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All Journal Jurnal Pengabdian Masyarakat Multidisiplin Advance Sustainable Science, Engineering and Technology (ASSET)
Agus Baharudin
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Aerospace Engineering Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Analysis of Modified Exhaust Tip Geometry on Flow Behavior and Backpressure in Car Exhaust Systems for Electricity Harvesting Martias; Wawan Purwanto; Okin Johepan Handanu; Agus Baharudin; Andrizal
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/2dw2wx35

Abstract

The efficiency of vehicle exhaust systems is critical for reducing backpressure and emissions, enhancing performance and sustainability of harvesting energy. This study investigates the effect of an additional body modification at the exhaust tip on pressure and velocity distributions using Computational Fluid Dynamics (CFD) simulations in SolidWorks. Simulations were conducted at inlet velocities of 10, 15, and 20 m/s. Results show that the modified design does not increase backpressure, with the maximum observed change being a minor reduction of 0.137% at 20 m/s. These findings confirm that the additional body can be safely integrated without adversely affecting engine performance, while also improving downstream flow uniformity. This supports its viability for use in energy harvesting systems and highlights its relevance for sustainable exhaust system development.
PERAN STRATEGIS DPL DALAM MBKM ASISTENSI MENGAJAR: STUDI DI SMAN 19 PEKANBARU TA. 2024/2025 Siti Nazhifah; Nabila Afifah Azuga; Agus Baharudin; Tiara Mahardika; Baik Budi
Jurnal Pengabdian Masyarakat Multidisiplin Vol 8 No 3 (2025): Juni
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/jpm.v8i3.6181

Abstract

The transformation of higher education in Indonesia through the Merdeka Belajar Kampus Merdeka (MBKM) policy has encouraged stronger integration between academic learning and real-world practice in the community, one of which is through the Teaching Assistance program. This article describes the strategic role of DPL or Field Supervisors in guiding students during the implementation of the Teaching Assistance Program at SMAN 19 Pekanbaru during the second semester of the 2024/2025 academic year. A descriptive-qualitative approach was used to explore the contributions of DPL as pedagogical facilitators, reflective evaluators, institutional liaisons, enhancers of soft skills and professionalism, and integrators of technology use for students. The data collection methods employed in this study included observation, interviews, documentation, guidance notes, and reflections throughout the program. The research findings indicate that the presence of DPL significantly contributes to strengthening students' pedagogical competencies, shaping professional character, and bridging communication between universities and partner schools. In addition to positively impacting the quality of student learning, this program also supports the optimal use of technology and active learning in schools. The research findings also emphasize that the success of the MBKM program implementation heavily depends on the synergy between students, DPL, and school stakeholders, as well as the active involvement of DPL in all stages of the activity.  
Co-Authors Andrizal Baik Budi Martias Nabila Afifah Azuga Okin Johepan Handanu Purwanto, Wawan Siti Nazhifah Tiara Mahardika