter, from results obtained after processing it can be concluded that the higher the heat loss value, better the efficiency value, Explains that performance Demister arguably had no problems in a year.
STUDI EFEK PERMUKAAN SUBSTRAT ITO PADA PROSES DEPOSISI FILM DR-19 DENGAN METODE E-PVD Haryati Lalo; Satyano Mongan; Patricia Silangen
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.v2i1.102

Abstract

Molecules and polymers with a conjugated chain structure such as the organic molecule Disperse Red-19 (DR-19) have delocalized π-electrons along the conjugation chain of the molecule and are easily moved by external electric fields, so that these materials have a large electrical polarizability and exhibit an optical response. which is quite high and very fast. This research was conducted with the aim of studying the surface effect of the Indium Tin Oxide (ITO) substrate in regulating the molecular orientation of the DR-19 film and the effect of the external electric field (E =1.9 MV/m) in regulating the molecular orientation of the DR-19 film. The fabrication method used is the E-PVD method, namely the PVD (Physical Vapor Deposition) method assisted by an external electric field. ) and the electric field E = 1.9 MV/m. The films were analyzed and characterized using X-ray diffraction spectroscopy (XRD). The XRD characterization results showed that with the help of an external electric field of 1.9 MV / m, the resulting film showed an increased structural order, marked by the formation of a crystalline structure in the DR-19 film. The E-PVD method (PVD method assisted by an external electric field E) is very effective in arranging DR-19 molecules so that the molecules can be arranged in an orderly parallel perpendicular to the surface of the ITO substrate.
ANALISIS PENGARUH SUHU DAN TEKANAN UDARA TERHADAP DAYA ANGKAT PESAWAT DI BANDARA SAM RATULANGI MANADO PERIODE 2010-2019 MENGUNAKAN METODE KORELASI PEARSON PRODUCT MOMENT Kevin C. Emor; Rolles Nixon Palilingan; Donny Royke Wenas
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.v2i1.103

Abstract

Temperature and air pressure are two elements of meteorology that are interrelated because air pressure together with temperature will determine the air density and will then determine the lift of an airplane. One of the disturbances that affect flight operations (lift) is temperature and air pressure. Research has been carried out, namely to determine the effect of air pressure and air temperature on flight operations (lift). Pearson Product Moment Correlation Analysis Method is a method used to determine how much the value of the relationship between temperature and air pressure on flight operations (lift) .From the results of research at Sam Ratulangi airport in Manado, it shows that the relationship between temperature and air pressure is very strong on flight operations in particular (Lift) on the airplane. By using data on F - Klim 71 in 2010 - 2019 the strongest relationship occurred in November and December with the determining coefficient values ​​of 97.29% and 99.91. Air pressure and air temperature together have a strong influence on flight operations specifically "lift". Meanwhile, air temperature tends to have a stronger influence on flight operations (lift) than air pressure.
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.
ANALISA PERBANDINGAN PRESSURE DROP METODE LOCKHART MARTINELLI, HOMOGENOUS DAN HARRISTON FREESTON DARI DEMISTER KE TURBIN PADA UNIT 2 PLPT LAHENDONG Rigitha Petrisia Raco; Rolles Nixon Palilingan; 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.v2i1.105

Abstract

The development of technology, population and inovation from day to day is increasing. This causes the world's energy needs to increase as well. This causes both developed and developing countries including Indonesia to take advantage of every alternative available energy resource, both renewable energy and non-renewable energy. One of the uses of renewable energy for national energy sufficiency is geothermal resources, Indonesia's strategic location causes Indonesia to have a lot of potential geothermal resources and because of that these geothermal resources must be processed as efficiently as possible to help meet national energy needs. One of the causes of the reduction in the efficiency of processing geothermal resources is the pressure drop that occurs from the demister to the turbine, this study aims to determine the pressure drop that occurs from the demister to the turbine at PLTP-2 Lahendong using 3 methods, namely Lockhart Martinelli, Homogenous and Harrison Freeston. . The results of the calculation of these 3 methods are then compared with real data in the field to find out which method is the most aaccurate and closest to use. Based on research, the turbine inlet pressure from the Homogenous method, Lockhart Martinelli and Harisson Freeston are 6.59bar, 7.25bar and 7.84 bar respectively and the level of accuracy compared to real data is 92%, 97% and 90%, respectively.
PENENTUAN TIPE FLUIDA DAN GUGUS FUNGSI MANIFESTASI PANAS BUMI KAWAH TUA GUNUNG API SOPUTAN Ronaldo J. Toar; Donny Royke Wenas; Theresje Mandang
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.v2i1.106

Abstract

Indonesia is a country that has the largest geothermal resources in the world which is directly proportional to the number of volcanoes. Indonesia is an archipelagic country located at three junction of active mountain plates, namely the Eurasia, Indo-Australia and Pacific plates. Where Indonesia is also located in an active ring of fire that is associated with active volcanoes in Indonesia. North Sulawesi is one of the provinces in Indonesia which has several active volcanoes, one of which is the object of research is Mount Soputan. This volcano is located in South Minahasa and Southeast Minahasa Districts, North Sulawesi Province. The method used in this research is descriptive method and analysis of geothermal fluid chemical data. Analysis of the ion content in the fluid using a SpectroDirect Photometer. As well as functional group analysis using the FTIR Spectroscopy method (Fourier Transform Infra Red), this method is an infrared spectroscopy method equipped with Fourier transform for its spectrum analysis. Geothermal manifestation fluid in the Old Crater of Mount Soputan Volcano is a bicarbonate type of fluid with an HCO3 content of 479 ppm. The high HCO3 content is thought to be associated with the increase in geothermal fluids containing gas, especially CO2, which then experiences condensation in shallow aquifers.
ANALISIS KOMPOSISI UNSUR DAN JENIS MINERAL BATUAN GUNUNGAPI SOPUTAN MENGGUNAKAN SEM-EDX DAN FTIR Yosua Walewangko; Cyrke A. N. Bujung; Jeane Cornelda Rende
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.v2i1.107

Abstract

Volcanoes are mountains that are formed as a result of eruption material accumulating around the center of an eruption or a mountain formed from a magma eruption. Volcanoes are only found in certain places, namely in the mid-ocean ridge, at the point where two plates of the Earth's crust meet, and at hot spots on the earth where magma is released, on continents and in oceans. Indonesia is a country with active volcanoes formed due to subduction zones between three tectonic plates, namely the Eurasian plate, the Indo-Australian plate and the Pacific plate. The location of the research was carried out in the Soputan Volcano Area, by taking two samples, namely two different rock types in the study area. This study aims to determine the elemental composition of the rock and rock mineral types in Soputan Volcano. Using SEM-EDX and FTIR. The results of the research on sample 1 of the EDX device were Bromine, Silica, Tungstate, Gold, Molybdenum, Calcium, Iron, Iterbium, Lutetium. And in sample 2 of the EDX tool, namely Aluminum, Silica, Iron, and Cobalt, and the results of field research that has been conducted using SEM-EDX and FTIR, it can be concluded that: The elemental composition of volcanic rock in Soputan volcano has Br, Si elements. , W, Au, Mo, Ca, Fe, Yb, Lu, Al, Co. As well as the type of rock minerals, basalt in sample 1 and sample 2 is andesite.

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