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All Journal Rekayasa Mesin International Journal of Applied Sciences and Smart Technologies Scientific Journal of Mechanical Engineering Kinematika Jurnal Berdaya Mandiri Abdimas Altruis: Jurnal Pengabdian Kepada Masyarakat Hexagon
Gilang Argya Dyaksa
Faculty Science & Technology, Sanata Dharma University
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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PENERAPAN SMART WASTE MANAJEMEN PADA BANK SAMPAH SS SIDO RESIK CEMBING TRIMULYO JETIS BANTUL David Sulistiyantoro, David Sulistiyantoro; Gerlan Haha Nusa; Gilang Argya Dyaksa; Aris Wahyu Murdiyanto; Ikbal Rizki Putra
Jurnal Berdaya Mandiri Vol. 7 No. 3 (2025): JURNAL BERDAYA MANDIRI (JBM)
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/jbm.v7i3.8650

Abstract

The background of this program lies in the escalating waste management issues in Bantul Regency, which have become increasingly urgent following the closure of the Piyungan Final Waste Processing Site (TPST). The designated partner, SS Sido Resik Waste Bank, encounters three principal challenges: (1) the absence of inorganic waste processing technologies to enhance economic value, (2) the unavailability of equipment to dry wet waste, which complicates the sorting process, and (3) the lack of a system to convert organic waste into compost fertilizer. To address these issues, the implementing team introduced three units of Appropriate Technology (AT): the Plastic Waste Shredding Machine, the Rotary Dryer, and the Organic Magobox. The implementation process was carried out through five systematic stages: socialization, training, technological application, mentoring and evaluation, and sustainability planning. All units of AT were successfully adopted and operated by the partner institution, thereby directly mitigating the identified problems. The adoption of these technologies demonstrated a measurable and positive impact on community empowerment. The Plastic Waste Shredding Machine achieved a 100% utility rate, as it introduced a shredding process that was previously unavailable. The Rotary Dryer attained a 75% utility rate, as reflected in the reduction of drying time from 60 minutes to 15 minutes. The Organic Magobox achieved a 33.3% utility rate, corresponding to its use over 20 days out of the 60-day cycle required for compost production. Keywords: SS Sido Resik, Trimulyo Village Waste Bank, Appropriate Technology, Plastic Shredding Machine, Rotary Dryer, Organic Magobox
Enhancing the Cooling Effectiveness Utilizing a Tapered Fin Having Capsule-Shaped Cross-Sectional Area Numerically Simulated Using Finite Difference Method Pratama, Nico Ndaru; Setyahandana, Budi; Purwadianto, Doddy; Dyaksa, Gilang Argya; Winarbawa, Heryoga; Seen, Michael; Rines, Rines; Mardikus, Stefan; Kusbandono, Wibowo; Lukiyanto, Y.B
International Journal of Applied Sciences and Smart Technologies Volume 07, Issue 2, December 2025
Publisher : Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/ijasst.v7i2.12362

Abstract

This paper reports the results of our research on improving the cooling of an engine using fins. This problem is important to discuss because various parts of the world have utilized machining technology. When the engine operates, it produces heat. This heat reduces the efficiency of the engine's performance. In this problem, we developed a tapered fin method with a capsule cross-section to enhance cooling performance. The fin consists of two different materials that are perfectly joined. In this paper, the fin analysis is performed using the explicit finite difference numerical method. This method simulates the heat distribution on the fins. The results of our research include temperature distribution, heat flow rate, efficiency, and fin effectiveness in unsteady-state conditions with variations in material composition. The highest heat flow rate, fin efficiency, and fin effectiveness were achieved with a fin material composition of copper and aluminum, yielding an efficiency value of 0.89 and an effectiveness of 20.7. Our research results offer potential for the industry to design fins for innovative applications.
Co-Authors Achilleus Hermawan Astyanto Aji Nugraha, Felix Krisna Alapan, Rines Aris Wahyu Murdiyanto Budi Setyahandana Budi Sugiharto David Sulistiyantoro, David Sulistiyantoro Doddy Purwadianto Felix Krisna Aji Nugraha Gerlan Haha Nusa Herianto . Hermawan, Oktavianus Nekson Heryoga Winarbawa Ismartaya, Kristian Jaladri, Stefano Lina Choridah Lukiyanto, Y. B. Lukiyanto, Y.B Lukiyanto, Yohanes Baptista Mahesa, Ll. Aghyl Anugerah Marausna, Gaguk Mustain, Fahra Diky Negara, Yosua Kusuma Nur Arfian Pandapotan, Dan Daniel Prabowo, Fajar Yulianto Pratama, Nico Ndaru Putra, Brian Teo Putra, Ikbal Rizki Putra, Mahendra Pratama Putri, Claudia Agata Rines, Rines Ronald Sukwadi Roshanti, Fatma Seen, Michael Sehono Stefan Mardikus Thedjasurya, Eric Rudolf Wibowo Kusbandono Yosef Agung Cahyanta