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All Journal Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Abdi Insani G-Tech : Jurnal Teknologi Terapan Jurnal Pengabdian Mandiri
Mickael Ruben Kaiway
Universitas Cenderawasih
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Analysis of Natural Convection Heat Transfer in Barapen Cooking in Papua Numberi, Johni Jonathan; Palamba, Pither; Giai, Agustinus; Rumar, Kristofel; Joni; Ansanay, Yane; Ranteallo, Obet T.; Siregar, Samuel P.; Kaiwai, Ruben M.; Rantepulung, Selyus; Werdani, Anastasia Sri; Griapon, Nourish; Wanane, Yohanis; Manalu, Janviter; Safanpo, Apolo; Karapa, Enos; Hartiningsih, Endang; Liga, Marthen; Wambrauw, Oscar O.; Silo, Akbar
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6562

Abstract

Barapen, a cooking tradition in various indigenous Papuan communities. To date, various social science studies have been conducted to examine social values, business economics, and political economy. While research in the aspects of applied science has yet to be conducted to study the phenomenon of heat transfer by natural convection from hot stones to food in cooking packs, this research was conducted. The purpose of this research is to study the phenomenon of heat transfer by natural convection from hot stones to food in cooking packs. In this study, a square-shaped artificial pool (260 cm x 210 cm x 50 cm) with white batah stone walls was used to cook food in a barapen. On the four walls, a type K thermocouple is inserted to measure the temperature at 3 layers, which will be the object of research. The ingredients are vegetables, sweet potatoes, and chicken meat that has been cut and stoned. As a discussion, the temperature gradient between layers occurs due to the difference in the amount of volumetric heat against time in each layer. The difference in the amount of heat in each layer is due to the difference in the density of the hot vapor trapped in each layer. Thus, it can be said that the cooking of food in Barapen occurs due to natural heat convection.
PEMBELAJARAN MATEMATIKA MENGGUNAKAN METODE GASING DI SDN INPRES SKOUW MABO Hesti Maria Loisa Msiren; Agustinus Giay; Mickael Ruben Kaiway
JURNAL PENGABDIAN MANDIRI Vol. 4 No. 1: Januari 2025 (In Press)
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jpm.v4i1.9614

Abstract

Education is means that people have to produce human resources that have a high quality and has the potential for global competitiveness. One of one of the educational contents in learning at various levels of education is mathematics. is the subject of Mathematics. . Mathematics is a subject that directs students to think logically, analytically, systematically, critically and creatively as well as the ability to solve life problems. According to (Shanty & Wijaya, 2012) The GASING method (GAmpang, aSyIk, menyenaNGkan) is a way of learning Mathematics initiated by Prof. Yohanes Surya. . Easy means that students are introduced using mathematical logic that is easy to remember. Fun means that students have a willingness to learn without coercion. And fun means that this leads to external factors where the use of props and games are used. Based on the description above, the Community Service Program is carried out to provide solutions to Calistung problems in students of SDN Inpres Skouw Mabo. The solution offered is learning by using the GASING Method, thereby making it possible for students to learn math more fun, enjoyable and active in developing thinking skills to the fullest so that it can improve student learning outcomes in mathematics in addition, subtraction and multiplication materials
Simulation Modeling of 140 MW CCGT Quality Indicators Based on DIN-VDI 4661 Standard Using Ebsilon® Professional Software Kaiway, Mickael Ruben; Giai, Agustinus; Griapon, Nourish Christin; Tosuli, Yohanis Tangke; Ranteallo, Obet Takke; Siregar, Samuel Parlindungan; Wanane, Yohanis Yulius; Pongsapan, Allo Sarira; Werdhani, Anastasia Sri; Palamba, Pither; Numberi, Johni Jonatan
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6614

Abstract

The operational efficiency of mid-capacity (140 MW) Combined Cycle Gas and Steam Power Plants (CCGT) remains underexplored concerning the DIN-VDI 4661 standard, which defines key quality metrics for energy systems. Addressing this gap is crucial for establishing standardized benchmarks to optimize performance and reduce energy losses. Existing studies mainly focus on Combined Cycle Gas Turbine (CCGT) units outside the 100–180 MW range and often do not explicitly follow DIN-VDI 4661, limiting efficiency comparisons and hindering targeted optimizations. This study simulates a 140 MW CCGT using Ebsilon® Professional software, incorporating DIN-VDI 4661 guidelines to assess eight quality indicators, including thermal efficiency, fuel utilization, and power-to-heat ratio. The model integrates gas and steam turbines, heat recovery, and auxiliary components, with input parameters validated against industry data. Energy balance analysis and sensitivity tests identified loss points. Results show a gas turbine thermal efficiency of 31.39%, steam turbine efficiency of 39.59%, and total system efficiency of 48.42%. However, significant energy losses (52% of input energy) were observed, mainly in gas turbines (87,000 kW) and steam turbines (56,000 kW). These findings highlight the need for design optimizations, such as improving heat recovery and turbine efficiency, to meet DIN-VDI 4661 benchmarks.
Analysis of Corn Cob Briquette Characteristics Using Different Adhesives in the Pyrolysis Process Mangallo, David; Pagasis, Thomas; Allo, Rombe; Kaiway, Mickael Ruben; Tambing, Enos; Rantepulung, Selyus
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6635

Abstract

Corn cobs, an abundant agricultural waste, represent a promising alternative energy source when converted into briquettes. This study aimed to characterize corn cob briquettes and determine the optimal adhesive type and concentration for enhanced performance. Charcoal was produced from corn cobs via pyrolysis in repurposed oil drums, then ground and sieved through a 60-mesh screen. The resultant charcoal was combined with either starch or sago starch adhesives at concentrations of 7.5%, 10%, 12.5%, and 15% and subsequently molded into honeycomb briquettes using a 4-inch diameter mold with 16 perforations, fabricated from galvanized iron pipes and operated with a hydraulic jack. Proximate analysis indicated moisture levels of 5.37–6.71%, ash levels of 30.64–39.16%, volatile matter levels of 20.61–23.07%, fixed carbon proportions of 32.53–42.44%, and calorific values between 2893 and 3727 kcal/kg. A Water Boiling Test conducted with 1 liter of water demonstrated that briquettes incorporating 7.5% sago starch adhesive achieved boiling within 36 minutes, indicating superior combustion efficiency. These findings confirm the potential of corn cob briquettes as a renewable energy source and underscore the critical role of adhesive formulation in optimizing biomass fuel performance.
Optimization of Hole Variations in Honeycomb Charcoal Briquettes from Corn Waste for Enhanced Combustion Efficiency Agustinus, Agustinus; Allo, Rombe; Tambing, Enos; Rantepulung, Selyus; Kaiway, Mickael Ruben
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6639

Abstract

This study investigates the viability of corn byproducts as an alternative energy source via conversion into honeycomb charcoal briquettes. Discarded corn byproducts are transformed into briquettes to mitigate fossil fuel reliance, particularly in the Arso region. This research aims to assess the energy output of briquettes with varying perforation configurations (4, 8, and 12 holes) and a diameter of 5 inches. The Water Boiling Test (WBT) method, utilizing temperature measurement tools such as a K-type thermocouple and an infrared thermometer, was utilized for performance assessment. One liter of water was heated to its boiling point during the experiment. The results indicated that the 8-hole briquette had the quickest boiling time of 25 minutes, with a fuel consumption rate of 2.8 × 10⁻³ kg/s. In comparison, the 4 and 12-hole briquettes required 35 minutes, with an average fuel usage of 2.86 g/s. The maximum combustion temperature for the 4-hole briquette was measured at 589°C, while the 12-hole briquette reached a mere 427°C. These outcomes demonstrate that the 8-hole briquette possesses superior efficiency. A decrease in hole quantity adversely affects boiling speed, while an increase in holes results in greater fuel consumption. These findings highlight the importance of optimized briquette design in improving biomass fuel efficiency.
Optimisasi rekayasa proses dan validasi parameter pengukuran di stand uji pengeringan biomassa Giai, Agustinus; Kaiway, Mickael Ruben; Joni, Joni; Agustinus , Agustinus; Siregar, Samuel; Rantepulung, Syilius; Werdhani, Anastasia Sri
G-Tech: Jurnal Teknologi Terapan Vol 9 No 2 (2025): G-Tech, Vol. 9 No. 2 April 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i2.6818

Abstract

This research is motivated by the need for the efficiency of the biomass solid fuel drying process in existing dryer installations. This study aims to optimize the insulation on the primary and secondary sides of the spiral heat exchanger and validate the electrical power on the heater register and the heat flow measured by the system. The approach used was the application of a mixture of 25 ml ISO PUR K 760 and 100 ml ISO-PUR K760 Härter (ISO-ELEKTRA Elektrochemische Fabrik GmbH) and the comparison of thermal and electrical power results calculated using temperature difference data between the inlet and outlet of the heater register without readings in a PC regulator. Experiments were conducted with constant parameters, i.e. target temperature 50°C, fan power level 7, and compressor electricity consumption 541 W. This study proves that after sealing the spiral heat exchanger, there is an increase in energy consumption efficiency. In addition, the approach based on temperature difference in calculating heat power can improve the accuracy in observing energy in the biomass drying system.
SOSIALISASI PENGUNAAN PAHAT POTONG INSERT BAGI WORKSHOP USAHA BUBUT DI KOTA JAYAPURA Ranteallo, Obet; Kaiwai, Ruben M.; Patabang, Djuarensi
Jurnal Abdi Insani Vol 12 No 7 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i7.2610

Abstract

The machining industry, particularly lathe workshops, plays a vital role in supporting the manufacturing and machinery repair sectors in Jayapura City. However, many small-scale workshops still rely on conventional cutting tools due to limited knowledge and access to modern tool technologies such as insert cutting tools. Insert tools offer several advantages, including ease of insert replacement, longer tool life, and more precise and efficient cutting results. This community service activity aims to enhance the knowledge and technical skills of lathe workshop operators in Jayapura City through outreach and training on the use of insert cutting tools. Many local workshops still use conventional tools, which have limitations in terms of efficiency and cutting quality. Therefore, this program is designed to introduce modern, economical, and practical insert tooling technology. The method used involves an educational-participatory approach through lectures, demonstrations, hands-on practice, and interactive discussions. The program encourages active participation to ensure that knowledge of insert tool usage can be effectively applied in workshop operations. The results of the program show a significant improvement in participants’ understanding, with an average post-test score increase of 35% compared to the pre-test. Participants also expressed strong interest in adopting insert tools for their production processes. During the hands-on session, they were able to correctly operate and replace the insert tools. The discussions were lively, indicating high enthusiasm for the topics presented. Overall, this activity has had a positive impact on enhancing the technical capacity of small and medium-sized lathe workshops in Jayapura City.
Laboratory-Scale Production of Charcoal from Acacia Wood Werenengga, Tendinus; Joni, Joni; Rantepulung, Selyus; Kaiway, Mickael Ruben
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.8146

Abstract

This study aims to analyze the production of charcoal from acacia wood (Acacia spp.) as a sustainable energy alternative, considering the depletion of fossil fuel reserves and the abundance of acacia biomass in Indonesia. The carbonization process was conducted through slow pyrolysis for 5 hours using a 12-kg gas cylinder reactor with used oil as fuel, and 1.8 kg of acacia wood pieces (5 cm in diameter, 5 cm in length) as raw material. The results showed a charcoal yield of 38.89% (0.7 kg), which is higher than the conventional range of 25–35%. Proximate analysis, based on estimates and supporting literature, indicated a moisture content of approximately 3%, volatile matter of 18%, ash content of 4%, and fixed carbon of 75%, meeting the SNI 01-1683-1989 standard for high-quality charcoal. Stable temperature distribution during the process ensured optimal decomposition of hemicellulose, cellulose, and lignin, producing charcoal with high calorific value and low emissions. These findings confirm the potential of acacia wood as an environmentally friendly charcoal feedstock, with recommendations for further optimization of temperature in the range of 400–600 °C to enhance production efficiency and reduce reliance on unsustainable forest resources.
COMMUNITY ASSISTANCE IN CONSTRUCTING A CLEAN WATER INSTALLATION AT THE BONGGO HEALTH CENTER, ARMOPA VILLAGE, BONGGO DISTRICT, SARMI REGENCY Joni, Joni; Siregar, Samuel Parlindungan; Ranteallo, Obet Takke; Palamba, Pither; Tosuli, Yohanis Tangke; Rantepulung, Selyus; Giai, Agustinus; Werdhani, Anastasia Sri; Tambing, Enos; Kaiway, Mickael Ruben; Kati, Oktavianus; Kariongan, Yakobus
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 8 No. 4 (2024): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v8i4.2483

Abstract

Access to clean water is a fundamental necessity that underpins effective public health services and the operational efficiency of health facilities, including the Bonggo Health Center in Sarmi Regency. Recognizing the importance of reliable clean water access, a community assistance initiative was launched to establish a sustainable water installation system at the Bonggo Health Center. This initiative is crucial to enhancing the health center’s ability to deliver quality healthcare services, as safe, clean water is essential for various healthcare functions, from sanitation to patient care. The primary aim of the assistance program is to equip the Bonggo Health Center with a dependable source of clean water, ensuring it meets health and safety standards for use in medical services. To achieve this goal, the implementation method was carefully structured, involving several sequential steps. First, the service team conducted a comprehensive location survey to assess the water requirements and potential challenges. Following this, the team engaged in in-depth problem discussions, planning sessions, and preparatory work to lay the groundwork for the installation. The actual construction of the water installation was then carried out, followed by rigorous testing and evaluation to ensure functionality and quality. Through close collaboration with the Armopa Village community, the service team successfully completed a fully operational clean water installation. This unit now provides a reliable supply of high-quality water for the Bonggo Health Center, significantly improving the center’s capacity to serve the healthcare needs of the surrounding community. This installation not only meets immediate needs but also sets a foundation for sustained health service enhancements and community well-being in the region.
APPLICATION OF MECHANICAL CORN SHELLING MACHINE TO THE CORN FARMING COMMUNITY OF BIBIOSI VILLAGE ARSO SWAKARSA DISTRICT KEEROM DISTRICT Pagasis, Thomas; Mangallo, David; Allo, Rombe; Tambing, Enos; Rantepulung, Selyus; Kaiway, Mickael Ruben
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 9 No. 1 (2025): MARET
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v9i1.2605

Abstract

The application of corn shelling machine technology aims to increase the productivity of partner farmers in Bibiosi Village, Keerom Regency so that they can improve their welfare. The target to be achieved is the adoption of corn shelling technology which works mechanically by the target community, increasing corn shelling production and community income, as well as establishing intensive cooperation between Cenderawasih University as the producer and developer of appropriate technology, the community using the technology and the local government. The method used to achieve this goal is by providing a technological touch to the community in processing corn harvests so that corn production can be optimized through the mechanical shelling process of corn. Application of appropriate technology in the form of a corn shelling machine using a petrol motor with 5.5 HP power. Based on the performance test results, this corn shelling machine has a production capacity of 1000 kg/hour. This is expected to help corn farmers to produce shelled corn more quickly and save energy. The application of appropriate technology will have an impact on the welfare of the community in the community partnership program. Apart from that, the application of science and technology is a solution for farmer groups in building insight and mindset in society.
Co-Authors Agustinus , Agustinus Agustinus Agustinus Agustinus Giai AKBAR SILO Allo Sarira Pongsapan David Mangallo Endang Hartiningsih Enos Tambing Griapon, Nourish Griapon, Nourish Christin Hesti Maria Loisa Msiren Johni J Numberi Joni Joni Karapa, Enos Manalu, Janviter Marthen Liga Oktavianus Kati Patabang, Djuarensi Pither Palamba Ranteallo, Obet Rantepulung, Syilius Rombe Allo Rumar, Kristofel Safanpo, Apolo Samuel Parlindungan Siregar Selyus Rantepulung Siregar, Samuel Thomas Pagasis Tosuli, Yohanis Tangke Wambrauw, Oscar O. Wanane, Yohanis Wanane, Yohanis Yulius Werdani, Anastasia Sri Werdhani, Anastasia Sri Werenengga, Tendinus Yakobus Kariongan Yane Oktovina Ansanay