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All Journal INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES Bumi Lestari JSME MIPA UNIMA SOSCIED International Journal of Information Techonology and Education (IJITE) Charm Sains : Jurnal Pendidikan Fisika Jurnal FisTa : Fisika dan Terapannya Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa
Rolles Nixon Palilingan
Fakultas Metematika Dan Pengetahuan Alam Universitas Negeri Manado
Agriculture, Biological Sciences & Forestry Humanities Astronomy Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Social Sciences Other

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Analisis Karakteristik Fluida dan Estimasi Temperatur Reservoir di Desa Karumenga Kecamatan Langowan Utara Ronaldo Rukait; Rolles Nixon Palilingan; Jefferson 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.v3i2.208

Abstract

Indonesia is a country with great geothermal potential because it is located at the meeting point of three large plates, and North Sulawesi is right in the ring of fire area, so it has large reserves of geothermal energy. The research area located in Karumenga Village, North Langowan District, Minahasa Regency, North Sulawesi Province was chosen as the research location because in that area there are surface manifestations in the form of hot springs which are estimated to come from a geothermal system. The purpose of this study was to determine the fluid characteristics and reservoir temperature estimation at the research site using geochemical methods andanalysis was carried out using the Na-K-Mg geo-indicator and the Na-K Giggenbach geothermometer. After plotting laboratory chemistry data on Giggenbach's Na-K-Mg ternary diagram, it shows that the fluid characteristics of the hot springs at the research site are partial equilibrium water where the fluid has partially changed so that it is not completely in a state of equilibrium. and based on calculations using a Na-K geothermometer, it was found that the estimated temperature of the hot spring reservoir in Karumenga Village, North Langowan District is 209.638 oC and is included in the medium enthalpy system.
Pengaruh Perubahan Temperatur Lingkungan terhadap Kinerja dan Efisiensi Turbin pada Pembangkit Listrik Tenaga Panas Bumi (PLTP) Unit 2 Lahendong Prisilia Mariono; Rolles Nixon Palilingan; Armstrong F. Sompotan
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.v3i2.214

Abstract

The Lahendong Geothermal Power Plant (PLTP) is the largest power plant in North Sulawesi. Turbine is one of the important components in a power plan, so performance and efficiency must be considered. Environmental temperatures that change on a daily basis can potentially affect turbine performance and efficiency. Therefore, it is necessary to analyze the turbine to determine whether the ambient temperature can affect the performance and efficiency of the turbine. The results of the study for 14 days at 10.00 and 22.00 showed differences in the value of turbine performance and efficiency. The turbine performance value is greater during the day than at night. Turbine efficiency is affected by the ambient temperature, when the ambient temperature increases there is a decrease in efficiency and when the temperature decreases there is an increase in turbine efficiency
Perbandingan Efisiensi Cooling Tower Unit 2 PLTP Lahendong Sebelum dan Sesudah Overhaul Fingki Astrika Kulo; Rolles Nixon Palilingan; Cyrke A. N. Bujung
Jurnal FisTa : Fisika dan Terapannya Vol 4 No 1 (2023): 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.v4i1.239

Abstract

Geothermal Power Plant (PLTP) is a power plant that utilizes the heat generated by the bowels of the earth to produce electricity. efficiency is defined as the ratio between output and input in a process. Efficiency is one of the important equations in thermodynamics to determine how well the energy conversion or transfer process occurs. The research location of PLTP Lahendong unit 2 is located in Tondangow Village, South Tomohon District. This study aims to determine the comparison of the efficiency of cooling tower unit 2 before and after overhaul by processing data using the Ms. software application. Based on the results of the analysis, the efficiency value of the cooling tower of PLTP Lahendong Unit 2 before overhaul has an average value of 59% and the average value of cooling tower efficiency after overhaul is 63%. The magnitude of the efficiency comparison from the overhaul results in the average value of cooling tower efficiency increasing by 4%.
Analisis Karakteristik Tipe Fluida Mata Air Panas Di Hutan Pinus Lahendong Dengan Menggunakan Spektrofotometri Jouhari Wote; Rolles Nixon Palilingan; Jeane Rende; Jeilen G. N. Nusa
Jurnal FisTa : Fisika dan Terapannya Vol 4 No 1 (2023): 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.v4i1.240

Abstract

Pine Forest is one of the tourist attractions in Lahendong Village, which has geothermal manifestations in the form of hot springs, which shows that the area has geothermal potential. The purpose of this study was to determine the type of fluid manifested by hot springs in the Pine Forest using geochemical methods. The results of this study indicate that the temperature at the manifestation is 40°C while the degree of acidity of the pH of hot water has a value of 4 which indicates the acidity level of hot water is acidic. The type of fluid that exists in the manifestation area of hot water in the Pine Forest is the type of fluid sulphate water and sulfate water is a fluid that is formed at shallow depths and is formed as a result of the condensation process of geothermal gas towards near the surface. This is because the results of chemical analysis show that the element SO4 is the most dominant element and contains SO4 gas. Hot water that has a sulfate type is water that is formed at shallow depths and is formed as a result of the process of condensing geothermal gas towards near the surface. The geothermal gas with gas content (water and carbon) is basically dissolved in the fluid content which is located in the deep zone but separated from the chloride water. Sulphate water is usually at the boundary and not far from the main upflow zone.
INTERAKSI DEMOKRATIS LINTAS JENJANG MAHASISWA MELALUI PEMBELAJARAN TEMATIK-EKSPLORATIF-DEMOKRATIK DALAM BELAJAR FISIKA DI AIR TERJUN TUMIMPERAS Mulyono, Maulana; Palilingan, Rolles Nixon; Tumimomor, Farly Reynol; Lahope, Kenny Setiawan
SOSCIED Vol 7 No 1 (2024): SOSCIED - Juli 2024
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/jsoscied.v7i1.761

Abstract

The study is motivated by the importance of paying attention to democratic interaction among students in order to prepare them with the 21st-century competencies they need to possess. This research aims to understand the democratic interactions across different levels of students through Thematic-Explorative-Democratic Learning in physics at Tumimperas Waterfall. The research method used is descriptive qualitative, with the subjects of the study being two groups of students from the Physics Department at Manado State University. Data were collected through observation and peer assessment based on eight indicators of democratic interaction. Data were analyzed through data collecting, reduction, display, and classification. The results showed that students from various levels were able to interact democratically with scores ranging from good to very good. This democratic interaction aids in the development of critical thinking skills, collaboration, effective communication, and social responsibility. Thus, Thematic-Explorative-Democratic Learning at Tumimperas Waterfall can be considered an effective learning activity in developing 21st-century competencies in students
ANALISIS PARAMETER KEGEMPAAN a-VALUE DAN b-VALUE DI PROVINSI SULAWESI UTARA PERIODE 2019-2023 Sangi, Monika Siska; Palilingan, Rolles N; Sompotan, Armstrong F.; Manado, Stasiun Geofisika
SOSCIED Vol 7 No 2 (2024): SOSCIED - November 2024
Publisher : LPPM Politeknik Saint Paul Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32531/jsoscied.v7i2.858

Abstract

Indonesia is an area that is prone to natural disasters, one of which is earthquakes. Several strong earthquakes have occurred in North Sulawesi, causing extensive structural damage. This study aims to determine the seismicity parameter values a-value and b-value or to determine the level of fragility and seismicity in North Sulawesi. The earthquake data used is secondary data for the period 2019-2023 obtained from the Manado Geophysical Station, BMKG, North Sulawesi. The data obtained includes the date, time of occurrence, latitude, longitude, magnitude and depth of the earthquake. This study uses the Guttenberg-Richter method which is processed using Zmap software. From the distribution of earthquake data, it is known that a major earthquake occurred in 2019 with a magnitude of 7.1. The results of this study show that in 2019 it had a high a-value, namely 8.13. This shows that in 2019 in the North Sulawesi area there were relatively more earthquakes. The b-value results in this study show that in 2022 it has a high b-value, which is 1.32. This is influenced by elastic rocks that experience stress so that there is a change in shape or deformation called rock fragility. Seismicity vulnerability in the North Sulawesi region for the period 2019-2023 ranges from 6.16 to 8.13 with a rock fragility level range from 0.91 to 1.32
ANALISIS TIPE FLUIDA MANIFESTASI PANAS BUMI DI DESA KALEOSAN KABUPATEN MINAHASA UTARA Wantalangi, Windy; Palilingan, Rolles Nixon; Polii, Jeferson
Charm Sains: Jurnal Pendidikan Fisika Vol 1 No 3 (2020): OKTOBER
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 (636.062 KB) | DOI: 10.53682/charmsains.v1i3.52

Abstract

Geothermal field exploration and development activities are carried out in an effort to find geothermal resources, prove the existence of the resources and produce and utilize their fluids. Geothermal is a natural resource in the form of hot water or steam that forms in the earth's reservoirs through subsurface water heating by hot rocks. This study aims to determine the type of fluid and reservoir in Kaleosan Village, North Minahasa Regency. Areas that have geothermal potential are marked by the discovery of several geothermal manifestations in the form of hot springs. By using the ternary diagram plot method in the Kaleosan Village area of North Minahasa Regency, it was found that the reservoir in the area was a water-dominated type with an HCO3 content of 204 mg / L, Cl of 479 mg / L, and SO4 of 69 mg / L or based on the percentage of each parameter. has values ranging from HCO3 27%, Cl 64%, and SO4 9% which indicates that chloride(Cl) is the dominant content in the geothermal field.
PENGARUH KOMPETENSI PROFESIONAL GURU TERHADAP MINAT BELAJAR PESERTA DIDIK PADA PELAJARAN FISIKA DI SMPN 3 TONDANO Wenda, Yes; Palilingan, Rolles Nixon; Tumimomor, Farly Reynol
Charm Sains: Jurnal Pendidikan Fisika Vol 5 No 3 (2024): OKTOBER
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 | DOI: 10.53682/charmsains.v5i3.407

Abstract

Teachers' professional competence refers to their ability to master learning materials comprehensively and in-depth, enabling them to guide students in achieving the competency standards set by the national education system. This study aims to analyze the influence of teachers' professional competence on students' interest in learning Physics at SMP Negeri 3 Tondano. Data collection was conducted using observation, questionnaire, and documentation methods. The data analysis results indicate that the coefficient of determination is 0.4773, meaning that 47.73% of students' interest in learning is influenced by teachers' professional competence. Based on regression analysis, the equation Y=93.85+1.29X was obtained. Meanwhile, the remaining 52.27% of students' interest is influenced by other factors. Therefore, it can be concluded that there is a positive relationship between teachers' professional competence and students' interest in learning Physics.
Analisis Penurunan Tekanan Fluida di Dalam Pipa Antara Hotwell Pump (HWP) dan Menara Pendingin pada Pembangkit Listrik Tenaga Panas Bumi Lahendong Unit-2 I Wayan Rikiawan; Rolles Nixon Palilingan; Alfrie Musa Rampengan
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.v3i1.164

Abstract

A geothermal power plant (PLTP) is a power plant that utilizes geothermal fluid as its primary energy source. The fluid flowing in the PLTP component undergoes a change in magnitude which is very important to know, one of which is the pressure drop. Pressure drop is an essential term that can describe the pressure drop at a point in the pipe caused by particle friction in the fluid, fluid acceleration, and flow pipe elevation. An analysis of the pressure drop in the pipe between the hot well pump (HWP) and the cooling tower was carried out using the Harriston-Freeston method, which was made on Pressure Drop Modeling using a module program and visual basic. This program study the pressure drop in the pipe from the hot well pump (HWP) to the cooling tower as outlined in the form of a graph where the pressure drop along the pipe, both between hot well pump A and hot well pump B, as well as hot well pump B and cooling towers having a significant pressure drop. In the pipeline between hot well pump A and hot well pump B, the pressure is from 3.6 bar to 3.4 bar. Likewise, the pipeline between hot well pump B and the cooling tower also experiences the same pressure drop, namely at a pressure of 3.4 bar to a pressure of 1 bar. This thing is influenced by the pipe diameter. There is a reduction in diameter and particle friction in the fluid, fluid motion acceleration, and flow pipe elevation in certain pipelines.
Interpretasi Mekanisme Erupsi Gunung Api Lokon berdasarkan Aktivitas Kegempaan Pra-Erupsi 4 – 12 September 2014 Celvin Kristian Karisoh; Rolles Nixon Palilingan; Jeferson Polii
Jurnal FisTa : Fisika dan Terapannya Vol 5 No 1 (2024): 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.v5i1.309

Abstract

Prior to the eruption of Lokon Volcano on September 13 2014 at 03.09 WITA, there were 62 volcanic earthquake events recorded by seismometers since September 4 2014. This research aims to interpret the eruption mechanism of Lokon Volcano based on seismic activity in the pre-eruption period. 04 - 12 September 2014. The distribution of source points for volcanic earthquakes, both hypocenters, can be visualized using the seismic method, namely by processing digital seimogram data using Swarm 3.1.0 software, GAD (Geiger's method with Adaptive Damping) and Origin 8. Data used, sourced from three stations, namely, Empung (EMP), Wailan (WLN), Kinilow (KIN). Lokon volcano. The hypocenter distribution of volcanic earthquakes is concentrated at a depth of 0 - 1,500 m above sea level and it was found that the aseismic area which is assumed to be a shallow magma pocket area from the Lokon volcano is at a depth of 1,500 - 3,000 m above sea level. The interpretation results show that the eruption mechanism of Lokon Volcano originates from disturbances in the volcanic system which are thought to be the result of tectonic earthquakes in the subduction zone. This causes the magma to rise upwards to supply shallow magma pockets until it reaches maximum pressure and an eruption occurs.
Co-Authors Adnyana Manuaba Alfrie Musa Rampengan Almasih Mayumi Rontos Andreas Panjaitan Arfian Ronaldo Sinurat Armstrong F. Sompotan Aswin Hermanus Mondolang Celvin Kristian Karisoh Cyrke A N Bujung Dj Tulandi Donal Mateos Ratu Donny Royke Wenas Farly Reynol Tumimomor Feliks Robo Fingki Astrika Kulo Gisella Gabriella Tangkere Henny N. Tambingon Herry Sumual I Nyoman Adi Putra I Wayan Rikiawan Iwan Sixtus Umboh J. A. Pangkahila Jeferson Polii Jeferson Polii Jeilen Gabriela Nikita Nusa Jimmy Lolowang Jouhari Wote Joulanda A. M. Rawis Kevin C. Emor Lahope, Kenny Setiawan Lihart Lumapow makaromase, frisilia frisilia Manado, Stasiun Geofisika Mulyono, Maulana Mumek, Christofel Meidy Musa Salvador Arikalang Prisilia Mariono Quido Conferti Kainde Rende, Jeane Cornelda Rigitha Petrisia Raco Risma P. Sambolayuk Ronaldo Rukait Ruth Sriana Umbase Sangi, Monika Siska Vijen Vigel Koroh Wantalangi, Windy Wenda, Yes