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All Journal R.E.M (Rekyasa Energi Manufaktur) Jurnal JMM (Jurnal Masyarakat Mandiri) STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Journal of Community Development TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat Mechanical Engineering for Society and Industry RESPINARIA: Jurnal Pengabdian Kepada Masyarakat
Muhammad Dimyati Nashrullah
Program Studi Sarjana Teknik Mesin, Fakultas Teknik, Universitas Jember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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Pengaruh Panjang Api Dan Sudut Injeksi Terhadap Produktivitas Mesin DC Thermal Plasma Dalam Pembuatan Nano Partikel Alumina Indra Surya Iwanata; Gaguk Jatisukamto; Muhammad Dimyati Nashrullah; Mahros Darsin; Ahmad Syuhri
STATOR: Jurnal Ilmiah Teknik Mesin Vol 5 No 2 (2022): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

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Abstract

Nanoparticles are particles that have a size of nm and a size range of 1-100 nano. These particles are formed by the DC Thermal Plasma method. This study utilizes a 70 ampere DC Plasma cutting machine as a plasma flame. The combustion process is carried out in a reactor tube, and the material processed is Aluminum powder (Al) with a purity of 92.5%. The input mass of Aluminum powder is injected at 5gram. Burning process (15 seconds). The particles attached to the reactor wall are sucked in with the help of a vacuum pump then collected on the filter tube. The material is measured by mass using a digital scale. Analysis of the data used is using the Taguci L27 method. The parameters used in this study are injection angle with 3 variations (45 °, 60 °, 90 °) and fire length with 3 variations (2.31 cm; 3.87 cm; 4.28 cm). The contribution of machining parameters in the manufacture of alumina nanoparticles is significant, namely the injection angle parameter has a contribution of 37% and a fire length parameter of 4.2%. The results of the study are generally influenced by the injection angle. The optimum injection angle is 45 ° with an average of 3.56 grams and the least productivity is the injection angle parameter 90 ° which is equal to 2.17 grams The conclusion of the study is that the greater the material injection bend angle the less productivity of DC Thermal Plasma devices as well vice versa.
Power Enhancement of Monocrystalline Solar Panel with Passive Cooling Trifiananto, Muhammad; Hardiatama, Intan; Zainul Muttaqin, Aris; Edoward Ramadhan, Mochamad; Jatisukamto, Gaguk; Dimyati Nashrullah, Muhammad; Al Wafi, Adib
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 9 No 1 (2024): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v9i1.1688

Abstract

The need for energy every year both in the domestic and global increases. Indonesia's energy needs are predicted to increase by 5% each year. Indonesia has renewable energy potential from solar, hydropower, wind, and geothermal sources. The potential of new renewable energy amounted to 442 GW. Of the 442 GW, the greatest potential is owned by 207 GW of solar energy. The high potential of solar energy in Indonesia is because Indonesia is located in the tropics which experiences sunshine time of approximately 6-8 hours per day and the sun continues to shine throughout the year. However, the length of irradiation also has an impact on increasing the temperature of solar panels. The higher the temperature of the solar panel, the output power will decrease and the life of the solar panel is reduced. The use of passive cooling from reference has a lower efficiency increase than active cooling. However, its installation requires lower costs, minimal maintenance, and no additional power requirements. This research will use 20WP monocrystalline solar panels with three cooling variations, namely: 1) with the addition of a thin aluminum plate and Vortex generator 2) By giving a tub of water under the panel 3) the Addition of aluminum fin. The three variations are compared with solar panels without cooling. The results on the first day showed a decrease in temperature of 2.30C with aluminum fin and an increase in power of 6.97% when using a water container. On the second day, a temperature decrease of 2.90C and a power increase of 5.81% when using aluminum fin coolers were recorded.
Comprehensive analysis of tar reduction method in biomass gasification for clean energy production: A Review Prasetiyo, Dani Hari Tunggal; Sanata, Andi; Sholahuddin, Imam; Nashrullah, Muhammad Dimyati; Nanlohy, Hendry Y.; Panithasan, Mebin Samuel
Mechanical Engineering for Society and Industry Vol 4 No 3 (2024): Special Issue on Technology Update 2024
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12712

Abstract

Biomass gasification is a promising renewable energy technology for the production of synthetic gas (syngas), consisting of hydrogen (H₂), carbon monoxide (CO), and methane (CH₄). This technology's primary challenge is tar formation – a heavy hydrocarbon compound that can block equipment, poison catalysts, and deteriorate syngas quality. Therefore, this study aimed to examine different tar reduction methods to support clean energy production through biomass gasification. To achieve this aim, two main approaches were adopted and the first was in-situ, focusing on modifying gasifier design and adjusting operational parameters. The second was ex-situ, which included catalytic reforming, thermal cracking, and plasma technology. The analysis also assessed different catalysts, such as biochar, and dolomite, as well as nickel- and iron-based materials, comparing their efficiency, sustainability, and economic viability. Several key factors influenced tar formation and reduction, namely feedstock type, operating temperature, air ratio, and reactor configuration. The result showed that combining in-situ and ex-situ technologies had substantial potential to significantly reduce tar, improve syngas quality, and optimize system performance. However, some challenges observed were reduced catalyst efficiency, high energy costs, and the need for more sustainable technologies. To improve the performance of gasification systems, this study provided information on catalyst development, operational parameter optimization, and plasma technology integration. Finally, the analysis provided a scientific basis and strategic recommendations to overcome tar problems and encourage the commercial use of biomass gasification towards a clean energy transition.
PENERAPAN POMPA TENAGA SURYA DAN TEKNOLOGI PEMANTAUAN KUALITAS TANAH BERBASIS IOT BAGI PETANI DURIAN Muhammad Dimyati Nashrullah; Muhammad Trifiananto; Danang Yudistiro; Muh. Asnoer Laagu; Dedi Dwilaksana; Bahrul Ulum; Rafli Bima Ardiansyah; M. Firmansyah Putra Pradana; Faiqal Malik
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 1 (2025): Februari
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i1.28501

Abstract

Abstrak: Kabupaten Jember merupakan salah satu daerah penghasil durian terbanyak di Jawa Timur. Naik turunnya produksi durian diantaranya dipengaruhi oleh ketercukupan air dan kadar keasaman tanah di perkebunan durian. Rumah Durian Jember, merupakan mitra pengabdian yang bergerak dalam bidang pertanian dan penjualan durian premium dengan jumlah karyawan sebanyak 11 orang. Tujuan pengabdian ini adalah mengatasi permasalahan pengairan perkebunan mitra dengan cara penerapan pompa tenaga surya dan alat pemantau kualitas tanah berbasis IoT. Pengabdian ini juga bertujuan meningkatkan kemampuan mitra dalam pengoperasian dan perawatan peralatan melalui pelatihan. Dilakukan pula pelatihan SEO media sosial dan pembuatan website untuk peningkatan branding Rumah Durian Jember. Evaluasi pelaksanaan pengabdian dilakukan dengan cara pemberian kuisioner yang memuat sembilan pertanyaan. Hasil kuisioner evaluasi menunjukkan seluruh anggota mitra merasakan manfaat dan peningkatan kemampuan dari pemberian dan pelatihan pompa tenaga surya dan alat pemantau kualitas tanah berbasis IoT. Selain itu, 91,67% anggota mitra merasakan manfaat dan peningkatan kemampuan dari pelatihan SEO media sosial. Hasil evaluasi juga menunjukkan sebanyak 91,67% anggota mitra setuju untuk dilakukan pendampingan lanjutan.Abstract: Jember Regency is one of the largest durian-producing regions in East Java. The fluctuation in durian production is influenced, among other factors, by the adequacy of water supply and the soil acidity levels in durian plantations. Rumah Durian Jember is a community service partner engaged in agriculture and premium durian sales with 11 employees. This study aims to address the irrigation issues faced by the partner’s plantation by implementing, training on the operation, and providing maintenance training for solar-powered pump equipment and IoT-based soil quality monitoring tools. Additionally, social media SEO training and website development were conducted to improve Rumah Durian Jember's branding. The evaluation of the service implementation was carried out through a questionnaire containing nine questions. The results of the evaluation questionnaire showed that all members of the partner organization benefited from and improved their skills through the provision and training on solar-powered pumps and IoT-based soil quality monitoring devices. Moreover, 91,67% of the members benefited from the social media SEO training. The evaluation also revealed that 91,67% of the members agreed to continue receiving further assistance.
Analisis Performa Mesin Pengayak Pasir Zeolit Jenis Rotary Dengan Variasi Sudut Kemiringan & Variasi Kecepatan Putaran Wildan, Muhammad; Hermawan, Yuni; Nashrullah, Muhammad Dimyati; Syuhri, Ahmad; Sidartawan, Robertus; Kristianta, FX
STATOR: Jurnal Ilmiah Teknik Mesin Vol. 8 No. 1 (2025): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

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Abstract

Pengayakan merupakan proses pengelompokan suatu butiran yang akan dipisahkan menjadisatu atau beberapa kelompok. Salah satu jenis pasir yang membutuhkan sebuah prosespengayakan ialah pasir zeolit. Mesin pengayak pasir dibagi beberapa type salah satunya yaitutype rotary atau berputar. Dalam penelitian ini, akan menciptakan performa terbaik mesinpengayak pasir zeolit type rotary dengan menentukan parameter variasi sudut kemiringan dankecepatan putaran yang tepat pada tabung pengayak. Variasi yang telah ditentukan akanberpengaruh terhadap lama waktu proses pengayakan dan hasil pengayakan pasir zeolit. MetodeTaguchi digunakan untuk mengoptimalkan variasi yang digunakan berupa matriks orthogonalL9 (32). Berdasarkan hasil penelitian ini sudut kemiringan dan kecepatan putaran berpengaruhsignifikan terhadap lama waktu proses pengayakan dan hasil pengayakan pasir zeolit dengannilai persen kontribusi sebesar 17,72% dan 45,18% terhadap lama waktu pengayakaan,sedangkan untuk hasil pengayakan dengan nilai kontribusi 39,33% dan 33,45%. Maka prosespengayakan pasir terbanyak didapat pada variasi sudut 10° dan 28 rpm menghasilkan hasilsaringan pasir halus zeolit 6,70 kg dengan waktu 256,6 sec dan hasil lama waktu pengayakantercepat didapat pada variasi sudut 20° dan 61 rpm menghasilkan waktu pengayakan 198,3 secdengan hasil berat pasir halus 2,67 kg. Sehingga hasil penelitian ini bisa sebagai alternatifpemilihan variasi parameter pada proses pengayakan pasir zeolit menggunakan mesin pengayaktype rotary.Kata Kunci: mesin pengayak, rotary, pasir zeolit, sudut, kecepatan
Sosialisasi dan Pelatihan Pemanfaatan Limbah Kulit Kopi sebagai Sumber Energi Alternatif bagi Gabungan Kelompok Tani di Kecamatan Silo, Kabupaten Jember: Socialization and Training on Utilizing Coffee Husk Waste as an Alternative Energy Source for Farmer Groups in Silo Subdistrict, Jember District Nashrullah, Muhammad Dimyati; Sanata, Andi; Sholahuddin, Imam; Sugara, Imam Rudi; Prasetyo, Dani Hari Tunggal
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 8 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i8.9097

Abstract

The Silo subdistrict is one of the coffee-producing villages, with a production amounting to more than 40% of the total coffee production in Jember Regency. The coffee processing produces coffee husk waste, which is often discarded into the environment and potentially causes pollution. Coffee husk waste has a high calorific value and is suitable for use as biomass fuel to produce syngas through gasification methods. The partner for this community service is GAPOKTAN Suka Maju, located in Pace Village, Silo Subdistrict, Jember Regency. GAPOKTAN Suka Maju is led by Mr. Zainal Arifin, who has 30 members. This community service aims to provide knowledge to GAPOKTAN Suka Maju members about the environmental impact of coffee husk waste disposal and the utilization of coffee husk waste as an energy source through gasification methods. The community service method consists of pre-activities, activity implementation, and evaluation. The pre-activities include designing the gasification equipment, making the gasification equipment, and drying the coffee husk waste. The implementation consists of socializing the environmental impact of coffee husk waste disposal, the energy potential of coffee husk waste, and training in gasification equipment. The results show a significant increase in the participants' understanding of the environmental impact of coffee husk waste disposal, the energy potential of coffee husk waste, and the gasification method and equipment to convert coffee husk waste into fuel.
Training on Solar Cell Technology as a Solar Power Plant in Graha Citra Mas Housing Estate Kaliwates, Jember Muhammad Nurkoyim; Nasrul Ilminnafik; Muhammad Dimyati Nashrullah; Muhammad Izzuddin Al Haq
RESPINARIA : Jurnal Pengabdian Kepada Masyarakat Vol. 1 No. 1 (2024): June 2024
Publisher : PT Katersi Minar Permata

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Abstract

Energy needs are increasing but on the other hand the availability of petroleum reserves as conventional energy is running low, this forces humans to look for alternatives to energy. Indonesia as a country with a relatively good tropical climate in the duration of the sun shines. This matter is a potential to answer the need for alternative energy to replace petroleum, namely solar light or the sun. By utilizing solar panels, solar cells simply consist of a connection of p and n type semiconductor materials which when exposed to sunlight will occur electron flow, from this flow is referred to as electricity or converting solar radiation into electricity. In an effort to educate and serve a number of lecturers from the Department of Mechanical Engineering, University of Jember, held a service located in RT 04 / RW021 Graha Citra Mas Housing, Tegal Besar Village, Kaliwates District, Jember Regency, with the aim of understanding the community regarding Solar Cell Technology as a Solar Power Plant (PLTS). The service runs with the delivery of material and continued by emphasizing discussion and question and answer. With the results of the service felt illustrated and enlightened from the material and answers that the speaker conveyed.
Pelatihan Perawatan Solar Cell Untuk Menjaga Unjuk Kerja Pembangkit Listrik Tenga Surya (PLTS) Muh. Nurkoyim Kustanto; Nasrul Ilminnafik; Muhammad Dimyati Nashrullah; Haidzar Nurdiansyah
Journal of Community Development Vol. 5 No. 1 (2024): August
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v5i1.201

Abstract

The increasing demand for energy and the depletion of oil reserves are forcing humans to seek alternative energy sources. Therefore, the need for alternative electrical energy sources arises, namely, by utilizing solar panels. The importance of understanding how solar panels work and their maintenance becomes a determining factor in ensuring the optimal performance of Solar Photovoltaic (PV) Systems. Lack of knowledge and awareness about maintenance can result in decreased efficiency and lifespan of solar panels. Users of Solar Photovoltaic (PV) Systems are also expected to understand its maintenance procedures. Thus, the implementation of this community service activity aims to educate the public and enable them to maintain Solar Cells as Solar Photovoltaic (PV) Systems. This activity is carried out by providing direct training on PV system maintenance, both theoretically and practically. The impact of this community service activity is that the community can understand and maintain Solar Cells as Solar Photovoltaic (PV) Systems, as evidenced by the evaluation results where the understanding of the training participants falls into the category of very knowledgeable, which is 80.88%.
Pelatihan Pemanfaatan Syngas Gasifikasi Limbah Kulit Kopi Menjadi Energi Listrik di Kecematan Silo Muhammad Dimyati Nashrullah; Andi Sanata; Imam Sholahuddin; Dani Hari Tunggal Prasetiyo; Elvira Wahyu Arum Fanani; Dwi Wahyu Hardiyanto; Faizah Ali; M. Thoriq Akbar Fauzi; Ricky Kurnia Yudistira; Brayen Jovanda; Muhammad Kaka Gabriel Ilah; Faqih Noval
TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat Vol. 6 No. 2 (2026): TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat (Mei)
Publisher : Fakultas Teknik, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/tekiba.v6i2.8017

Abstract

Jember Regency is a major coffee producer in East Java with high production volumes; however, the coffee processing activities generate large quantities of coffee husk waste that remain underutilized. The target partner, GAPOKTAN Suka Maju in Pace Village, Silo Sub-district, sells the waste at very low prices and lacks knowledge of gasification technology to convert it into electrical energy. This community engagement program aimed to raise awareness of the environmental impact of indiscriminate coffee husk disposal and to provide training on converting syngas from gasification into electricity. The service method consisted of pre-activity, implementation, and evaluation stages. Pre-activities included improvement, modification of the gasification equipment, and drying of the coffee husk waste. The implementation stage consisted of socialization and training on the use of the equipment. The modified gasifier is capable of producing up to 1020 watts of electricity at an air discharge of 40 SCFH. The success of the modified gasifier in generating electricity was demonstrated by a light that turn on after being connected to the system. The demonstration was successfully carried out to showcase the potential for converting coffee husk waste into electrical energy. In the evaluation stage, a questionnaire consisting of 10 questions was administered, followed by interviews. The activity was attended by 19 members of the GAPOKTAN. After the program, the partner gained new knowledge, a practical experience in operating the equipment, and opportunity to utilize coffee husk waste as an alternative energy source. Evaluation results showed a very high acceptance rate, with 95.8% positive responses. Furthermore, the participants experienced an increase in understanding, from an average of 47.37% before the program to an average of 86.87% after the program. In conclusion, the program successfully enhanced the partner’s insight and awareness, but ongoing technical assistance is required to maximize technology adoption.
Characteristics of syngas combustion resulting from coffee husk biomass waste gasification process: Overview of automotive fuel alternatives Andi Sanata; Imam Sholahuddin; Muhammad Dimyati Nashrullah; Hendry Y. Nanlohy; Mebin Samuel Panithasan
Mechanical Engineering for Society and Industry Vol. 4 No. 2 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12590

Abstract

The production of syngas from coffee husk biomass waste as a raw material offers significant potential as an alternative automotive fuel source through the gasification process, considering the abundant resources available. Therefore, this study aimed to characterize the physical properties of the fuel initially, in order to observe the differences in these properties after the fuel underwent Ultra Fine Bubble treatment. The objective was to analyze the combustion characteristics of syngas derived from coffee husk biomass waste, to develop a sustainable alternative to fossil fuels for automotive applications. The results showed that with increasing air discharge, the concentration of CO and Hâ‚‚ gases in gasified syngas increased while the concentration of CH4 decreased. Additionally, higher air discharge resulted in lower tar content, higher flame temperature, higher flame height visualization, and higher generator power output as a review of the feasibility of alternative automotive fuels.
Co-Authors Adhika Widyaparaga Ahmad Syuhri Al Wafi, Adib Andi Sanata Aris Zainul Muttaqin Bahrul Ulum Brayen Jovanda Danang Yudistiro Dani Hari Tunggal Prasetiyo Dedi Dwilaksana Dwi Wahyu Hardiyanto Edoward Ramadhan, Mochamad Elvira Wahyu Arum Fanani Faiqal Malik Faizah Ali Faqih Noval Gaguk Jatisukamto Haidzar Nurdiansyah Hendry Y. Nanlohy Imam Rudi Sugara Imam Sholahuddin Imam Sholahuddin Imam Sholahuddin Indra Surya Iwanata Indro Pranoto Intan Hardiatama Kristianta, FX M. Firmansyah Putra Pradana M. Thoriq Akbar Fauzi Mahros Darsin Mebin Samuel Panithasan Moh. Nurkoyim Kustanto Muh Asnoer Laagu Muhammad Izzuddin Al Haq Muhammad Kaka Gabriel Ilah Muhammad Nurkoyim Muhammad Wildan Nasrul Ilminnafik Nur Widodo Panithasan, Mebin Samuel Rafli Bima Ardiansyah Ricky Kurnia Yudistira Robertus Sidartawan Solahuddin, Imam Trifiananto, Muhammad Yuni Hermawan