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All Journal METAL : Jurnal Sistem Mekanik dan Termal JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Jurnal Teknik Mesin Sinergi Kohesi: Jurnal Sains dan Teknologi Jurnal Teknologi Manufaktur dan Industri
Ariawan Bayu Wicaksono
Politeknik Negeri Ujung Pandang
Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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PENGARUH KETEBALAN SPESIMEN TERHADAP NILAI KOEFISIEN PENYERAPAN SUARA MATERIAL KOMPOSIT SERBUK GERGAJI Ariawan Bayu Wicaksono
Kohesi: Jurnal Sains dan Teknologi Vol. 6 No. 11 (2025): Kohesi: Jurnal Sains dan Teknologi
Publisher : CV SWA Anugerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.3785/kohesi.v6i11.10732

Abstract

This study aims to determine the effect of specimen thickness on the sound absorption coefficient (SAC) of composite materials made from sawdust. Sawdust was made into a composite material with a volume fraction variation of 30:70 with thickness variations of 25 mm, 30 mm, and 40 mm. The samples were tested at frequencies of 200–1600 Hz using a type 4206 impedance tube with two microphones according to ASTM E1050 standards. Based on the test results, it was found that the material with a thickness of 40 mm (T40) achieved the highest SAC value with an α value of 0.18 at a frequency of 1200 Hz. It can be concluded that the sound absorption coefficient (SAC) value of the sawdust composite material increases with the thickness of the material, especially at high frequencies, because the increase in material thickness allows for more effective interaction between sound waves and the porous structure, thereby enhancing sound energy dissipation.
Perancangan Sistem Kelistrikan pada Dental Unit Portable Bayu Wicaksono, Ariawan; Mukhtar, Mukhtar; Paisal, Paisal; Jumhur, Jalaluddin; Muhemin, Muhemin
Jurnal Teknik Mesin Sinergi Vol 22 No 2 (2024): Oktober 2024
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v22i2.5378

Abstract

Penelitian ini bertujuan untuk merancang dan mengembangkan sistem kelistrikan pada dental unit portable guna meningkatkan efisiensi operasional serta kenyamanan bagi operator dan pasien. Metode penelitian meliputi perancangan, pembuatan, dan pengujian sistem kelistrikan, yang mencakup pemilihan komponen kelistrikan, perakitan rangkaian, serta pengujian konsumsi daya dan efisiensi sistem. Sistem yang dikembangkan menggunakan dua power supply untuk menggerakkan dua aktuator linear, lampu, dan pompa air. Pengujian dilakukan untuk mengevaluasi konsumsi daya dan performa motor linear, lampu, serta pompa dalam berbagai kondisi operasional. Hasil pengujian menunjukkan bahwa total konsumsi daya sistem sebesar 230,43 Watt, yang masih berada dalam batas kapasitas daya yang disediakan oleh power supply sebesar 240 Watt. Motor linear dapat beroperasi dengan baik untuk menggerakkan kursi dan sandaran dengan waktu operasi yang bervariasi tergantung pada beban. Kesimpulannya, sistem kelistrikan dental unit yang dirancang mampu memenuhi kebutuhan daya secara optimal dan meningkatkan efisiensi operasional dental unit portable.
Experimental Modelling of Gripper Arm Using CAD Fusion 360 and Fused Deposition Modelling 3D Printing Process of Polymer Nur, Nurhidayanti; Ishak, Ishak; Bayu Wicaksono, Ariawan
Jurnal Tematis (Teknologi, Manufaktur dan Industri) Vol 6, No 2 (2024): JURNAL TEMATIS (TEKNOLOGI, MANUFAKTUR DAN INDUSTRI)
Publisher : Politeknik Bosowa

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Abstract

The use of Fusion 360 CAD technology and Fused Deposition Modelling (FDM) 3D printing process enables the development of complex and efficient gripper arm designs. This study explores the effect of mesh and infill density parameters on the print time, weight, and strength of parts printed using ABS material. The results show that a 40% mesh with 40% infill is optimal for lightweight applications due to material and time efficiency. In contrast, a 60% mesh with 80% infill is more suitable for heavy loads due to higher strength. With this design approach, components that meet the needs of robotics-based industries are produced, reinforcing the contribution of FDM technology in modern manufacturing.
Modifikasi Mesin Pencacah Plastik untuk Meningkatkan Kapasitas dan Kualitas Hasil Cacahan dalam Proses Daur Ulang Muttaqin, Ahmad Nurul; Mihdar, Uswatul Hasanah; Wirawan, Tri Susilo; Ariputra, A.; Halim, Abdul; Ilmunandar, Alief Maulana; Arfandy; Putra, Muhammad Sidiq Dwi; Abdillah, Muh.; Wicaksono, Ariawan Bayu; Ishak
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 7 No 01 (2025): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v7i01.180

Abstract

Sampah plastik menjadi masalah lingkungan global karena sulit terurai secara alami dan dapat mencemari air, tanah, dan udara. Untuk mengatasi masalah ini, proses daur ulang plastik menjadi solusi yang penting. Mesin pencacah plastik merupakan alat utama dalam daur ulang, namun banyak mesin yang masih menghadapi masalah dalam hal kapasitas dan kualitas hasil cacahan. Beberapa mesin pencacah plastik sebelumnya memiliki keterbatasan seperti ukuran cacahan yang besar dan ketidakstabilan dalam proses pencacahan. Tujuan penelitian ini adalah untuk mengembangkan mesin pencacah plastik dengan meningkatkan kapasitas dan menghasilkan cacahan yang lebih kecil dan seragam. Metode yang digunakan dalam penelitian ini adalah modifikasi desain mesin dengan mengganti sistem pemotongan menggunakan pisau dengan sudut kemiringan 45°, penambahan saringan, serta sistem pendinginan dengan pompa air untuk menghindari panas berlebih. Hasil penelitian menunjukkan bahwa mesin modifikasi mampu menghasilkan cacahan dengan ukuran rata-rata 7,7 mm x 6,4 mm dan kapasitas produksi 21,6 kg/jam. Mesin ini juga lebih efisien dengan waktu pencacahan rata-rata 2 menit 30 detik per 1 kg plastik, dibandingkan dengan mesin sebelumnya yang membutuhkan waktu 2 menit 48 detik. Kesimpulannya, mesin pencacah plastik yang dimodifikasi dapat meningkatkan efisiensi pencacahan dan menghasilkan cacahan plastik yang lebih kecil dan lebih seragam, yang mendukung proses daur ulang plastik yang lebih ramah lingkungan.
Design of Volume Control Type Portable Mechanical Ventilator Ishak; Nurhidayanti; Muh. Abdillah; Wicaksono, Ariawan Bayu
METAL: Jurnal Sistem Mekanik dan Termal Vol. 9 No. 1 (2025): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.9.1.21-28.2025

Abstract

This research addresses the critical need for affordable, portable ventilators, particularly for patients with respiratory distress, including those with COVID-19. These devices are essential for initial patient care during transport to hospitals. This project focuses on developing a volume-controlled ventilator that adheres to fundamental medical standards, enabling precise adjustments of tidal volume (VT), I/E ratio, and respiratory rate (RR). The ventilator utilizes an Arduino Mega 2560 controller to manage a solenoid valve, which regulates airflow for inspiration and expiration. Tidal volume, the volume of air delivered per breath, is adjustable between 50ml and 805ml, with selectable increments of 5ml to 20ml. The solenoid valve's activation controls the inspiration phase, allowing for adjustable inspiration times from 0.25 to 3.8 seconds. Conversely, deactivation facilitates expiration, with adjustable expiration times from 0.75 to 6.3 seconds. This precise control over respiratory parameters aims to provide effective and adaptable respiratory support, enhancing accessibility to crucial medical interventions.
Optimasi Kinerja Mesin Diesel dengan Campuran Biodiesel dan Aluminium Oksida sebagai Nanoadditif Muh. Abdillah; Wicaksono, Ariawan Bayu; Ishak; Nurhidayanti
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 7 No 01 (2025): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v7i01.183

Abstract

Biodiesel is an environmentally friendly renewable fuel, but it has lower energy efficiency and can increase nitrogen oxide emissions. This study examines the effect of adding aluminum oxide nanoparticles (Al₂O₃) on the performance of diesel engines fueled with biodiesel. Five fuel combinations were tested: B30 and B30 with Al₂O₃ at concentrations of 30, 50, 70, and 90 ppm. The results show that the addition of Al₂O₃ increases the engine's torque and brake power, with the highest increases of 4.14% and 6.22% respectively in the B30+Al₂O₃ 70 ppm mixture under high load conditions. This effect is associated with better atomization, optimal air-fuel mixing, and the catalytic properties of the nanoparticles. However, at a concentration of 90 ppm, there is a slight decrease in performance due to nanoparticle aggregation. The optimal concentration of 70 ppm shows potential for improving biodiesel efficiency. Further studies are needed to evaluate the long-term stability and its impact on engine lifespan.
Investigating the Influence of Alumina Additive Concentrations on specific Fuel Consumption and Exhaust Opacity in Biodiesel Fuel Muh Abdillah; Nurhidayanti; Ariawan Bayu Wicaksono; Ishak
METAL: Jurnal Sistem Mekanik dan Termal Vol. 9 No. 2 (2025): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.9.2.117-121.2025

Abstract

This study investigates the effect of alumina (Al2O3) nanoparticle additives on the performance and emission characteristics of B30 biodiesel fuel under various engine loads. Fuel samples of pure B30 and B30 blended with Al2O3 at concentrations of 30, 50, 70, and 90 ppm were tested using a 3.5 kW diesel engine. The evaluation focused on specific fuel consumption (SFC), and exhaust opacity at loads of 1, 5, and 9 kg. The results show that SFC generally decreased with increasing load, with the lowest values achieved at 90 ppm, indicating improved combustion efficiency. In terms of emissions, the addition of Al2O3 at 30–50 ppm significantly reduced opacity, with 50 ppm showing the greatest effect, particularly at high loads. However, higher concentrations such as 90 ppm tended to increase opacity due to nanoparticle agglomeration, which hinders homogeneous mixing and combustion. Overall, the optimal performance improvement was observed at 50 ppm for emission reduction and at 90 ppm for fuel efficiency, demonstrating the potential of Al2O3 nanoparticles as effective additives in biodiesel applications.
Co-Authors A Halim A. Ariputra, A. Abdillah, Muh. Ahmad Nurul Muttaqin Arfandy Ilmunandar, Alief Maulana ISHAK Ishak Ishak Jumhur, Jalaluddin Muh Abdillah Muh. Abdillah Muhemin, Muhemin Mukhtar Mukhtar Nurhidayanti Nurhidayanti PAISAL PAISAL Putra, Muhammad Sidiq Dwi Uswatul Hasanah Mihdar Wirawan, Tri Susilo