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All Journal Jurnal Keteknikan Pertanian Teknika Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN Journal of Mechanical Engineering Science and Technology 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 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
Andi Sanata
Staf Pengajar Jurusan Teknik Mesin Fakultas Teknik Universitas Jember
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation

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Pengaruh Laju Alir Udara Terhadap Produktifitas Syngas Gasifikasi Biomassa Kulit Kopi Wiyono, Pandu Akbar Iqrofasya Wiyono; Stujanjono, Hary; Sidartawan, Robertus; Listiyadi, Digdo; Rozy, M. Fahrur; Sanata, Andi; Sholahuddin, Imam; Nashrullah, M. Dimyati
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 7 No 01 (2025): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v7i01.147

Abstract

Indonesia's natural resources, such as coffee hulls in Jember Regency, are potential sources of biomass raw materials that can be processed into biomass energy. Gasification is the process of converting solid fuels into combustible gases (CO, CH4, H2) through a heating process with minimal air conditions. This research focuses on the effect of air flow rate on the syngas productivity of coffee husk biomass gasification. It was found that higher air flow rate produces higher syngas content. The highest syngas composition with the highest LHV value was obtained by the 40 SCFH air flow rate variation with an LHV value of 141.7 kJ/mol.
Combustion Characteristics of Biodiesel Droplets from Nyamplung Seeds with Eggshell Catalyst Using PLX-DAQ Software Sukma, Kinanti Wilujeng; Sanata, Andi; Jatisukamto, Gaguk; Kustanto, Nurkoyim; Darsin, Mahros
Jurnal Teknologi Informasi dan Pendidikan Vol. 18 No. 1 (2025): Jurnal Teknologi Informasi dan Pendidikan
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtip.v18i1.829

Abstract

The purpose of this study was to determine the effect of eggshell catalyst (CaO) on the combustion characteristics of nyamplung oil biodiesel droplets (Calophyllum inophyllum L) on flame visualization, ignition delay, and temperature. At present, Indonesia still uses fossil fuels, namely diesel. However, over time there are alternative fuels using palm oil raw materials. However, palm oil is also used as a source of food so that it will have an impact on the scarcity of palm oil. In this study, we looked for alternative energy using nyamplung seeds (Calophyllum inophyllum L.) with catalyst weight variations of 1%, 3% and 5%. The tested droplet volume of 1 ml was placed in a type K thermocouple. The results of this study showed that the percentage of catalyst weight increased temperature and shortened ignition delay. The highest temperature and lowest ignition delay were found at a variation of 5% with the highest temperature of 679.5 °C and ignition delay of 3000 ms.
Boiling Heat Transfer Coefficient and Critical Heat Flux on Conical Cylindrical Copper under Surface Modification Nashrullah, Muhammad Dimyati; Sanata, Andi; Solahuddin, Imam; Ilminnafik, Nasrul; Pranoto, Indro; Widyaparaga, Adhika
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025p126

Abstract

This study examined how surface roughness and nanoceramic coating, influences the boiling heat transfer coefficient (BHTC) and critical heat flux (CHF) of a conical cylindrical copper test specimen. Three test specimens exhibiting surface roughness of 0.22 µm, 0.14 µm, and 0.04 µm were analyzed for comparison. Two additional test specimens were treated with nanoceramic coatings utilizing silicon carbide as the base material: one specimen received a single-layer coating and the second was applied with a double-layer coating. The behavior of the bubbles was closely observed with a high-speed camera to deepen the analysis. The experimental results showed that the test specimen with higher surface roughness exhibited higher BHTC and CHF. The 0.22 µm surface roughness specimen demonstrated a 55.69% greater BHTC than the 0.04 µm surface roughness specimen. In contrast, the 0.04 µm surface roughness specimen had the lowest CHF, 426.09 kW/m². Nanoceramic coating also enhanced the BHTC and CHF. The specimen with a single-layer coating had the highest BHTC, 40.81% higher than the uncoated specimen. The specimen with a double-layer coating showed a 60.12% increase in CHF compared to the specimen with a single-layer coating. The bubble observation results indicated that test specimens with higher BHTC and CHF had more active nucleation sites. The quantity of active nucleation sites plays a vital role in producing a large number of bubbles, enhancing heat transfer, and maintaining the surface temperature.
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%.
Pemanfaatan Teknologi Tepat Guna Untuk Diversifikasi Produk Olahan Jagung dalam Rangka Mendukung Pemberdayaan Kelompok PKK Desa Bubulan Bojonegoro Puspita, Hery; Suyoso, Gandu; Rudianto; Sanata, Andi; Arianto, Pratama
Journal of Community Development Vol. 6 No. 2 (2025): Desember
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/comdev.v6i2.1493

Abstract

Desa Bubulan yang terletak di Kabupaten Bojonegoro, Jawa Timur. Desa Bubulan adalah sebuah daerah yang dikenal sebagai daerah produsen tanaman pangan yang memiliki potensi tinggi. Terdapat dua panganan yang menjadi andalan didaerah ini yaitu padi dan jagung, desa Bubulan memiliki sumbangsi terbesar dalam penghasil jagung dengan presentasi 3,90%. Walaupun Desa Bubulan unggul dalam produksi jagung, masyarakatnya belum memanfaatkannya secara optimal. Sebagian besar masih terbatas pada penjualan biji jagung mentah, meskipun jagung memiliki potensi untuk diolah menjadi produk dengan nilai ekonomis yang lebih tinggi. Tujuan utama program ini adalah mendukung peningkatan keterampilan kelompok PKK dalam mengolah biji jagung menjadi produk bernilai ekonomis dengan memanfaatkan teknologi tepat guna. Hal ini bertujuan untuk membentuk atau mengembangkan masyarakat yang mandiri guna mempercepat pencapaian SDGs di tingkat desa. Metode pengabdian ini diawali dengan survei mitra, penyuluhan potensi desa Bubulan dan pelatihan pembuatan produk jagung menggunakan teknologi tepat guna. Kegiatan ini di hadiri oleh 20 ibu-ibu PKK desa Bubulan.dengan adanya kegiatan pengabdian ini didapatkan beberapa hal yaitu: adanya peningkatanpengetahuan peserta tentang potensi desa dan manfaat dari pengolahan produk jagung sebesar 34,5%: produk yang dibuat dalam pengabdian ini adalah marning, tortila, dan stik jagung; Sebagai bagian dari pemasaran, peserta diajarkan cara membuat akun di marketplace online untuk memasarkan produk secara digital.
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?.
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.
Co-Authors Adhika Widyaparaga Adhitia Yanuar Pratama Adhitia Yanuar Pratama, Adhitia Yanuar Ahmad Adib Rosadi Ahmad Adib Rosyadi Ahmad Syuhri Alief Muhammad Arianto, Pratama Aris Zainul Muttaqin Ariyo Anindito Aziz, Muhammad Lutfi Cahyadi, Tedi Setiawan Clarissa Putri Sholeha Dani Hari Tunggal Prasetiyo Dedi Dwilaksana Djoko Sungkono Dwi Djumhariyanto Faiz Firdausi Feri Setya Putra Feri Setya Putra, Feri Setya FX Kristianta Gaguk Jatisukamto Gandu Eko Julianto Suyoso Ghaffar, Jakfat Maulid Hari Arbiantara Basuki Hari Arbiantara, Hari Hary Sutjahjono Helen Riupassa Hendry Y. Nanlohy Hery Indria Dwi Puspita Ilminafik, Nasrul Imam Rudi Sugara Imam Sholahuddin Indro Pranoto Intan Hardiatama Jannah, Betriqil Koekoeh KW, Robertoes Kustanto, Muh. Nurkoyim Kustanto, Nurkoyim Listiyadi, Digdo Lukman Hakim M Edoward Ramadhan M Nurkoyim Kustanto Mahros Darsin Masaki Yamaguchi Mochamad Asrofi Moh. Nurkoyim Kustanto Mohammad Hartono Muhammad Akhlis Rizza Muhammad Dimyati Nashrullah Muhammad Katibi Vanhas Muhammad Sholihul Amin Muhammad Trifiananto Nashrullah, M. Dimyati Nasrul Ilminafik Nasrul Ilminnafik Naufal Fardio Albajili Nisak, Rima Zidni Karimatan Panithasan, Mebin Samuel Prabowo Restu Eranio Prayogo Alim Pangestu Puranggo Ganjar Widityo Puspita, Hery Rachmat Subagyo Rahma Rei Sakura Ramadhan, M Edoward Robertus Sidartawan Rozy, M. Fahrur Rudianto Rudianto Rudianto Salahuddin Junus Santoso Mulyadi Satworo Adiwidodo Selcuk Sarikoc Skriptyan Noor HS Solahuddin, Imam Stujanjono, Hary Sukma, Kinanti Wilujeng Sumarji Suyatno Suyatno Suyoso, Gandu Takuya Tomidokoro Trifiananto, Muhammad Trismawati Trismawati Wiyono, Pandu Akbar Iqrofasya Wiyono Yasim, Ahmad Yudhistiro, Danang Yuni Hermawan