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All Journal IPTEK Journal of Proceedings Series SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Rekayasa Mesin Media Mesin: Majalah Teknik Mesin Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) Jurnal Terapan Abdimas R.E.M (Rekyasa Energi Manufaktur) Jurnal Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Justek : Jurnal Sains Dan Teknologi Sebatik Otopro Community Empowerment JTTM: Jurnal Terapan Teknik Mesin Jurnal Mesin Nusantara JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Jurnal Abdimas ADPI Sains dan Teknologi ARMATUR : Artikel Teknik Mesin dan Manufaktur Indonesian Journal of Innovation Studies PELS (Procedia of Engineering and Life Science) Procedia of Social Sciences and Humanities Sewagati Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Innovative Technologica: Methodical Research Journal Physical Sciences, Life Science and Engineering Journal Of Engineering Sciences (Improsci) Indonesian Journal of Microbiology Journal of Aerospace Systems and Engineering Innovations Academia Open
A'rasy Fahruddin
Program Studi Teknik Mesin, Universitas Muhammadiyah Sidoarjo, Indonesia
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Analisis Pengaruh Nilai Kalor Batubara dan Laju Feed Water terhadap Efisiensi Boiler Fire Tube 10 Ton Menggunakan Metode Langsung Rachmat Firdaus; A’rasy Fahruddin; Iswanto; Ali Akbar; Muhammad Ibrahim
Jurnal Mesin Nusantara Vol 9 No 1 (2026): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v9i1.26619

Abstract

Boiler adalah alat konversi energi yang mengubah energi bakar menjadi energi panas untuk menghasilkan uap. Dalam proses produksi minyak kelapa, PT. XXX menggunakan boiler tabung api berbahan bakar batubara sebagai uap. Tujuan penelitian ini adalah untuk menganalisis pengaruh nilai kalor batubara dan laju feed water terhadap terhadap efisiensi boiler tabung api 10 ton menggunakan teknik langsung. Data penelitian berasal dari lembar catatan operasi boiler untuk tiga periode pengamatan yaitu 3 Februari, 6 Februari, dan 9 Februari 2025, dengan durasi pengamatan 24 jam. Nilai batubara yang digunakan sekitar 24.001 kJ/kg, 22.644 kJ/kg, dan 23.121 kJ/kg. Menurut hasil penelitian, batubara dengan nilai kalor 24.001 kJ/kg menghasilkan efisiensi rata-rata tertinggi sebesar 78%, sedangkan batubara dengan nilai kalor 23.121 kJ/kg menghasilkan efisiensi rata-rata terendah sebesar 72%. Suhu udara rata-rata berkisar antara 83,0°C, 77,4°C, dan 73,4°C selama berbagai periode pengamatan. Temuan analisis menunjukkan bahwa peningkatan suhu dan suhu batubara feed water dapat meningkatkan efisiensi boiler, sedangkan peningkatan laju feed water berpotensi menurunkan efisiensi boiler. Akibatnya, efisiensi boiler tidak hanya dipengaruhi oleh kualitas bakar tetapi juga oleh kondisi operasi sistem. Oleh karena itu, perlu dilakukan penyesuaian terhadap kedua faktor tersebut untuk mencapai kinerja boiler yang optimal.
Computer-Aided Design (CAD) Training for Appropriate Technology (TTG) to Enhance the Competence of Vocational High School Students in East Java Mulyadi; Edi Widodo; A'rasy Fahruddin; Akhmad Ahfas
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 10 No. 2 (2025): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v10i2.22448

Abstract

This community service programme aimed to enhance the competencies of vocational high school students in East Java through Computer-Aided Design (CAD) training for Appropriate Technology (AT). Held on 13 June 2025 at the Mechanical Engineering Study Programme, Universitas Muhammadiyah Sidoarjo (Umsida), the activity was part of the Institutional Community Service Grant initiative. A total of 20 students from four partner schools participated, with each school sending five representatives. The training focused on developing students’ technical skills in designing AT products using CAD software and simulating basic fluid mechanics relevant to product development. Expert instructors, certified by the National Professional Certification Board (BNSP), delivered hands-on sessions to ensure strong practical learning outcomes. The results showed significant improvements in students’ technical abilities in CAD-based product design, a better understanding of engineering concepts, and greater readiness to apply these skills in industry-related contexts. This programme represents a strategic effort to bridge the gap between vocational school graduates’ competencies and industry demands, while also fostering innovation and the potential for technology-based entrepreneurship.
Analysis of the Effect of Using a Truck Cover and Wind Deflector on the Drag Coefficient of Trucks Moch Miqdar Efendi; Arasy Fahruddin; Windarta Windarta; Edi Widodo; Iswanto Iswanto
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4193

Abstract

Penelitian ini menganalisis pengaruh penggunaan tutup bak dan deflektor angin terhadap koefisien drag (Cd) pada truk menggunakan simulasi terowongan angin. Penelitian meliputi empat konfigurasi: truk tanpa modifikasi, truk dengan tutup bak, truk dengan deflektor angin, dan kombinasi keduanya. Variabel bebas meliputi jenis modifikasi dan kecepatan angin (7 m/s, 8,5 m/s, 10 m/s), sedangkan variabel yang terikat adalah nilai koefisien drag (Cd). Hasil percobaan menunjukkan bahwa kombinasi tutup bak dan deflektor angin memberikan penurunan Cd paling signifikan hingga 34% dibandingkan kondisi tanpa modifikasi, diikuti oleh penggunaan individu tutup bak (16%) dan deflektor angin (24%). Penurunan CD ini mengurangi gaya drag secara signifikan, meningkatkan efisiensi aerodinamika, serta mengurangi konsumsi bahan bakar. Dengan demikian, modifikasi ini direkomendasikan sebagai solusi praktis untuk meningkatkan efisiensi kendaraan niaga dan mendukung ekosistem.
Evaluasi Pemilihan Material pada Pemotong Kertas Manual Kapasitas Besar untuk Optimalisasi Desain Produk Lokal pada Komponen Pisau dan Rangka Iswanto Iswanto; Agung Budy Wijoyo; Mulyadi Mulyadi; A’rasy Fahruddin
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4424

Abstract

Penelitian ini mengkaji pemilihan material pada pemotong kertas manual kapasitas besar melalui pendekatan berbasis literatur dan data sekunder, dengan mengacu pada konfigurasi umum produk yang telah tersedia di pasaran. Fokus diarahkan pada analisis karakteristik teknis material dua komponen utama—pisau dan rangka—guna merumuskan rekomendasi desain produk lokal yang efisien, andal, dan tetap ekonomis. Analisis difokuskan pada perbandingan teknis material secara komparatif dan evaluasi multi-kriteria melalui weighted decision matrix. Hasil menunjukkan bahwa material seperti baja perkakas D2 dan SKD11, serta baja paduan rendah solid, memberikan performa unggul pada produk profesional, namun tidak efisien secara biaya untuk skala UMKM. Alternatif material seperti SK5 untuk pisau dan AISI 1020 untuk rangka dinilai mampu memberikan kompromi optimal antara performa teknis dan efisiensi biaya, dengan tetap mempertimbangkan ketersediaan lokal dan kemudahan manufaktur. Kajian ini memberikan kontribusi terhadap perancangan ulang pemotong kertas berbasis prinsip rekayasa material yang adaptif terhadap kebutuhan industri nasional skala kecil dan menengah.
Pengaruh Variasi Jarak Nosel dan Kecepatan Udara Inlet terhadap Tekanan dan Kecepatan Hisap pada Pompa Vakum Jet Ejector Arasy Fahruddin; Lukman Hudi; Bambang Surono; Mulyadi Mulyadi
TURBO [Tulisan Riset Berbasis Online] Vol 15 No 1 (2026): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v15i1.5104

Abstract

This study aims to analyze the effect of variations in nozzle spacing and inlet air velocity on the vacuum pressure and flow velocity distribution in a jet ejector vacuum pump. The method used is a numerical simulation based on Computational Fluid Dynamics (CFD) to obtain a detailed picture of the fluid flow characteristics in the system. The variations in nozzle spacing studied include 14 mm, 16 mm, and 18 mm, while the inlet air velocity is varied at 10 m/s, 15 m/s, and 20 m/s. The simulation results show that increasing the nozzle spacing tends to reduce the pressure on the venturi, thereby increasing the vacuum effect, with optimal conditions obtained at a distance of 18 mm and an inlet velocity of 10 m/s. Under these conditions, the pressure in the tube reaches the lowest value compared to other variations. However, increasing the inlet air velocity actually causes an increase in pressure in the tube due to turbulence and backflow, thereby reducing or even eliminating the vacuum effect at velocities of 15 m/s and 20 m/s. Overall, the performance of a jet ejector is greatly influenced by a combination of geometric and operational parameters.
Analisis Pengaruh Variasi Bentuk Sudden Enlargement terhadap Head Loss pada Aliran Udara Laminar Satria Agung Wibisono; Ali Akbar; A’rasy Fahruddin; Rachmat Firdaus; Muhammad Syahril
Jurnal Mesin Nusantara Vol 8 No 2 (2025): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v8i2.24788

Abstract

Fenomena sudden enlargement pada sistem perpipaan merupakan salah satu penyebab utama terjadinya head loss yang dapat menurunkan efisiensi aliran fluida. Penelitian ini bertujuan untuk menganalisis pengaruh variasi bentuk sudden enlargement terhadap kehilangan energi pada aliran fluida laminar dengan menggunakan tiga variasi geometri, yaitu Square Edge, Rounded Edge, dan Projecting Edge. Pengujian dilakukan pada pipa berbahan akrilik menggunakan manometer U sebagai alat ukur tekanan dengan dua titik pengukuran, masing-masing pada diameter 12,7 mm dan 50 mm. Dua tingkat laju aliran udara diuji, yaitu 6 L/menit dan 4 L/menit. Data tekanan yang diperoleh diolah untuk menghitung kecepatan aliran dan head loss menggunakan persamaan dasar fluida. Hasil penelitian menunjukkan bahwa bentuk geometri memiliki pengaruh signifikan terhadap besarnya head loss. Pada laju aliran tinggi (6 L/menit), geometri Square Edge menghasilkan head loss terendah, sedangkan Rounded Edge memberikan performa optimal pada laju aliran rendah (4 L/menit). Geometri Projecting Edge secara konsisten menghasilkan head loss tertinggi pada kedua kondisi. Temuan ini menunjukkan bahwa pemilihan geometri sudden enlargement harus disesuaikan dengan kondisi operasi sistem. Penelitian ini diharapkan dapat menjadi referensi dalam perancangan instalasi perpipaan yang lebih efisien dan mendukung optimasi energi pada sistem transportasi fluida.
Pressure Variation and Heat Transfer in Pokka 5001 Condenser: Perubahan Tekanan dan Perpindahan Panas pada Kondensor Pokka 5001 Rendy Rakhmad Fakhrizi; A’rasy Fahruddin; Mulyadi; Edi Widodo
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2100

Abstract

General Background Condensers play a crucial role in thermal systems by converting steam into liquid through heat transfer processes. Specific Background The performance of condensers is influenced by key parameters such as pressure, temperature, and fluid flow rate, particularly in finned tube systems. Knowledge Gap Previous studies have examined general condenser performance, but limited research has focused on Pokka 5001 type condensers with louvered fins under varying pressure conditions. Aims This study aims to analyze the efficiency and heat transfer rate of a Pokka 5001 condenser using pressure variations as the primary variable. Results Experimental results show that increasing pressure from 20 to 40 Psi leads to higher efficiency values, ranging from 73.17% to 89.68%, and improves heat transfer rate and fluid work. Additionally, higher flow rates contribute to increased heat transfer performance. Novelty This study provides experimental evaluation of a Pokka 5001 finned tube condenser with controlled pressure variation and airflow conditions. Implications The findings support better operational control of pressure and flow rate to maintain optimal condenser performance in thermal systems. Keywords: Condenser Pressure, Heat Transfer, Efficiency Analysis, Finned Tube, Thermal System Key Findings Highlights Efficiency increases consistently with rising operating pressure Flow rate growth correlates with higher thermal transfer performance Experimental data identify optimal operating conditions
Dough Mixer Machine Design Increases Cracker Production Capacity: Desain Mesin Pengaduk Adonan Meningkatkan Kapasitas Produksi Kerupuk Muhammad Anggie Cahya Saputra; Mulyadi; A’rasy Fahruddin; Edi Widodo
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2126

Abstract

General Background: Productivity and consistency are essential factors in food processing industries, particularly in small and medium enterprises. Specific Background: Manual dough mixing in cracker production often results in low efficiency and inconsistent product quality. Knowledge Gap: Limited studies focus on practical machine design that addresses both productivity and consistency in small-scale cracker production. Aims: This study aims to design and develop a dough mixer machine to improve production capacity and mixing consistency. Results: The developed machine demonstrates improved mixing performance, increased production capacity, and more uniform dough compared to manual processes. Novelty: The study presents a practical machine design tailored for small-scale industries with specific capacity considerations. Implications: The results provide a reference for implementing appropriate technology to support productivity improvement in small-scale food production. Keywords: Dough Mixer, Machine Design, Productivity, Small Industry, Food Processing Key Findings Highlights Mechanical system enables higher output compared to manual mixing Process uniformity improves through controlled rotation mechanism Design supports small-scale production requirements
Manufacturing Analysis of Banana Slicer Machine Capacity 59 kg Hour: Analisis Produksi Mesin Pengiris Pisang dengan Kapasitas 59 kg per Jam Nabil Azka Hanani; Mulyadi; Edi Widodo; A’rasy Fahruddin
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.2127

Abstract

General Background: Banana processing is an important agro-industrial activity in Indonesia, particularly for producing banana chips with consistent quality. Specific Background: Conventional manual slicing methods are inefficient and result in inconsistent thickness, limiting productivity and product quality. Knowledge Gap: Previous approaches have not fully integrated manufacturing process analysis with time, cost, and performance evaluation in a single machine design. Aims: This study aims to analyze the manufacturing process of a banana slicer machine with a capacity of 59 kg/hour, including time estimation, cost calculation, and performance testing. Results: The manufacturing process consists of cutting, drilling, welding, turning, and milling, resulting in a total production time of 29.63 hours and a total cost of Rp 5,058,262. Performance testing shows that the use of three blades produces the most consistent slice thickness of 2 mm with good quality output. Novelty: The study integrates detailed manufacturing time analysis, cost estimation, and performance evaluation within a single machine development framework. Implications: The findings provide practical guidance for improving production efficiency and product quality in small to medium-scale banana processing industries. Keywords: Banana Slicer, Manufacturing Process, Production Cost, Machine Performance, Agro-Industry Key Findings Highlights Total fabrication duration reached 29.63 hours with structured process stages Optimal blade configuration identified for uniform slice thickness Economic calculation established selling value with defined profit margin
Battery Discharge Characteristics in a Modified Electric Bicycle: Karakteristik Pengosongan Baterai pada Sepeda Listrik yang Dimodifikasi Arif Wisnu Isha Mahendra; A’rasy Fahruddin
Indonesian Journal of Innovation Studies Vol. 26 No. 3 (2025): July
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i3.2140

Abstract

General Background: The increasing use of petroleum-fueled transportation has intensified concerns regarding air pollution and the need for alternative energy-based mobility systems. Specific Background: Electric bicycles represent a practical short-distance transportation option, and battery performance becomes a critical factor in determining their operational capability. Knowledge Gap: Although electric bicycles are increasingly discussed, limited experimental studies directly compare dry batteries and wet batteries under different load and travel-distance conditions in simple electric bicycle modifications. Aims: This study aims to evaluate the power consumption characteristics of a modified electric bicycle by varying load and travel distance using dry and wet batteries. Results: Experimental testing was conducted using 50 kg and 60 kg loads over distances of 200 m, 300 m, and 400 m. The findings show that greater load and longer travel distance increased battery power consumption. For the dry battery, the lowest power consumption was 0.24 V at 50 kg and 200 m, while the highest was 0.97 V at 60 kg and 400 m. For the wet battery, the lowest value was 0.37 V at 50 kg and 200 m, while the highest reached 1.12 V at 60 kg and 400 m. Novelty: The study provides direct comparative experimental evidence of discharge behavior between dry and wet batteries in a simple modified electric bicycle under controlled load-distance variations. Implications: These findings contribute useful engineering insight for selecting battery types and operating conditions in small-scale electric bicycle development. Keywords: Electric Bicycle, Battery Performance, Power Consumption, Load Variation, Travel Distance Key Findings Highlights Higher load consistently increased electrical energy usage during operation. Longer travel routes produced greater voltage reduction in both battery types. Wet-cell storage showed the largest discharge under the heaviest testing condition.
Co-Authors Abdul Rosyid Abdullah Barafi, Keigen Achmad Febriyan Ikhsanudin Adi Irawan Aditya Pratama Afif Fakhruddin Agung Budy Wijoyo Agus Hermawanto Ahmad Ahfas Ahmad Bukhori Akhmad Ahfas Al Amien, Mochammad Sandi Alamsyah, Candra Firman Ali Akbar Ali Akbar Alifiana , Yesi Andika Tri Serviantyo Sukma Kusnadi Andre Fajariansyah Andrea Setiawan Andriani Eko Prihatiningrum Anggit Prastio Anom Isti , As’ad Araffi, Moh. Faisal Arif Wisnu Isha Mahendra Barafi, Keigant Abdullah Budiandari, Rahma Utami Dewanto, Dodik Hari Djatmiko Ichsani Edi Widodo Edi Widodo, Edi Efendi, Moch Miqdar Eko Prasetio Putro Eryandrie Wicaksono, Majdi Febriyan Ikhsanudin, Achmad Fernanda, Rexy Eca Fernando, Ekki Hardy Sujiatanti, Septia Herman Herman Herman Sugianto Heru Santoso iswanto Iswanto -, Iswanto Iswanto Iswanto Iswanto Iswanto Iswidiyanto, Vicky Iwan Hadi Suratno Izza Anshory Junggie Guko Armfirst Komarudin, Udin Lukman Hudi Luthfi Frans Setiawan Martoni Maulana, Achmad Bagas Moch Miqdar Efendi Mochamad Aldhy Saputro Alamsyah Mochamad Vicky Fadli Mochammad Sandi Al Amien Mohamad Hakam Muhammad Anggie Cahya Saputra Muhammad Ibrahim Muhammad Iqbal Nur Fadillah Muhammad Rizal Ma’arif Muhammad Syahril MULYADI Mulyadi Mulyadi Mulyadi Mulyadi Muslichah Erma Widiana Nabil Azka Hanani Nia Nuraeni Suryaman Nugroho, Wistyo Nugroho Nurrochman, Mochammad Pangestu, Eka Adji Prantasi Harmi Tjahjanti Prasetia, Adhita Purboyo, Prido Dwi Purgiantono, Purgiantono Puspawarna, Rangga Bayu Putro, Eko Prasetio R Dimas Adityo Rachmat Firdaus Rangga Bayu Rendy Rakhmad Fakhrizi Rexy Eca Fernanda Ribangun Bamban Jakaria Rico Ryan Ernanda Ridho Choirul Anam Rokhman, Fatori Royyan Firdaus Ryan Ernanda, Rico Saiful Bahri Satria Agung Wibisono Satria Candra Laksmana Sektiawan, Hadi Bagus Septian Firmansyah Sigit Hermawan Sulis Yulianto Surono, Bambang Suryaman, Nia Nuraeni Sutejo, Herman Therix Vernanda Rikmawan Wibisono , Satria Agung Wijoyo, Agung Budy Windarta Windarta Windarta, Windarta Yoyok Wahyudi Yudistira, Muhammad Dwi Andika Yulianto, Mochammad Yunus, Moh