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All Journal Jurnal Ilmiah Teknologi dan Rekayasa Teknik Mesin "TEKNOLOGI" Jurnal Rekayasa Mesin JTM-ITI (Jurnal Teknik Mesin ITI) Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Infotekmesin Prosiding Seminar Nasional Teknik Mesin Jurnal Energi dan Teknologi Manufaktur Jurnal Inovasi Penelitian Jurnal Mekanik Terapan Industrika : Jurnal Ilmiah Teknik Industri Journal of Energy, Material, and Instrumentation Technology Journal International Inspire Education Technology (JIIET) JURNAL POLI-TEKNOLOGI Jurnal PADE: Pengabdian & Edukasi Jurnal Teknik Terapan (J-TETA) Indonesian Journal of Physics (IJP) Jurnal Geosains West Science Jurnal Polimesin Recent in Engineering Science and Technology International Journal of Science and Society (IJSS) Jurnal Studi dan Aplikasi Teknik Sipil (JSATS) Jurnal Mesin dan Manufaktur
Kamal, Dianta Mustofa
Politeknik Negeri Jakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Veterinary

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Measurement of Oxygen Concentration in Static and Flowing Liquid Pb-Bi by Using Zirconia Based Sensor Adhi, Pribadi Mumpuni; Kamal, Dianta Mustofa; Muslimin, Muslimin; Vilcu, Andrei; Kondo, Masatoshi; Takahashi, Minoru
Indonesian Journal of Physics Vol 31 No 1 (2020): Vol 31 No 1 (2020)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (632.205 KB) | DOI: 10.5614/itb.ijp.2020.31.1.1

Abstract

Liquid Lead-Bismuth Eutectic (LBE) has been proposed as one of the coolant for the Generation IV nuclear reactor. However, the oxygen should be controlled adequately to suppress the corrosion rate of the LBE. A device called oxygen sensor made of zirconia as solid electrolyte has been used to monitor the oxygen concentration online in order to control the oxygen concentration. The principle of this sensor is based on electrochemistry method where the difference oxygen activitiy between reference electrode (RE) and working electrode (in liquid LBE) can make potential difference. The potential difference is measured by electrometer and can be converted into oxygen concentration based on Nernst equation. Iron (Fe)/Magnetite (Fe3O4) was used as material for RE in this study. Measurement of oxygen concentration was conducted at 450 - 600°C for the static condition of LBE and around 390°C for the dynamic condition of flowing LBE. The oxygen concentration for both two experiment conditions were set in oxygen saturated condition of Pb-Bi. The oxygen sensor based on zirconia solid electrolyte with Fe/Fe3O4 as RE can measured the oxygen concentration in liquid LBE. The results showed that the measurement was agreed with the Nernst equation theoretical calculation.
Efektivitas pelatihan partisipatif dalam peningkatan kompetensi mekanik pompa air: Studi Percontohan di Kabupaten Bandung Adhi, Pribadi Mumpuni; Belyamin, Belyamin; Susanto, Iwan; Rahman, Haolia; Kamal, Dianta Mustofa; Pramono, Agus Edy; Nufus, Tatun Hayatun; Sukusno, Paulus; Nidhar, Ainun; Ramadhan, Mochammad Tendi Noer
Jurnal PADE: Pengabdian & Edukasi Vol 7, No 2 (2025): Oktober
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v7i2.2794

Abstract

Farmers’ skills in maintaining water pumps remain limited, although these skills are essential for sustaining agricultural production. This study is presented as a pilot study aimed at assessing the effectiveness of participatory training in improving the knowledge, skills, and attitudes of water pump mechanics. The study involved nine mechanics under the guidance of UPTD ALSINTAN Dinas Pertanian Kabupaten Bandung, each representing one of nine affiliated areas. Evaluation was conducted using pre-test and post-test instruments with 20 items on a five-point Likert scale, analyzed descriptively without inferential statistics. The initial findings indicated an increase in the overall mean score from 3.55 to 4.78, with the largest improvements observed in skills (+46.27%) and knowledge (+39,83%). These results suggest improvements in competence, although they remain exploratory. The main limitations of this study are the small sample size and reliance on self-reported measures. Further studies with larger samples and stronger designs are recommended.
Perbandingan Kontrol Temperatur menggunakan Relay dan PID pada Oven Pengering berbasis Load Cell untuk Mengukur Kadar Air Buah Nidhar, Ainun; Belyamin, Belyamin; Prasetya, Sonki; Kamal, Dianta Mustofa
Jurnal Rekayasa Mesin Vol. 20 No. 1 (2025): Volume 20, Nomor 1, April 2025
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v20i1.6135

Abstract

Pengeringan merupakan metode pengawetan yang digunakan untuk mengurangi kadar air pada makanan, memperpanjang masa simpan, dan menjaga kualitas produk. Penelitian ini membandingkan performa kontrol relay dan PID pada oven pengering berbasis load cell untuk mengukur kadar air buah secara otomatis sesuai Standar Nasional Indonesia (SNI). Pendekatan ini bertujuan meningkatkan efisiensi waktu dan akurasi proses pengeringan tanpa perlu penimbangan sampel secara manual. Metode penelitian melibatkan penggunaan oven pengering dengan load cell untuk membaca perubahan massa buah selama pengeringan. Arduino sebagai pengendali utama, thermocouple untuk memantau temperatur, dan mosul HX711 melalukan proses data massa. Dua skema kontrol temperatur uji relay dan PID dengan mode PI, dengan temperatur ditetapkan 105˚C. Hasil menunjukkan bahwa kontrol relay tidak mampu menjaga kestabilan temperatur akibat sifat on/off-nya yang tidak presisi. Sebaliknya, kontrol PID mode PI memberikan kestabilan temperatur dengan toleransi ±1˚C dengan rise time 2,43 menit, settling time 29,025 menit. Sistem diuji menggunakan buah mangga hingga massa stabil dengan laju penguapan rata-rata 1g/menit dan kadar air akhir mencapai 80,95%. Kontribusi penelitian ini terletak pada pengembangan sistem alat ukur kadar air berbasis evaporasi yang terintegrasi dengan load cell dan kontrol suhu otomatis, memungkinkan pengukuran kadar air secara real-time dan non-destruktif. Sistem ini berpotensi diterapkan dalam laboratorium maupun sektor industri yang membutuhkan pengukuran kadar air bahan secara efisien, presisi, dan berkelanjutan.
Optimalisasi Desain Reaktor Fotokatalitik untuk Degradasi Formaldehida Menggunakan Substrat Stainless Steel Mesh Dewi, Renita; Adhi, Pribadi Mumpuni; Nufus, Tatun Hayatun; Kamal, Dianta Mustofa
Jurnal Teknik Terapan Vol. 4 No. 1 (2025): April
Publisher : P3M Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Indoor air quality (IAQ) plays a crucial role in the health and comfort of building occupants, where pollutants like formaldehyde can cause serious health issues. To reduce formaldehyde levels, photocatalytic oxidation (PCO) technology using titanium dioxide (TiO2) substrates has been shown to be effective. This study aims to optimize the PCO system design using TiO2-coated stainless steel mesh substrates in a honeycomb monolith reactor configuration to enhance formaldehyde degradation efficiency. Three variations of stainless steel mesh layers (5, 10, and 15 layers) were tested to evaluate their impact on formaldehyde (HCHO) concentration reduction. The results indicated that increasing the number of mesh layers significantly improved the formaldehyde degradation efficiency. The highest efficiency, 96.06%, was observed with 15 layers, compared to 74.67% with 5 layers and 83.19% with 10 layers. The increase in mesh layers enlarged the surface area of the substrate, enhancing the reaction area and interaction between pollutants and the photocatalyst. This study suggests using more than 10 layers of stainless steel mesh in the PCO system design to achieve optimal performance in formaldehyde pollutant reduction. The findings are expected to contribute significantly to improving indoor air quality, particularly in areas exposed to pollutants such as cigarette smoke.
The Impact Of Introducing Brown Gas Into The Incoming Air Flow On The Performance Of An Internal Combustion Engine Wahyu, Mujahid; Susilo, Sugeng Hadi; Kamal, Dianta Mustofa
Jurnal Polimesin Vol 22, No 1 (2024): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i1.4575

Abstract

The increase in the number of motorized vehicles has led to challenges in maintaining environmental air quality, combustion efficiency, and the sustainability of fossil fuels. An innovative solution to address these issues is the utilization of brown gas. This study aims to investigate the impact of introducing brown gas into the incoming air flow on the performance of an internal combustion engine. The brown gas flow rate varies based on the gas production rate resulting from variations in the addition of NaOH (10 g/l, 20 g/l, and 30 g/l) to every 1 liter of water in the generator. Gas production rates are measured using a flow meter. The influence of brown gas on gasoline engine performance is assessed through power testing with a chassis dyno test engine and exhaust emissions testing with a gas analyzer. The findings reveal that the highest flow rate of brown gas is achieved with the addition of 30 g/l NaOH during the electrolysis process. Introducing brown gas into the incoming air flow can increase maximum engine power by 15.5% and reduce CO exhaust emissions by 23.37%.
ANALISIS RISIKO KERUSAKAN PADA MESIN PEMBUAT PELET IKAN LELE Ramasandi Rifan Yogiantoro; Dianta Mustofa Kamal
Jurnal Mema (Jurnal Mesin dan Manufaktur) Vol. 2 No. 2 (2025): Oktober 2025
Publisher : Indie Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66865/spk1et70

Abstract

This study aims to analyze the potential risk of failure in a horizontal-type catfish pellet-making machine using the Failure Mode and Effect Analysis (FMEA) method. The analysis is conducted theoretically based on machine design principles, material characteristics, and operational load. The approach aims to evaluate design weak points, identify potential failure modes, and propose recommendations for improving component reliability. The main components analyzed include the driving motor, gearbox, screw shaft, cutting blade, heater, and frame. Results indicate that the screw shaft and driving motor have the highest Risk Priority Number (RPN) values, indicating potential failures due to excessive torque load and unstable thermal conditions. Design improvements are recommended, including the use of wear-resistant materials such as AISI 4140 steel, improved motor cooling systems, and optimized screw geometry. The findings are expected to contribute to the development of more reliable and efficient pellet-making machine designs.
ANALISIS DISTRIBUSI SUHU DAN EFISIENSI TERMAL PADA OVEN PENGERING LISTRIK KAPASITAS 3 KG Ridho Fadhil Romadhon; Dianta Mustofa Kamal
Jurnal Mema (Jurnal Mesin dan Manufaktur) Vol. 2 No. 2 (2025): Oktober 2025
Publisher : Indie Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66865/cv6dhr78

Abstract

This study aims to analyze the temperature distribution and thermal efficiency of a 3 kg capacity electric drying oven used for drying elephant ginger (Zingiber officinale var. officinarum). The oven model was designed using SolidWorks 2020, then a Computational Fluid Dynamics (CFD)-based thermal analysis was performed using ANSYS Fluent 2021. This oven design refers to the hybrid oven model from Hutajulu's research [21]. Simulations were carried out at an operating temperature of 60°C to determine the heat distribution pattern, air flow, and heat transfer efficiency between oven components. The simulation results showed that the average temperature of the drying chamber ranged from 55–60°C with a maximum deviation of 5°C and a thermal efficiency of 76.63%. Compared to traditional drying methods which take 3–11 days and depend on the weather [3], this electric oven is able to reduce the moisture content of elephant ginger from 80–85% to below 10% in just 7–9 hours. With high temperature stability and energy efficiency, this oven is considered more hygienic, fast, and effective for application in the biopharmaceutical plant-based home industry.
Analisis Kritis Kegagalan Kapasitas Mesin Pencacah PET 1 Mata Pisau: Diagnosis Inefisiensi Mekanis pada Laporan Capstone Design Maytasha Gusly Putri; Dianta Mustofa Kamal
Jurnal Mema (Jurnal Mesin dan Manufaktur) Vol. 2 No. 2 (2025): Oktober 2025
Publisher : Indie Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66865/fzrmrz42

Abstract

Penelitian ini melakukan diagnosis kritis terhadap data uji riil yang dipublikasikan dalam Laporan Capstone Design [7]. Mesin tersebut, yang menggunakan 1 pisau statis, dirancang untuk target kapasitas 200 gr/menit dan beroperasi pada putaran poros 46.6 RPM. Hasil uji riil menunjukkan kegagalan masif, hanya menghasilkan 60.24 gr/menit 30.12% dari target). Data ini membuktikan bahwa inefisiensi mekanis yang parah terjadi meskipun RPM poros relatif tinggi. Diagnosis ini dikonfirmasi oleh laporan itu sendiri: "penyangkutan pada mata pisau" karena desain 1 pisau. Sebagai bukti solusi komparatif untuk mengatasi inefisiensi ini, data Mesin Baru (4 Mata Pisau, [4]) dianalisis, yang menghasilkan 227.33 gr/menit pada putaran yang lebih rendah 30 RPM. Perbandingan ini menunjukkan bahwa faktor jumlah pisau meningkatkan kapasitas 3.77 kali lipat dan merupakan variabel dominan yang harus dioptimalkan.
Perancangan Perforasi Unik Pada Kemasan Botol Minuman Melalui Pendekatan User-Centered Design Qonita, Syidda; Kamal, Dianta Mustofa; Kusumantoro, Heribertus Rudi
Industrika : Jurnal Ilmiah Teknik Industri Vol. 10 No. 2 (2026): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/9bddnx36

Abstract

Innovation Innovations in beverage packaging design currently focus on enhancing user experience, sustainability, and brand identity. However, conventional beverage packaging often fails to fully meet the needs for ease of opening, visual appeal, and new experiences sought by users, particularly younger consumers. Additionally, technical elements such as perforations have not been optimally utilized to enhance product interaction and aesthetic value. Therefore, this research is necessary to address these issues. Through a User-Centered Design (UCD) approach, this study identifies the needs and preferences of young users in the Jakarta metropolitan area, particularly in terms of ease of opening, visual appeal, and the new experiences offered. The design process began with a needs survey, followed by the development of a banana beverage bottle prototype incorporating a perforation system resembling the process of peeling a banana. An evaluation using the User Experience Questionnaire (UEQ) with 70 respondents revealed that all measured aspects—attractiveness, clarity, efficiency, accuracy, stimulation, and novelty—received positive impressions. These results confirm the effectiveness of UCD in producing innovative, user-friendly packaging designs that align with user expectations. Keywords: Bottle Packaging, Innovation, Perforation, UCD, User Experience (UX)
PERANCANGAN SISTEM OTOMATISASI PEMBUANGAN SAMPAH RUMAHAN BERBASIS ARDUINO Teguh Fitriyanto; Dianta Mustofa Kamal
Jurnal Mema (Jurnal Mesin dan Manufaktur) Vol. 3 No. 1 (2026): April 2026
Publisher : Indie Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66865/j8cbxk64

Abstract

Tempat sampah otomatis berbasis Arduino adalah inovasi teknologi yang dirancang untuk meningkatkan kebersihan dan kenyamanan dalam membuang sampah. Sistem ini menggunakan sensor ultrasonik untuk mendeteksi keberadaan objek atau tangan pengguna dalam jarak tertentu, yang kemudian memicu motor servo untuk membuka tutup tempat sampah secara otomatis tanpa perlu kontak fisik. Setelah sampah dibuang, tutup akan menutup kembali secara otomatis setelah jeda waktu tertentu. Dengan menggunakan Arduino sebagai otak, sensor ultrasonik sebagai mata, dan servo sebagai aktuator—serta dengan bantuan program yang sesuai—produk ini menjadi produk yang siap pakai. Pentingnya desain mekanis dan desain elektronik menjadi kunci utama keberhasilan produk ini dalam bekerja.
Co-Authors Abdul Aziz Assayuti Adhi, Pribadi Mumpuni Adi Syuriadi Agustinus Herwibawanto Ahmad Indra Siswantara Ainun Nidhar, Ainun Almahri, Alif Fiqih Aminudin Zuhri Andi Tenri Abeng Ardhali, Zaelan Muhammad Asep Apriana Bayu Prasetio Belyamin Belyamin Buka, Sisilia Prima Yanuaria Candra Damis Widiawati Candra Damis Widiawaty, Candra Damis Dela siska Dewi, Renita Elliot, McCarty Ghany Heryana Gun Gun R Gunadi Gun Gun R Gunadi, Gun Gun R Gunadi, Gun Gun Ramdlan Hasan, Herry Patria Iman Setyadi Ing-Song Yu Irfan Hermansyah Saputra Iwan Susanto Jusafwar Kondo, Masatoshi Kusumantoro, Heribertus Rudi Machfud Priyo Utomo Malik, Miftahul Fahrizal Nur Maytasha Gusly Putri Muhammad Fadli Muhammad Raihan Abimanyu Muslimin Muslimin Nadiah Tsabitah Nainggolan, Benhur Nayla Nazneen Noor Hidayati Nur Ani Paulus Sukusno Pramono, Agus Edy Qonita, Syidda Rahman, Haolia Ramadhan, Mochammad Tendi Noer Ramasandi Rifan Yogiantoro Ramdana Ajie Satria Randi Firmansyah Ridho Fadhil Romadhon Rindi Antika Jubaedah Rofii, Agus Rosidi Siregar, Isrina Sonki Prasetya Susilo, Sugeng Hadi Takahashi, Minoru Tatun Hayatun Nufus Teguh Fitriyanto Tita Rosalina Tjahyono, Seto Vilcu, Andrei Wahyu, Mujahid Windu Asri Mumpuni Xavier, Murphy Yana Priyana Yasmin Alifya Azfari Yenik Pujowati