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All Journal Jurnal Teknoin SPEKTRUM INDUSTRI Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Teknologi SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Prosiding Semnastek Journal of Energy, Mechanical, Material and Manufacturing Engineering Jurnal Pengabdian Masyarakat IPTEKS Proceedings Series on Physical & Formal Sciences Abdi Makarti Jurnal Pengabdian West Science Suara Teknik : Jurnal Ilmiah Jurnal Polimesin
Fadwah Maghfurah
Universitas Muhammadiyah Jakarta
Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Perancangan Konstruksi Dan Screw Mixer Pada Mesin Pencetak Pelet Pakan Unggas Berkapasitas 10Kg/Jam Baihaqi, Ashar Bached; Maghfurah, Fadwah; Windarta, Windarta
Prosiding Semnastek PROSIDING SEMNASTEK 2025
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Peningkatan kualitas dan efisiensi pakan ternak merupakan tantangan utama dalam industri peternakan modern. Ketergantungan pada pakan komersial dapat mengurangi profitabilitas peternak hingga 50%, sehingga diperlukan solusi inovatif berupa produksi pakan mandiri. Penelitian ini bertujuan untuk merancang mesin cetak pelet berkapasitas 10 kg, menggunakan bahan baku seperti jagung, dedak, dan konsentrat, yang mampu menghasilkan pakan ternak berkualitas tinggi. Mesin ini dirancang untuk memiliki struktur rangka yang kokoh dan anti korosi, mampu menahan beban, getaran, serta defleksi, dan dilengkapi mixer berbasis mekanisme screw untuk memastikan pencampuran bahan yang merata. Metodologi yang digunakan mencakup analisis kebutuhan, desain komponen, dan evaluasi kinerja mesin. Desain rangka mesin dibuat dengan perangkat lunak SolidWorks 2023, Inovasi penggunaan mixer dengan sistem screw menjadi solusi untuk mencampur bahan baku dengan optimal, sehingga mendukung efisiensi produksi pakan. Hasil penelitian ini menghasilkan prototipe mesin cetak pelet yang mampu menahan beban 44,25 kilogram serta mampu menghasilakan output seberat 10 kilogram per-jam serta screw mixer berbasis mekanis dan berbentuk ulir dengan kecepatan putaran sebesar 700 RPM.
Strategi Penataan Rumah Tinggal Berbasis Efisiensi Energi untuk Komunitas Ibu Hebat, Tapos, Depok Purwantiasning, Ari Widyati; Hantono, Dedi; Prayogi, Lutfi; Maghfurah, Fadwah; Halimah, Hana; Aisy, Karlina Rohadatul; Sari, Yeptadian
Jurnal Pengabdian West Science Vol 4 No 07 (2025): Jurnal Pengabdian West Science
Publisher : Westscience Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58812/jpws.v4i07.2449

Abstract

Program pengabdian kepada masyarakat ini bertujuan untuk mendampingi komunitas hunian urban dalam mewujudkan efisiensi energi melalui redesain rumah berkelanjutan. Sasaran kegiatan adalah “Komunitas Ibu Hebat” di BCI 2, Tapos, Depok, dengan menerapkan prinsip net zero carbon guna mengatasi tingginya konsumsi energi dan mendorong hunian yang ramah iklim. Pendekatan yang digunakan mencakup audit energi, lokakarya desain partisipatif, serta strategi penataan ulang rumah yang melibatkan ventilasi pasif, optimalisasi pencahayaan alami, dan pemilihan material ramah lingkungan. Hasil kegiatan ini adalah model desain rumah tinggal hemat biaya yang aplikatif serta mendukung misi Indonesia menuju Net Zero Carbon pada tahun 2060. Anggota komunitas menunjukkan peningkatan kesadaran dan mulai menerapkan perbaikan praktis seperti mengganti lampu menjadi LED dan meningkatkan sirkulasi udara dalam rumah.
Numerical Analysis of Heat Transfer in U-Shaped Flow Around a Rotating Circular Cylinder in a 3D Print Filament Dryer Afrijal, Agung; Maghfurah, Fadwah
Suara Teknik : Jurnal Ilmiah Vol 16 No 1 (2025): Suara Teknik: Jurnal Ilmiah - Mei
Publisher : Fakultas Teknik dan Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/stek.v16i1.7532

Abstract

The flow past rotating circular cylinders has been extensively studied, primarily focusing on crossflow phenomena. To explore alternative flow patterns, this study investigates U-shaped flow and heat transfer around a rotating circular cylinder, simulating the drying process in a 3D-print filament dryer. Numerical simulations were performed using the rhoSimpleFoam solver in OPENFOAM 2306 to analyze flow and heat transfer characteristics. The inlet flow had a Reynolds number of 2000, with constant temperatures of 50°C at the inlet chamber and 20°C at the cylinder surface. Cylinder rotation speeds ranged from 0 to 4. The results showed that higher cylinder rotation speeds lead to a more uniform heat transfer distribution along its circumference, consistent with findings in crossflow studies. However, a key difference observed in the U-shaped flow is that higher rotation speeds also resulted in increased average heat transfer, contrasting prior studies on crossflow phenomena, which reported the opposite trend. These results are expected to have a positive impact on the development of 3D-print filament dryers, which enables a drying process that ensures uniformity and high heat transfer. Additionally, a validation simulation demonstrated good agreement with previous studies.
Application of a Peeler Blade and Adaptive Spring Mechanism in a Tuber Peeling Machine Fadwah Maghfurah; Farhan Rian Ramadhan; Windarta
Jurnal Teknologi Vol. 18 No. 2 (2026): Jurnal Teknologi
Publisher : Faculty of Engineering Universitas Muhammadiyah Jakarta

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Abstract

The development of friction-based tuber peeling machines requires an integrated approach involving mechanical design, theoretical analysis, and experimental validation to achieve an optimal balance between productivity and peeling quality. This study aims to design and evaluate the performance of a tuber peeling machine incorporating a peeler blade and an adaptive spring-loaded mechanism. The methodology included kinematic analysis, belt–pulley transmission design (2:1 transmission ratio producing a shaft speed of 710 rpm), motor torque and power calculations (effective torque of 4.48 N·m), friction and normal force analyses as the primary peeling mechanisms, and structural evaluations of the machine frame and shaft. The analytical results indicated that the ASTM A36 steel frame exhibited a maximum bending stress of 10.2 MPa, a factor of safety of 24.5, and a maximum deflection of 0.77 mm. Meanwhile, the shaft experienced a deflection of 0.22 mm and operated at only 35% of its critical speed (2015 rpm), confirming both structural and dynamic stability. Experimental validation demonstrated that processing capacity increased with rotational speed, reaching a maximum value of 17.83 kg h⁻¹ at 400 rpm compared with 13.67 kg h⁻¹ at 300 rpm. In contrast, peeling efficiency exhibited a non-linear trend, achieving an optimum value of 95.67% at 300 rpm and decreasing significantly at 400 rpm, particularly for potatoes (75.70%), due to the occurrence of over-cutting. These findings reveal a trade-off between processing capacity and peeling efficiency, indicating that optimal machine performance depends on both material characteristics and operating conditions. Overall, the developed peeling system demonstrated stable operation, adaptive performance, and compliance with technical and functional requirements for small- to medium-scale agricultural processing applications.
Efficient Air-Based Thermal Management for Electric Two-Wheeler Batteries: A CFD Approach Munzir Qadri; Wahid Hasim; Erwinda Fenty Anggraini; Riki Effendi; Fadwah Maghfurah
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 19 No. 1 (2025): SINTEK JURNAL
Publisher : Faculty of Engineering, Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.19.1.93-101

Abstract

Effective thermal management is critical for ensuring the performance, safety, and longevity of lithium-ion batteries (LIBs) in electric two-wheeled vehicles. This study develops a cost-efficient, air-based Battery Thermal Management System (BTMS) for a 460 Wh battery pack. As LIBs can convert up to 20% of input energy into heat due to internal resistance and electrochemical reactions, inadequate heat dissipation may lead to thermal runaway, potentially causing fire or explosion. Computational Fluid Dynamics (CFD) simulations were employed to explore and optimize various air-cooling configurations. The most effective design—identified through simulation—was experimentally validated using an electronic battery tester under high-current loads. Results indicate that an optimized push-pull air-cooling configuration significantly reduces peak battery temperatures and maintains them within safe operational limits, thereby enhancing battery reliability and extending its lifecycle. This work contributes to the advancement of practical and affordable thermal solutions for sustainable electric mobility, particularly in the low-power vehicle segment.
Co-Authors Achmad Suprayogo Afrijal, Agung Aisy, Karlina Rohadatul Akim Suryanto Alan - Ramadhan Alnawawi, Muhammad Sidiq Andis Munandar Andri Maulana Apriana Diana Ari Widyati Purwantiasning Baihaqi, Ashar Bached Bayu Putra Trianto Dandy - Rizaldy Daud Rukmana David Desria Chandra Dede Heri Wahyudi Dedi hantono, Dedi Erwinda Fenty Anggraini Fajar Agung Setiawan Fajar Ramadhan, Fajar Farhan Rian Ramadhan Ferry Budhi Susetyo Ferry Budhi Susetyo Finta Lissimia, Finta Gunawan Hidayat Guruh Joko Sukarno Halimah, Hana Hariswanto Hariswanto Hartanto, Rachmadi Senop Hendro Purwono Imam Ali Syariati imam prakoso Koos Sardjono Lutfi Prayogi, Lutfi Mochammad Nurul Aini Mohammad Yusuf, Mohammad Muhamad Hadiyanto Muhammad Lutfi Yasid Munzir Qadri Munzir Qadri Munzir Qadri Munzir Qadri Munzir Qadri Munzir Qadri Munzir Qadri Mustofa, Indra Prakoso, Nur Ikhsan Yudha Putra, Bhagas Novanda Ramadhan, Fajar Ratna Dewi Nur'aini Riki Effendi Rudiarto Rudiarto Rudiarto, Rudiarto Saputra, Dymas Shofiatul Ula Sobri, Adna Sugiatmo Rahardjo Sulis Yulianto Surury, Isti'anah Syahputra, Haikal Bintang Syarifuddin, Farhan Ula, Shofiatul Ula, Shofiatul Wahid Hasim Windarta - Windarta Windarta Windarta windarta windarta Windarta, Windarta Windarta1 , Windarta Yeptadian Sari