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All Journal FLYWHEEL : Jurnal Teknik Mesin Untirta POROS TEKNIK INTEKNA Jurnal Elemen Jurnal IMPACT: Implementation and Action Majamecha Scientific Journal of Mechanical Engineering Kinematika JTAM ROTARY Civitas Ministerium: Jurnal Pengabdian Kepada Masyarakat JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Accurate: Journal of Mechanical Engineering and Science Jurnal Mesin Nusantara Journal of Mechanical Engineering Automotive Experiences Jurnal Pengabdian Masyarakat Bhinneka Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Penelitian Rumpun Ilmu Teknik AutoMech : Jurnal Teknik Mesin Jurnal Foundry Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin
Sigit Mujiarto
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Tidar
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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ANALISIS MESIN ROTARY DRYER UNTUK PENGERINGAN BAHAN BAKU PELET REFUSE DERIVED FUEL (RDF) MENGGUNAKAN SOFTWARE SIMULATION ANSYS Dzikron Muchlisin; Arif Rahman Saleh; Sigit Iswahyudi; Sigit Mujiarto
Journal Foundry Vol. 7 No. 1 (2024): Journal Foundry
Publisher : Journal Foundry

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

Abstract

Badan Pusat Statistik Kota Magelang pada tahun 2018 menyatakan sebanyak 121.872 jiwa. banyaknya penduduk mempengaruhi mengakibatkan sampah yang semakin melonjak. Total jumlah volume sampah di Kota Magelang sebanyak 280,19m^3 dengan komposisi sampah RDF (Refuse Derived Fuel) sebesar 72,6%, sampah plastik sebesar 9,65%, dan sampah kertas 8,25% (BPS, 2016 dalam Kota Magelang Dalam Angka 2016). Mesin pengering “rotary dryer” ini bekapasitas 30 kg dengan silinder drum pengering berdimensi 90 cm X 60 cm serta memiliki ketebalan dinding 4 mm, dilengkapi saluran masuk, burner, blower, motor listrik 1 HP yang ditranmisikan dengan gear box, dan bahan bakar LPG. Berdasarkan hasil simulasi Ansys yang telah dilakukan dengan suhu 330°C pada Aluminium Alloy 6061 dengan kecepatan putar tabung 1100 rpm. Saluran masuk diatur dengan kecepatan 15 m/s dan dipengarungi gaya grafitasi 9,81 m/s setelah disimulasikan menghasilkan temperatur maksimum sebesar 330,0316 °C dan nilai minimum 30,638°C, kemudian untuk kecepatan velosity menghasilkan nilai minimal 72.65794 m/s dan nilai maksimum sebesar 142.2872 m/s. Hasil uji equivalent stress maximum (von mises) simulasi Finite Element Analysis (FEA) dengan tekanan yang didapatkan dari kapasitas 30 kg dan berat tabung pengering 30,25 kg. Sehingga hasil nilai von mises yang terjadi pada sebesar 0.32553 MPa.
Pengelolaan Sampah Hulu Berbasis Bank Sampah sebagai Strategi Pengurangan Tekanan TPSA Banyuurip: Studi Kasus Dusun Diwak, Desa Purwosari, Kabupaten Magelang Fachrizal, Muhammad Dian; Oktavia, Lisa; Ruswanto, Yofan Rasi Nusenda; Agustian, Damai; Prasetya, Jhunieva Eka; Atsnaa, Naila Tamaamil; Audika, Trya Mega; Setiyani, Slamet; Alansa, Adinda Maulida Putri; Prayudhi, Raihan Azmi; Mujiarto, Sigit
Jurnal Pengabdian Masyarakat Bhinneka Vol. 4 No. 3 (2026): Bulan Februari
Publisher : Bhinneka Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58266/jpmb.v4i3.1129

Abstract

Pengelolaan sampah di wilayah sekitar TPSA Banyuurip masih menjadi permasalahan lingkungan, termasuk di Dusun Diwak, Desa Purwosari. Sampah rumah tangga yang belum terkelola dengan baik menyebabkan peningkatan volume sampah yang dibuang ke TPSA. Artikel ini bertujuan untuk menggambarkan upaya pengelolaan sampah dari hulu melalui pembentukan bank sampah berbasis masyarakat. Metode yang digunakan adalah pendekatan kualitatif melalui kegiatan observasi, identifikasi masalah, sosialisasi pengelolaan sampah berbasis TPS3R, serta pendampingan pendirian dan pengelolaan bank sampah. Hasil kegiatan menunjukkan bahwa keberadaan bank sampah mampu meningkatkan kesadaran masyarakat dalam memilah sampah sejak dari rumah, mengurangi jumlah sampah yang dibuang ke TPSA, serta memberikan manfaat ekonomi bagi warga melalui sistem tabungan sampah. Selain itu, partisipasi dan kerja sama masyarakat dalam menjaga kebersihan lingkungan juga mengalami peningkatan. Dengan demikian, bank sampah dapat menjadi solusi sederhana dan berkelanjutan dalam pengelolaan sampah berbasis masyarakat.
Potensi Abu Limbah Insinerasi Plastik sebagai Filler untuk Material Arsitektural Nani Mulyaningsih Nani; Bagas Tri Suryanto; Imam Agus Wahyudi; Sigit Mujiarto; Arrizka Yanuar
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 2 (2026): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i2.4629

Abstract

Akumulasi sampah plastik merupakan salah satu tantangan utama dalam pengelolaan lingkungan perkotaan modern. Insinerasi telah banyak diterapkan sebagai metode untuk mengurangi volume sampah plastik; namun, proses ini menghasilkan abu residu yang hingga kini belum dimanfaatkan secara optimal. Penelitian ini bertujuan menganalisis potensi abu hasil insinerasi sampah plastik sebagai material pengisi (Filler) dalam campuran Paving blok untuk aplikasi arsitektural non-struktural. Pemanfaatan abu plastik ini diharapkan dapat menjadi solusi alternatif dalam mengurangi volume sampah plastik sekaligus meningkatkan sifat fisik dan mekanik material bangunan. Penelitian ini menggunakan variasi komposisi abu sebesar 10%, 15%, dan 20% dari berat semen. Metode penelitian meliputi karakterisasi abu, pembuatan spesimen Paving blok, serta pengujian ketahanan aus dan kuat tekan sesuai dengan Standar Nasional Indonesia (SNI) 03-0691-1996. Hasil penelitian menunjukkan bahwa peningkatan kadar abu hingga 15% memberikan performa paling optimal, dengan kuat tekan sebesar 18,6 MPa dan laju ketahanan aus sebesar 0,129 mm/menit. Temuan ini mengindikasikan bahwa abu hasil insinerasi plastik memiliki potensi signifikan sebagai material pengisi ramah lingkungan untuk aplikasi material arsitektural non-struktural.
DAMPAK SUHU PIROLISIS TERHADAP KARBON AKTIF DARI BUNGA PINUS UNTUK MATERIAL PENDUKUNG KATALIS FUEL CELL Pebi Riyanto; Trisma Jaya Saputra; Rany Puspita Dewi; Sigit Mujiarto; Raka Mahendra Sulistiyo
Scientific Journal of Mechanical Engineering Kinematika Vol 11 No 1 (2026): SJME Kinematika June 2026
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v11i1.868

Abstract

The high cost and limited durability of platinum-based catalysts remain major challenges for the large-scale commercialization of fuel cell. Therefore, alternative and more affordable catalyst support materials are needed. Biomass derived activated carbon offers a promising solution due to its porous structure, good electrical conductivity, and abundant raw material availability. This study aims to investigate the potential of Pinus merkusii pine cones as a precursor for activated carbon through pyrolysis and chemical activation using potassium hydroxide (KOH), as well as to evaluate its suitability as a fuel cell catalyst support material. Pyrolysis was conducted at temperatures of 400ºC, 600ºC, and 800ºC under a nitrogen inert atmosphere, followed by chemical activation. The resulting activated carbon was characterized using proximate analysis and Brunauer-Emmett-Teller (BET) analysis. The results indicate that increasing the pyrolysis temperature led to a reduction in biochar yield, moisture content, ash content, and volatile matter, while consistently enhancing the fixed carbon content and specific surface area. The optimal condition was achieved at a pyrolysis temperature of 800ºC, producing activated carbon with the highest fixed carbon content of 81.87%, a specific surface area of 42.83 m2/g, and a mesoporous structure with an average pore diameter of 3.23 nm. Nevertheless, the obtained specific surface area remains below the ideal value (>100 m²/g) for application as a fuel cell catalyst support, indicating that the synthesized material still requires further optimization in both the process and activation conditions.
RANCANG BANGUN TUNGKU PADA ALAT INSINERATOR Alma Fadlillah; Sigit Mujiarto; Suyitno
ELEMEN : JURNAL TEKNIK MESIN Vol. 13 No. 1 (2026)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v13i1.370

Abstract

The accumulation of waste has become a serious issue in Indonesia due to limited landfill space and the lack of an effective waste management system. One alternative solution is the use of an incinerator as an environmentally friendly waste-burning device. This study aims to design and construct the combustion chamber of an incinerator and to test its effectiveness on three types of organic waste variations: dry, wet, and mixed. The method used is a design and build approach, which includes designing with AutoCAD and SketchUp, constructing the physical structure, and conducting combustion tests. The results show that the chamber can accommodate 2–3 kg of waste per batch and can reach a maximum temperature of up to 110°C. The fastest burning time was achieved with dry waste at 16 minutes and 21 seconds, with a combustion rate of 1.95 grams/second. This incinerator, with its simple design and low cost, is effective in reducing waste volume and produces ash that can be used as fertilizer. It is hoped that this incinerator can be widely adopted by communities to help address the waste problem.
RANCANG BANGUN GRATE PADA ALAT INSINERATOR Faisal Asnan; Sigit Mujiarto; Suyitno
ELEMEN : JURNAL TEKNIK MESIN Vol. 13 No. 1 (2026)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v13i1.374

Abstract

Waste is a major issue in Indonesia, with production exceeding 67 million tons annually. One effective method for waste treatment is combustion using an incinerator. This study aims to design and build a grate as an additional component to improve the efficiency of the combustion process in an incinerator. The designed grate consists of three main parts: a manual actuator, a drying staircase, and a combustion chamber. The design was created using AutoCAD and SketchUp software, and experiments were conducted using three types of waste: dry, wet, and mixed. The test results show that the addition of the grate accelerates the combustion process and enhances user safety. The highest combustion rate was achieved with dry waste at 2.95 grams/second, followed by wet waste (2.50 grams/second), and mixed waste (2.10 grams/second). The grate also helps reduce moisture content before the waste enters the combustion chamber, contributing to smoke reduction and improved combustion efficiency. This design is expected to offer a practical and efficient solution for small to medium-scale waste management.
Peningkatan Keterampilan dan Kompetensi Siswa SMK dalam Menghadapi Era Revolusi Industri 4.0 melalui Pelatihan 3D Printing Sigit Mujiarto; Ikhwan Taufik; Muhammad Ja'far Ahsinul Rokhmat; Nurbaity Khoirun Nissa; Mohammad 'Ulyan
JURPIKAT Vol 6 No 4 (2025)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/jurpikat.v6i4.2801

Abstract

The Industrial Revolution 4.0 requires Vocational High Schools (SMK) to master key technologies such as 3D Printing. SMK Negeri 1 Windusari, the service partner, faces technology gaps, characterized by limited equipment and a lack of practical (hands-on) knowledge regarding FDM 3D Printing. The objective of this service is to enhance the knowledge and understanding of students, teachers, and lab assistants regarding 3D Printing (Additive Manufacturing) as a core pillar of Industry 4.0. The methodology involved integrating knowledge transfer and practical skills (learning by doing) using FDM machines. The service emphasized a participatory and community-driven relevance approach. Evaluation was conducted quantitatively using pre-test and post-test comparisons. Results showed a significant increase in competence, with the participants’ average score rising from 50.67 to 74. This strengthens the competence of the Machining Engineering Department, preparing adaptive graduates in the field of Additive Manufacturing.
Simulasi CFD Pengeringan Maggot dengan Microwave Oven Berbasis Software Comsol Multiphysics Wahid Nur Huda; Arif Rahman Saleh; Sigit Mujiarto
Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Vol. 3 No. 5 (2025): September : Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/jupiter.v3i5.1049

Abstract

Black Soldier Fly (BSF) larvae, or maggots, are a type of insect currently widely cultivated, primarily for animal feed. This is because BSF larvae contain essential nutrients such as fat and protein in high amounts, thus improving the nutritional quality of livestock that consume them. Therefore, the processing and preservation of maggots is crucial to maintain their nutritional content and extend their shelf life. One method used in maggot processing is drying. Drying aims to reduce the water content in the larvae, thereby preventing the growth of microorganisms that cause spoilage. One widely applied technique is drying using a microwave oven. However, before the actual process is carried out, simulations are often required to determine the distribution of heat and humidity. Simulation is one of the most effective ways to predict the drying performance of biological materials. This study used a simulation using the Computational Fluid Dynamics (CFD) method operated by Comsol Multiphysics 6.2 software. The parameters used in the simulation were an initial maggot temperature of 80°C, a drying time of 15 minutes, and a heat source of 1300 W/m³. Based on the simulation results, the final water content of the maggots was below 10%. Furthermore, the final relative humidity of the maggots ranged from 10–35%, while the final temperature of the larvae increased to 93–97°C. These results indicate that microwave drying can effectively reduce moisture content while maintaining the nutritional quality of BSF larvae. These simulation results can be used as a basis for practical maggot drying processes, thus supporting the production of efficient and nutritious animal feed.  
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Ghofur Abdul Rozaq Abdul Rozaq Agustian, Damai Ahmad Rifqi Shulkhan Akbar, Alvin Nurfaiz Akhmad Syarief Alansa, Adinda Maulida Putri Alfi Ferizqo Munawar Alfiansyah, Irsyad Ali Suhadla Alma Fadlillah Arif Rahman Saleh Arif Rahman Saleh Armansyah, David Ari Arrizka Yanuar Atsnaa, Naila Tamaamil Audika, Trya Mega Bagas Tri Suryanto Bagus Lutfiwijaya Bambang Sudarmanta Bambang Sudarmanta, Bambang Catur Pramono Dewi, Rany Puspita Dzikron Muchlisin Endang Mawarsih Fachrizal, Muhammad Dian Fadlan, Mokhamad Roif Faisal Asnan Fakhri Iqbal Maulana Galih Sigit Setiadi Gyani Ubaydillah Hamzah Fansuri Hardinto, Raden Kelik Heri Soedarmanto Heri Soedarmanto, Heri Husen Khalwani Ibnu Maliq, Muhamad Noa Imam Agus Wahyudi Imam Maolana Kun Suharno Kun Suharno Kurniawan Setyo Anggoro Kurniyawan, Dwi Listyanda, R. Faiz Maolana, Imam Maolana, Imam Mohammad 'Ulyan Muhammad Firdaus Jauhari Muhammad Firdaus Jauhari, Muhammad Firdaus Muhammad Ja'far Ahsinul Rokhmat Muhammad Kasim Muhammad Kasim Muhammad Zaki Mujiarto, Trisma Jaya Murdjani Murdjani Murdjani, Murdjani Murdjani, Murdjani Nani dkk. Mulyaningsih Nani Mulyaningsih Nani Nazarudin Rif’at Rasyidi Noriansyah, Tandhu Bizaq Nur Hayati Nurbaity Khoirun Nissa Oktavia, Lisa Pebi Riyanto Prasetya, Jhunieva Eka Prayudhi, Raihan Azmi PRIYANTO, JOKO Raden Kelik Hardinto Rahayu, Yunita Rahman Saleh, Arif Raka Mahendra Sulistiyo Rany Puspita Dewi Rany Puspita Dewi Riswan Yunida Riswan Yunida, Riswan Ruswanto, Yofan Rasi Nusenda Salim, M. Faiz Setiyani, Slamet Siana, Nezar Azali Sigit Iswahyudi Sigit Joko Purnomo Sri Widodo Suliono Suliono Suliono Suliono Suyitno Suyitno Suyitno Taufik, Ikhwan Teguh Suprianto Teguh Suprianto Tri Retno Setiyawati Trisma Jaya Saputra Trisma Jaya Saputra Wahid Nur Huda Yosian Bagas Mahendra Febriansyah