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All Journal Jurnal Keteknikan Pertanian Teknika Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Teknologi Informasi dan Pendidikan Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Jurnal Riset Teknologi Industri Indonesian Journal of Applied Research (IJAR) Journal of Community Development TEKIBA : Jurnal Teknologi dan Pengabdian Masyarakat Mechanical Engineering for Society and Industry Automotive Experiences Jurnal Locus Penelitian dan Pengabdian JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Journal of Earth Energy Science, Engineering, and Technology PEKAT : Jurnal Pengabdian Kepada Masyarakat J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Energy: Jurnal Ilmiah Ilmu-ilmu Teknik
Andi Sanata
Department Of Mechanical Engineering, Faculty Of Engineering, University Of Jember, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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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.
STUDI NUMERIK KARAKTERISTIK PENGABUTAN BAHAN BAKAR DIESEL, BIODIESEL DAN CAMPURANNYA Hardiatama, Intan; Aziz, Muhammad Lutfi; Ilminafik, Nasrul; Sanata, Andi; Rosyadi, Ahmad Adib
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.907

Abstract

Biodiesel predicted to replace diesel fuel in the future that comes from the transesterification process of plant oils, animal fats, or used oils. One of the potential raw materials is nyamplung seeds because they are scattered in Indonesia, easy to cultivate, and bear fruit throughout the year [1]. The purpose of this study was to determine the effect of mixing pure diesel fuel and nyamplung biodiesel with the fuel composition B0, B20, B30, and B100 on the spray tip characteristics penetration, spray angle, and sauter mean diameter.This study focussed on simulation. The simulation method is carried out to predict the distribution and mean diameter of droplet using commercial fluent software. Fuel spray is carried out in free air with an injection pressure of 15 MPa, fuel temperature 28.2 ℃ and free air temperature 30.1 ℃. The spray process was taken at 6.25 ms and then the fuel spray characteristics were measured using the ImageJ application.The results of testing the fuel spray characteristics indicate that the amount of biodiesel content in the fuel is 20-100%. It can increase the length of spray tip penetration about 0.7-4.9%, a decrease in spray angle of 9.2-32.1% and the sauter mean diameter value increased by 20.1-84.6%. It caused by increasing the amount of biodiesel content in the fuel which results in an increase in the value of density, viscosity and surface tension of the fuel.
TRAINING ON HOW TO USE AND MAINTENANCE OF THE BATTERY SAFELY Kustanto, Muh. Nurkoyim; Ilminnafik, Nasrul; Sanata, Andi
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 6 No. 4 (2022): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v6i4.1395

Abstract

Batteries are devices for storing electrical energy into chemical energy. According to the Encyclopedia Britannica, a battery is an electrochemical cell that converts chemical energy directly into electrical energy. People who use batteries have various backgrounds. especially education, ranging from uneducated people to highly educated people. So that the general public needs to know how to use and care for batteries safely. So that this service activity is so that the community understands how to use and care for safe batteries and how to properly dispose of battery waste. The impact of this service activity is that the community can understand how to use and care for safe batteries and how to properly dispose of battery waste so as not to cause environmental damage.
Study of the Effect of NaOH Type Alkaline Catalyst on the Physicochemical Characteristics of Used Cooking Oil Biodiesel Dani, Dani Hari Tunggal Prasetiyo; Ilminnafik, Nasrul; Trifiananto, Muhammad; Sanata, Andi; Muhammad, Alief
Jurnal Keteknikan Pertanian Vol. 12 No. 3 (2024): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.012.3.393-408

Abstract

Dependence on fossil fuels causes significant environmental damage and increases costs and scarcity in the future. To overcome this problem, a transition to renewable energy is needed, one of which is biodiesel which can be obtained from used cooking oil. This study aims to convert used cooking oil that cannot be reused into biodiesel products. Biodiesel synthesis can be carried out by the transesterification process, using NaOH catalyst with concentration variations of 0.5%, 0.75%, 1%, 1.25%, and 1.5% of the total mass of oil. The test parameters are calorific value, density, viscosity and flash point as well as yield on used cooking oil biodiesel products. The test results show that the use of a catalyst concentration of 1% produces more optimal density, viscosity, and calorific value and flash point. Each value is 0.859 g / cm³, 2.34 cSt, 10,356 cal / g, and 139°C. However, the use of a catalyst concentration of 0.5% shows that the biodiesel product is less than optimal. This can be shown by the highest density, viscosity and flash point values of the catalyst concentration variations used. Each value is 0.88 g/cm3, 3.16 cSt and 178°C, while the calorific value is also low with a value of 9,689 cal/g. However, when viewed from the yield, the catalyst concentration of 0.5% produces the highest value of all catalyst concentration variations used with a value of 88%.
Pengaruh Variasi Temperatur Hidrolisis dan Waktu Fermentasi Terhadap Kadar Bioetanol Menggunakan Bahan Baku Limbah Kulit Singkong Cahyadi, Tedi Setiawan; Ilminnafik, Nasrul; Darsin, Mahros; Sanata, Andi; Hermawan, Yuni
Jurnal Locus Penelitian dan Pengabdian Vol. 4 No. 12 (2025): JURNAL LOCUS: Penelitian dan Pengabdian
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/locus.v4i12.4693

Abstract

Pertumbuhan penduduk meningkatkan kebutuhan akan bahan bakar. Hal ini berbanding terbalik dengan penurunan ketersediaan bahan bakar fosil. Oleh karena itu, pemerintah Indonesia bertujuan untuk meningkatkan bauran sumber energi terbarukan. Salah satu kemungkinannya adalah memanfaatkan limbah kulit singkong untuk diolah menjadi bioetanol. Salah satu langkah terpenting terfokus pada proses hidrolisis dan fermentasi. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh suhu hidrolisis dan waktu fermentasi terhadap hasil kadar etanol dengan melakukan pengulangan sebanyak 3 kali. Penelitian ini menggunakan variasi suhu hidrolisis dan waktu fermentasi dengan variasi suhu 90°C, 95°C, 100°C dan waktu fermentasi selama 3 hari, 5 hari dan 7 hari dengan melakukan pengulangan sebanyak 3 kali. Dari hasil penelitian hidrolisis dengan kadar gula reduksi tertinggi diperoleh pada sampel suhu 100°C mendapatkan nilai rata-rata kadar brix sebesar 31°Brix. Sedangkan kadar etanol tertinggi diperoleh pada suhu 100°C dengan waktu 7 hari pengulangan ke 3 memperoleh nilai sebesar 58% kadar etanol. Kesimpulan penelitian ini adalah peningkatan suhu hidrolisis dapat menaikan kadar gula reduksi karena mempercepat laju reaksi hidrolisis. Selain itu juga dapat membantu penguraian lignoselulosa karena lebih mudah terpapar enzim dan pengaruh dari waktu fermentasi semakin lama waktu fermentasi yang digunakan semakin tinggi pula kadar etanolnya karena ragi memiliki waktu lebih banyak untuk mengubah gula (glukosa, fruktosa) hasil hidrolisis kulit singkong menjadi etanol dan CO?.
Study of Viscosity and Density Changes of Waste Cooking Oil Biodiesel Due to Gradual Heat Treatment Dani Hari Tunggal Prasetiyo; Andi Sanata; Robertus Sidartawan; Muhammad Trifiananto; Asroful Abidin; Linda Kurnia Supraptiningsih
ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK Vol. 15 No. 1 (2025): ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK (January-May 2025 Edition)
Publisher : Universitas Panca Marga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51747/energy.v15i1.1511

Abstract

Biodiesel from used cooking oil is a renewable fuel for diesel engines that has the potential to be developed as a substitute for fossil fuels. However, the physical properties of biodiesel such as viscosity and density are affected by heat treatment. This will certainly affect engine performance, combustion quality and diesel engine efficiency. This study aims to analyze the heat treatment of used cooking oil biodiesel in stages with temperature values of 40°C, 50°C, 60°C, 70°C, and 80°C. Biodiesel is obtained from used cooking oil by a synthesis process using transesterification with ethanol and KOH catalyst. The results of the study were the viscosity and density values of used cooking oil biodiesel. The results showed that heat treatment of biodiesel reduced the viscosity and density values. The viscosity value continued to decrease along with the increase in the heating value from 4.52 cSt to 2.84 cSt. For the density value also decreased from 867 kg/m³ to 827 kg/m³. This study shows that heat treatment on biodiesel before use has the potential to improve atomization characteristics and fuel flow rates, so that combustion efficiency and diesel engine performance can be optimal.
Experimental Investigation of the Effect of Temperature on Biodiesel Production from Used Cooking Oil Prasetiyo, Dani Hari Tunggal; Ilminnafik, Nasrul; Sanata, Andi; Sholahuddin, Imam; Arbiantara, Hari; Dwilaksana, Dedi
Journal of Earth Energy Science, Engineering, and Technology Vol. 9 No. 1 (2026): JEESET VOL. 9 NO. 1 2026
Publisher : Penerbitan Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/2am28c76

Abstract

Used cooking oil is a waste product with great potential as a raw material for biodiesel production through transesterification. This study was conducted to determine the effect of transesterification reaction temperature on biodiesel yield and quality. The biodiesel production process includes a degumming step to remove gums by adding 1% H₃PO₄. This is then followed by transesterification using 1% NaOH as the catalyst, an oil-to-methanol ratio of 1:0.5, a stirring speed of 300 rpm, and a reaction time of 60 minutes. The transesterification reaction temperatures were 40°C, 50°C, 60°C, and 70°C. The results showed that the reaction temperature significantly affected the yield and physical quality of biodiesel. The highest yield was 85.85% at 40°C, while the lowest was 80.37% at 70°C. The maximum viscosity was observed at 60°C (6.0 cSt), and the minimum at 70°C (5.71 cSt). The highest density was 0.8620 g/mL at 50 °C, and the lowest was 0.8607 g/mL at 40 °C. The highest flash point was 40°C at 173.27°C, and the lowest was 70°C at 164.97°C. The results showed that the biodiesel produced met the quality standards of SNI 7182:2015, thus supporting its suitability as an alternative fuel derived from used cooking oil.
Pemanfaatan Limbah Daun Jati Kering dan Serbuk Gergaji Kayu sebagai Bahan Baku Arang Briket di Desa Bubulan Hery Indria Dwi Puspita; Gandu Eko Julianto Suyoso; Rudianto Rudianto; Andi Sanata; Ahmad Yasim
Journal of Community Development Vol. 4 No. 3 (2024): April
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v4i3.167

Abstract

The Bubulan Village has rich natural resources, one of which is high-quality teak trees contributing to the productivity of teak trees in Bojonegoro Regency. Despite its advantages, teak trees in Bubulan Village hold the potential for economically valuable waste, namely teak leaf waste accumulating in the forest area. Additionally, Bubulan Village is home to wooden furniture craftsmen, and every production process generates wood sawdust waste.This community service aims to empower the people of Bubulan Village in managing this waste through training on the utilization of dried teak leaf waste and wood sawdust as raw materials for charcoal briquettes. The service method begins with partner surveys, followed by reference studies and a simulation of the charcoal-making process by the team. Subsequently, tools for making charcoal briquettes (including the creation of a charcoal stove) are procured. The activities continue with outreach to showcase the potential of Bubulan Village, followed by training on the utilization of teak leaf waste and wood sawdust as raw materials for charcoal briquettes.Representatives from the youth organization (karang taruna), village officials, and 20 residents of Bubulan Village attended this community service. The outcomes of this service include an increase in participants' knowledge about charcoal briquettes made from dried teak leaves and wood sawdust by 49%. The designed and made charcoal stove by the service team functions well. Briquettes made from dried teak leaves ignite more easily but have a shorter burning duration compared to briquettes made from wood sawdust. Further testing is needed to determine the calorific value, ash content, and moisture content of these briquettes, as well as additional tests on the efficiency of the charcoal stove.Written in English with a distance between sentences of 1 space and the number of words between 150-250. The abstract should contain introductions, methods, results and discussions and conclusions (without citation). Avoid using citations in the abstract.
Characterization of Combustion in Cylindrical Meso-Scale Combustor with Wire Mesh Flame Holder as Initiation of Energy Source for Future Vehicles Andi Sanata; Nasrul Ilminnafik; Muhammad Maulana Asyhar; Hendry Y. Nanlohy; Franciscus Xaverius Kristianta; Imam Sholahuddin
Automotive Experiences Vol. 7 No. 1 (2024)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.10715

Abstract

The research aims to analyze and reveal combustion characteristics in a Cylindrical Meso Scale (CMS) Combustor with a wire mesh flame holder as a reference for designing a compact, efficient, and high-density energy source for future vehicles. This experiment analyzes the combustion ’s of a butane gas (C4H10)-air mixture in a cylindrical meso-scale (CMS) combustor with the addition of wire mesh flame holder on the stability of the combustion flame, as initiation of future vehicle energy source. The diameter of the CMS combustor with wire mesh flame holder is varied to give an idea of the effect of heat loss on the combustion flame's characteristics. The results show that the wire mesh as a flame holder is essential in the combustion stabilization mechanism. A stable flame can be stabilized in a CMS combustor with wire mesh. Variations in the diameter of the CMS combustor will result in variations in the surface-to-volume ratio, heat loss, and contact area of the wire mesh flame holder. At a large diameter, it produces the characteristics of a combustion flame with a more stable flame stability limit than a smaller diameter, a dimmer flame visualization than a smaller diameter at the same air and fuel discharge, a more distributed flame mode map area than the smaller diameter, lower flame temperature and combustor wall temperature than the smaller diameter, and relatively higher energy output than the smaller diameter.
Karakteristik spray diesel dan campuran biodiesel nyamplung pada ruang chamber dengan variasi temperatur ambient Lukman Hakim; Nasrul Ilminnafik; Gaguk Jatisukamto; Moh. Nurkoyim Kustanto; Andi Sanata
TURBO [Tulisan Riset Berbasis Online] Vol 11 No 1 (2022): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i1.1925

Abstract

Spray characteristics have an important role in improving the quality of combustion in compression engines. This study analyzes the effect of ambient temperature on spray characteristics including spray tip penetration, spray angle and velocity of spray. The research method uses an experimental method with ambient temperature variations of 60oC, 80oC, 100oC controlled using a thermocouple and an ambient pressure of 0.3 MPa. the composition of the fuel uses diesel (diesel 100%), B30 (30% biodiesel), B100 (100% biodiesel). Image recording using camera speed 480 fms. Based on the experimental results, the ambient temperature increases the spray angle and B100 at all ambient temperatures has a spray tip penetration, velocity of spray is lower.
Co-Authors Adhika Widyaparaga Adhitia Yanuar Pratama Adhitia Yanuar Pratama, Adhitia Yanuar Adinda Santi Nur Azizah Agus Triono Ahmad Adib Rosadi Ahmad Adib Rosyadi Ahmad Syuhri Alief Muhammad Aris Zainul Muttaqin Ariyo Anindito Artica Yunistira Asroful Abidin Aziz, Muhammad Lutfi Bibzi Bahar Rizqi Brayen Jovanda Cahyadi, Tedi Setiawan Clarissa Putri Sholeha Danang Yudistiro Dani Hari Tunggal Prasetiyo Dedi Dwilaksana Diva Auliana Djoko Sungkono Dwi Djumhariyanto Dwi Wahyu Hardiyanto Elvira Wahyu Arum Fanani Faiz Firdausi Faizah Ali Faqih Noval Feny Alfiatur Rohmani Feri Setya Putra Feri Setya Putra, Feri Setya Franciscus Xaverius Kristianta FX Kristianta Gaguk Jatisukamto Gandu Eko Julianto Suyoso Gandu Suyoso Ghaffar, Jakfat Maulid Gita Arisa Putri Hana Vernanda Hanifatun Nikmah Hansen Christian Sijabat Hari Arbiantara Basuki Hartawan Abdillah Hary Sutjahjono Helen Riupassa Hendry Y. Nanlohy Hery Puspita Hikmah Nur Ramadani Ilminafik, Nasrul Imam Rudi Sugara Imam Sholahuddin Imam Sholahuddin Imam Sholahuddin Imam Sholahuddin Indria Dwi Puspita, Hery Indro Pranoto Intan Hardiatama Jannah, Betriqil K.W., Robertoes Koekoeh Kustanto, Nurkoyim Linda Kurnia Supraptiningsih Listiyadi, Digdo Lukman Hakim Lukman Hakim M Edoward Ramadhan M. Thoriq Akbar Fauzi Mahros Darsin Mas Ahmad Baihaqi Masaki Yamaguchi Mebin Samuel Panithasan Mochamad Asrofi Moh. Nurkoyim Kustanto Mohammad Hartono Muhammad Akhlis Rizza Muhammad Dimyati Nashrullah Muhammad Kaka Gabriel Ilah Muhammad Katibi Vanhas Muhammad Maulana Asyhar Muhammad Sholihul Amin Nadilla Desty Ayu Nur Safitri Nashrullah, M. Dimyati Nasrul Ilminafik Nasrul Ilminnafik Nasrul Ilminnafik Naufal Fardio Albajili Nisak, Rima Zidni Karimatan Nurlaela Dwi Arum Fitriani Panithasan, Mebin Samuel Prabowo Restu Eranio Pratama Arianto Prayogo Alim Pangestu Puranggo Ganjar Widityo Rachmat Subagyo Rahma Rei Sakura Ramadhan, M Edoward Ricky Kurnia Yudistira Robertus Sidartawan Rozy, M. Fahrur Rudianto Salahuddin Junus Santoso Mulyadi Satworo Adiwidodo Selcuk Sarikoc Skriptyan Noor HS Solahuddin, Imam Stujanjono, Hary Sukma, Kinanti Wilujeng Sumarji Suyatno Suyatno Takuya Tomidokoro Trifiananto, Muhammad Trismawati Trismawati Wisnu Kuncoro Wiyono, Pandu Akbar Iqrofasya Wiyono Yasim, Ahmad Yudhistiro, Danang Yuni Hermawan