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All Journal Jurnal Rekayasa Mesin Jurnal Simetris Jurnal Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Jurnal Rekayasa Material, Manufaktur & Energi SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan KACANEGARA Jurnal Pengabdian pada Masyarakat Adimas : Jurnal Pengabdian Kepada Masyarakat Jurnal Elemen Jurnal Teknologi Terapan Infotekmesin Authentic Research of Global Fisheries Application Journal (Aurelia Journal) Jurnal Teknik Elektro dan Komputasi (ELKOM) J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Scientific Journal of Mechanical Engineering Kinematika International Journal of Marine Engineering Innovation and Research GANDRUNG: Jurnal Pengabdian Kepada Masyarakat Madaniya Community Empowerment Journal of Mechanical Engineering International Journal of Community Service MACHINERY: Jurnal Teknologi Terapan Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Jurnal Polimesin
Agung Fauzi Hanafi
Politeknik Negeri Banyuwangi
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Innovation of fish feed based on local raw materials for fish farmers in Tambong Village, Banyuwangi Regency Liliyanti, Mita Ayu; Hanafi, Agung Fauzi; Wardhana, Prabuditya Bhisma Wisnu
Community Empowerment Vol 10 No 6 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.12762

Abstract

Banyuwangi Regency is a potential area for developing freshwater fish farming businesses in Indonesia. One of the fish farming groups is Santri Fish Farm, located in Tambong Village, Kabat District. This group cultivates tilapia for consumption and koi as ornamental fish. Feed is a crucial factor supporting successful cultivation, but high feed costs, reaching 30–70% of the total production cost, are a major obstacle in this endeavor. Therefore, this activity aims to enhance the self-reliance of fish farmers in utilizing local raw materials as alternative feed, such as fish meal, snail meal, and water hyacinth. The activities began with the preparation of tools and feed raw materials, training on formulation development, practical feed production, and evaluation. The response to the produced feed showed excellent results. Meanwhile, evaluation results indicated a 50% increase in participants' understanding and skills in formulating local-based feed.
RANCANG BANGUN PRONY BRAKE DYNAMOMETER UNTUK PENGUJIAN ENGINE MOBIL HEMAT ENERGI TIM JOGOPATI Prabuditya Bhisma Wisnu Wardhana; Angga Fahad Musthofa; Agung Fauzi Hanafi; Asmar Finali; Rochmad Eko P.U.
Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Vol. 3 No. 2 (2025): Jurnal Inovasi Teknologi Manufaktur, Energi, dan Otomotif
Publisher : Politeknik Negeri Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57203/jinggo.v3i2.2025.%p

Abstract

This research aims to determine the force required by the Prony Brake Dynamometer, understand the manufacturing process, and analyze the test results, to ensure this tool can measure engine performance accurately and efficiently. This research includes the design, manufacture and calibration of the Prony Brake Dynamometer, followed by energy efficient car engine testing. The data obtained is analyzed to evaluate the performance of the dynamometer and engine performance, to ensure that this tool can be used accurately and efficiently in testing. The force required to press the caliper piston to the Disc Brake is 136.2 N. The input power with a current of 2.4 A is obtained of 264 W. braking force Fb from the 2.4 Current variation with Ft 0.3 kg is 0.98 N. The power (P) output of the electric motor using the 2.4 Current variation with F scale of 0.3 m and rpm 1473 is 14.2833 watts. It takes a pressing force of 136.2 N on the brake shoes to test a torque of 10.3 Nm at a rotational speed of 3600 rpm. The output power at a rotational speed of 1473 rpm is 14.28 W with a measured input power of 264 W. Meanwhile, at a rotational speed of 1435 rpm the output power produced is 120.61 W with a measured input power of 572 W. Keyword : design, prony brake, dynamometer, engine
ANALISIS ERGONOMI POSISI PENGEMUDI MOBIL MINI PARIWISATA UNTUK MENINGKATKAN KENYAMANAN DAN KEAMANAN MENGGUNAKAN METODE REBA Prayogo, Andika Lady; Umar, Mega Lazuardi; Finali, Asmar; Hanafi, Agung Fauzi; Yudha, Igna Satria Prasetya Darma
MACHINERY Jurnal Teknologi Terapan Vol. 6 No. 3 (2025): Machinery: Jurnal Teknologi Terapan
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36257/machinery.v6i3.10651

Abstract

Di Indonesia saat ini, transportasi merupakan komponen utama dalam membantu masyarakat bepergian. Tujuan penelitian ini diharapkan dapat ditemukan solusi untuk meningkatkan keamanan dan kenyamanan pengemudi mobil mini pariwisata, dapat memberikan kontribusi dalam pengembangan desain kendaraan yang lebih memperhatikan aspek ergonomis. Metode analisis REBA (Rapid Entire Body Assessment) digunakan untuk menghitung dan menganalisis semua bagian tubuh manusia dengan melihat hasil nilai skor akhir. Dari hasil analisis ini dapat disimpulkan bawasannya untuk kursi pengemudi dari berbagai tipe dengan perbedaan sudut punggung dan tinggi kursi, pada postur kerja pengemudi dengan kursi tipe 1, 3, dan 4 menghasilkan skor akhir REBA adalah 3, adapun postur kerja pengemudi dengan kursi tipe 2 menghasilkan skor REBA adalah 4. Maka di perlukan analisis lebih lanjut untuk mencari yang terbaik mengenai variasi sudut punggung 105o dan 95o, dengan tinggi 30 cm dan 40 cm kursi pengemudi mobil mini pariwisata tipe 1, tipe 3, dan tipe 4.
Analisis Tegangan Roll Untuk Produksi Baja Tulangan Beton Tahap Roughing Menggunakan Metode Finite Element Analysis Fauzi Hanafi, Agung; Mahardika, Ardi; Finali, Asmar; Lazuardy Umar, Mega; Eko PU, Rochmad
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2328

Abstract

Concrete reinforcing steel is alloy steel with a round cross section using a plain or fin surface and produced from a material called billet. The production process for concrete reinforcing steel generally uses a rolling process. The stress on the roll that is generated during the rolling process is something that needs to be considered. Stresses that exceed the fatigue limit will result in failure and even damage to the roll. This research aims to determine the maximum stress in rolls at the roughing stage, namely roll 1H, roll 2H, and roll 1 with standard sizes. By using the Finite Element Analysis simulation, it is expected that it can provide recommendations for the maximum roll stress produced in the rolling process. From the simulations carried out, the maximum stress value for roll 1H is 190.34 MPa, roll 2H is 227.28 MPa and roll 1 is 136.18 MPa. The stress that occurs in the roll is considered safe because it is below the fatigue stress value of the roll material.
Penerapan teknologi tepat guna kendaraan pemotong rumput beroda tiga di bumi perkemahan Jeongmara Campuhan Banyuwangi Umar, Mega Lazuardi; Hanafi, Agung Fauzi; Wardhana, Prabuditya Bhisma Wisnu; Utomo, Rochmad Eko Prasetyaning; Haq, Bella Arini
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 7, No 4 (2024): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v7i4.1946

Abstract

Tujuan dari kegiatan pengabdian ini adalah mencari solusi atas permasalahan mitra dalam pemotongan rumput yang masih menggunakan konvensional maupun pemotong rumput gendong yang dirasa  masih kurang efektif karena ukuran lahan bumi perkemahan yang sangat luas. Teknologi tepat guna kendaraan pemotong rumput yang dibuat memiliki panjang 150cm, lebar 80cm, dan tinggi 125cm. Kegiatan pengabdian ini dilaksanakan dengan beberapa tahapan kegiatan yaitu: survey lokasi, sosialisasi program pengabdian, desain teknologi tepat guna, pembuatan dan perancangan, pengujian alat, sosialisasi dan presentasi kegiatan, serta demo dan penyerahan alat. Hasil dari kegiatan ini adalah mitra mampu menggunakan pemotong rumput sendiri dan melakukan perawatan sederhana pada alat. selain itu hasil uji menunjukkan kemampuan mesin kendaraan pemotong rumput lebih tinggi daripada pemotong rumput gendong.
Pengenalan dan Penerapan Teknologi Penyulingan Air Payau Menjadi Air Tawar pada Masyarakat Pesisir Pantai Desa Grajagan Banyuwangi Umar, Mega Lazuardi; Wardhana, Prabuditya Bhisma Wisnu; Hanafi, Agung Fauzi; Finali, Asmar; Assiqin, Laiq Firdaus
ADIMAS Jurnal Pengabdian Kepada Masyarakat Vol 5 No 2 (2021): September
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/adi.v5i2.4164

Abstract

Desa Grajagan, Kabupaten Banyuwangi terletak di ujung timur Pulau Jawa yang mayoritas penduduknya hidup di pesisir pantai. Letak geografis tersebut membuat banyak warga desa masih menggunakan air payau yang bersumber dari sumur untuk kebutuhan sehari-hari seperti mencuci pakaian, mandi dan lain-lain. Hal ini dikarenakan belum adanya pasokan air tawar dari sumber air terdekat sehingga warga harus membeli air bersih dari jerigen untuk kebutuhan sehari-hari. Oleh karena itu, pada program pengabdian masyarakat ini, melalui Program Hibah Desa Binaan, diadakanlah sebuah acara pengenalan dan penerapan teknologi penyulingan air payau menjadi air tawar pada masyarakat di Desa Grajagan. Adapun kegiatan yang dilakukan meliputi pembuatan alat, sosialisasai, presentasi, diskusi, demo dan penyerahan alat penyulingan air. Hasil penerapan teknologi ini membuktikan bahwa air payau telah mampu diubah dengan baik menjadi air tawar dengan kadar TDS 220 ppm. Diharapkan setelah diadakannya program pengabdian kepada masyarakat ini, masyarakat di desa Grajagan mampu mendapatkan air tawar dengan mudah dan cepat serta mengerti tentang cara kerja alat penyulingan air payau menjadi air bersih. Kedepannya, setelah program ini selesai masyarakat setempat akan mampu membuat alat penyulingan secara mandiri.
ANALYSIS OF ALUMINUM SAND CASTING OF A THREE-BLADED PROPELLER FOR FISHING BOATS WITH A DIRECT GATING SYSTEM Umar, Mega Lazuardi; Hanafi, Agung Fauzi
Aurelia Journal Vol 7, No 1 (2025): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/aj.v7i1.15647

Abstract

This research aims to simulate and verify the aluminum material casting process using the sand casting method with a top gating system for traditional fishing boats. Numerical simulations were conducted to predict molten metal flow, solidification, and potential casting defects, specifically shrinkage porosity. Using the simulation method, the shrinkage porosity area was observed at the central point of the propeller shaft and alsoat the tips of the propeller blades. Consistent results were also verified by experiments. To improve the casting results, direct gating casting recommendations are presented but still show shrinkage porosity in the riser, shaft, and propeller blade tips. However, when compared to the results before the improvement, a reduction in shrinkage defects is evident. This research is expected to provide a better understanding of the optimization of gating system design in propeller casting using the sand casting method, thereby improving product quality and reducing the potential for defects in propellers used for traditional fishing boats.
Mechanical Contact Stress Analysis of Rollers at Various Hot Rolling Reductions Using Finite Element Approach Hanafi, Agung Fauzi; Siregar, Ansor Salim; Wisnu Wardhaanaa, Prabuditya Bhisma; Mega Lazuardi Umar
Jurnal Rekayasa Mesin Vol. 20 No. 3 (2025): Volume 20, Nomor 3, Desember 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i3.7190

Abstract

Hot rolling is a fundamental process in metal manufacturing; however, the operational integrity of the rollers is frequently threatened by excessive stress, which can lead to premature fatigue failure. This study aims to quantitatively analyze the effect of the cross-sectional reduction percentage on the distribution and magnitude of equivalent (von Mises) stress in hot rolling rollers. The Finite Element Analysis (FEA) method was employed to simulate the rolling process on rollers made of Ductile Cast Iron and a Structural Steel billet at a temperature of 800°C. Eleven simulation scenarios were executed by varying the reduction from 22% (industry standard) to 44%. The results indicate that the standard 22% reduction yields a very safe stress level (157.36 MPa), which is only 46.5% of the roller material's fatigue strength (338 MPa). It was found that roller stress increases non-linearly with increasing reduction, with a significant stress surge observed after a 41% reduction. The maximum safe operational limit was identified at a 43% reduction, which produced a stress of 275.43 MPa (81.5% of the fatigue limit). At a 44% reduction, the roller stress (369.37 MPa) exceeded the safe limit, indicating a high risk of component failure. This study provides a practical quantitative guide for the industry to optimize production throughput by establishing 43% as the maximum theoretical reduction limit.
Efisiensi pengembangan usaha akuakultur melalui pemanfaatan pompa air bertenaga turbin hidro vortex di desa Tambong kabupaten Banyuwangi Mita Ayu Liliyanti; Agung Fauzi Hanafi; Yeddid Yonatan Eka Darma
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 8, No 1 (2024): March
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v8i1.21833

Abstract

Abstrak                                                                                 Potensi Desa Tambong yang belum tersentuh untuk pengembangan usaha adalah pemanfaatan aliran sungai sebagai sumber tenaga penyedia air untuk kegiatan akuakultur. Permasalahan yang dihadapi  masyarakat Desa Tambong adalah belum tersedia teknologi yang efisien selain penggunaan pompa listrik yang membutuhkan modal tinggi. Oleh karena itu, kegiatan ini ditujukkan untuk mengenalkan dan menerapkan teknologi yang ramah lingkungan yang dapat menyuplai air ke dalam wadah akuakultur. Alat yang tepat digunakan adalah pompa air bertenaga turbin hidro vortex yang mampu memanfaatkan pusaran air sebagai sumber tenaga untuk menggerakkan pompa. Kegiatan ini dilaksanakan pada 29 November 2023 di Dusun Krajan, Desa Tambong, Kecamatan Kabat, Kabupaten Banyuwangi dengan melibatkan 20 – 25 peserta. Pompa air turbin hidro vortex yang didesain pada kegiatan pengabdian ini memilki diameter bak pusaran 0,8 m, tinggi bak pusaran 0,4 m, lebar masukkan pusaran 0,14 meter, diameter turbin 0,65 m, dan tinggi turbin 0,25 m, serta mampu memompa air sebesar 1,5 liter/menit dengan memanfaatkan debit air sungai sebesar 44,8 liter/detik. Kata kunci: desa tambong; akuakultur; pompa air; turbin hidro vortex. AbstractThe untapped potential of Tambong Village for business development lies in harnessing river flows as a sustainable energy source to supply water for aquaculture activities. The challenge faced by the residents of Tambong Village is the absence of efficient technologies, with electric pumps being the only available option, necessitating substantial capital investment. Consequently, this initiative aims to introduce and implement eco-friendly technology capable of providing water to aquaculture containers. The ideal solution is the utilization of a hydro vortex turbine-powered water pump, designed to harness water vortices as a power source for driving the pump. This project was executed on November 29, 2023 in Krajan Hamlet, Tambong Village, Kabat District, Banyuwangi Regency, involving 20–25 participants. The hydro vortex turbine water pump created for this initiative features a vortex tank with a diameter of 0.8 m, a height of 0.4 m, a vortex entry width of 0.14 meters, a turbine diameter of 0.65 m, and a turbine height of 0.25 m. It is capable of pumping water at a rate of 1.5 liters per minute, leveraging the river's water discharge of 44.8 liters per second. Keywords: tambong village; aquaculture; water pump; hydro vortex turbine.
Influence of Ducted Propeller on Ro-Ro Vessels for Indonesia Inter-island Transportation Achdri Fauzi Nugraha Oloan; Prabuditya Bhisma Wisnu Wardhana; Agung Fauzi Hanafi; Yeddid Yonatan Eka Darma
International Journal of Marine Engineering Innovation and Research Vol. 10 No. 4 (2025)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v10i4

Abstract

These Ro-Ro vessels are the backbone of inter–island transportation in Indonesia and require an efficient propulsion system to reduce fuel consumption and improve maneuvering performance. This study investigates the influence of ducted propellers on Ro-Ro vessels using Computational Fluid Dynamics (CFD) simulations. Four blades fixed pitch propeller configuration with accelerating duct are examined with different radial gaps at the propeller tip to the inner duct surface (0.1m, 0.3m and 0.5m) at rotational speed of 229 rpm and diameter of 4.202 m. the CFD model validation show average deviation of 4.06 % for KT, 7.63 % for 10*KQ and 3.11 % for efficiency compared with the experimental data. It indicated that the numerical approach is sufficiently reliable for further analysis. The open-water test results suggest that adding a duct does not necessarily improve performance. At a 0.10m gap, thrust, torque, and efficiency decrease by 39.3%, 25.7%, and 20.3%, respectively, whereas the 0.5m gap still results in noticeable performance degradation. Wake-field visualization indicates that smaller gaps produce stronger propeller–duct interaction, with more concentrated energy, sharper velocity gradients, and greater instability near the duct outlet. These findings emphasize that duct geometry and tip clearance must be carefully optimized for the vessel’s operating conditions to fully realize the energy benefits of a ducted propeller system on Ro-Ro vessels.
Co-Authors Achdri Fauzi Nugraha Oloan Adetiya Prananda Putra Ahmad Arbi Trihatmojo Alfidera, Mohammad Andrean Bagus Prasetyo Angga Fahad Musthofa Ansor Salim Siregar Apricandigo, Taura Ardi Mahardika Assiqin, Laiq Firdaus Bhisma Wisnu Wardhana, Prabuditya Chairul Anam, Chairul Eka Darma, Yeddid Yonatan Eko PU, Rochmad Enggar Priyadi Finali, Asmar Fitriana Fitriana Haq, Bella Arini I Gusti Ngurah Agung Satria Prasetya Dharma Yudha I Gusti Ngurah Agung Satria Prasetya Dharma Yudha I. G. N. A. Satria Prasetya D.Y. Indra Adi Saputra Indraloka, Aldy Bahaduri Lazuardy Umar, Mega Liliyanti, Mita Ayu Lusi, Nuraini Mahardika, Ardi Mega Lazuardi Umar Mega Lazuardi Umar Mega Lazuardy Umar Mita Ayu Liliyanti Muharram, Ahmad Vicru Ningsih, Pita Dwi Rahayu Nur Hayati Oloan, Achdri Fauzi Nugraha P.U, Rochmad Eko Prabuditya Bhisma Wisnu Wardana Prabuditya Bhisma Wisnu Wardana Prabuditya Bhisma Wisnu Wardhana Prayogo, Andika Lady Rizqi Ilmal Yaqin Rochmad Eko Rochmad Eko P.U. Rochmad Eko P.U. Rochmad Eko Prasetyaning Utomo Rochmad Eko PU Rodmat Eko P.U Satria Prasetya Siregar, Ansor Salim Utomo, Rochmad Eko Prasetyaning Venusa Abriandika W.W, Prabuditya Bhisma Wahyu Saputra Winardi Sani Wisnu Wardhaanaa, Prabuditya Bhisma Wisnu Wardhana, Prabuditya Bhisma Yeddid Yonatan Eka Darma Yudha, IGNA Satria Prasetya Darma