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All Journal Rotasi Jurnal Keteknikan Pertanian BERKALA SAINSTEK SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Rekayasa Mesin INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Journal of Energy, Mechanical, Material and Manufacturing Engineering JMM (Jurnal Masyarakat Mandiri) STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Abdi Insani Jurnal Difusi Energy: Jurnal Ilmiah Ilmu-ilmu Teknik
Trifiananto, Muhammad
Department Of Mechanical Engineering, University Of Jember, 68121, Indonesia
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Effect of airflow rate and honeycomb channels addition on the efficiency of bagasse-fuelled top-lit updraft (TLUD) gasification stove Clarissa Putri Sholeha; Muhammad Trifiananto; Mahros Darsin; Andi Sanata; Imam Sholahuddin; Ariyo Anindito
Journal of Energy, Mechanical, Material, and Manufacturing Engineering Vol. 9 No. 1 (2024)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v9i1.31776

Abstract

The use of Liquefied Petroleum Gas (LPG) fuels has increased over time and has triggered the innovation of renewable fuels that do not affect the environment. This renewable fuel is biomass. Biomass is derived from organic materials of plants or animals that can be used as fuel. The conversion of biomass into thermal energy using gasification stoves can increase thermal efficiency up to twice that of conventional biomass combustion. Common stoves that use nowadays is Top-Lit Updraft (TLUD) gasifier that easy to optimize. This type of gasifier has a simple design and can be fuelled with any type of biomass with a water composition of less than 20%. Gasification stoves have so far been developed using various biomass fuels, one of which is bagasse waste. Bagasse is also easy to obtain in Indonesia because it has an abundant number of quantities. In addition to the fuel aspect, the ability of the gasification stove to produce good thermal efficiency depends on the stove design, such as stove type, stove dimensions, and combustion airflow rate. It is tested with the water boiling test method using variations of airflow rate of 2 m/s, 3.5 m/s, 5 m/s, and 6.5 m/s and honeycomb channels addition. As a result, it reached 30% thermal efficiency.
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.
OPTIMASI PARAMETER PEMESINAN BUBUT DENGAN VARIASI MEDIA PENDINGIN DAN KECEPATAN SPINDEL TERHADAP KEKASARAN PERMUKAAN BAJA AISI 1045 Pratama, Aly Wafa; Djumhariyanto, Dwi; Trifiananto, Muhammad; Yudistiro, Danang; Arbiantara, Hari; Ilminafik, Nasrul
STATOR: Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2023): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

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Abstract

The machining process is a process used in the manufacturing industry, the machining process itself has become an important part of the manufacturing industry since the industrial revolution era. In the machining process that is widely used to produce cylindrical products, namely the lathe process. One of the main factors of the quality of processed materials is surface roughness. MQL is a method of providing coolant in the industry which has the function of lowering temperature and reducing friction between the tool and the workpiece. The problem that often occurs in the industrial world, especially manufacturing in the turning process, is the mismatch of the surface roughness of the turning results. Where one of the causes of the roughness results to be inappropriate is the machining parameters that are not adjusted and the high temperature of the workpiece that rubs against the tool during the turning process. Therefore, it is necessary to optimize the machining parameters and coolant used in order to obtain efficient machining parameters and coolant that produces low roughness. The purpose of this study was to determine the effect of variations in the spindle speed parameter and the composition of the coolant mixture, namely clogged oil, dromus and water on the surface roughness value of AISI 1045 steel. From the experiments conducted it was stated that the optimum level of each parameter for surface roughness was level 3 spindle speed 585 rpm and level 3 composition of the coolant mixture 30% clogged oil : 20 dromus : 50% water. The parameter that has a significant effect on the value of surface roughness is the spindle speed.
ANALISA PROSES PENGELASAN GESEK PADA PENYAMBUNGAN BAJA AISI 1010 DAN AISI 1050 DENGAN VARIASI WAKTU DAN PUTARAN SPINDEL MENGGUNAKAN MESIN BUBUT Andana, Himawan D; Hermawan, Yuni; Sakura, Rahma Rei; Trifiananto, Muhammad; Hentihu, M Fahrur Rozy
STATOR: Jurnal Ilmiah Teknik Mesin Vol 6 No 2 (2023): JURNAL STATOR
Publisher : Jurusan Teknik Mesin

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Abstract

The development of the welding process in the current era is growing, especially in terms of components of building construction tools and machines. Friction welding is included in the type (solid state) or without filler metal (filler) in the process, the compressive force can be utilized from the friction obtained between the two workpieces to carry out the joining process. Friction welding is a solution to overcome problems that are difficult to solve using fusion welding, friction welding can be applied to two dissimilar metals while other welding methods are almost impossible. The purpose of this study was to analyze the friction welding process on AISI 1010 and AISI 1050 steel joints with variations in welding time and spindle rotation using a lathe. The combination of independent variables that can produce the highest tensile test value, namely spindle rotation of 1170 rpm and 50 seconds of welding time can produce a tensile test value of 42.55 kgf/mm2. Meanwhile, the combination of independent variables that produced the lowest tensile test value was the spindle rotation of 900 rpm and 70 seconds of welding time, namely 30.14 kgf/mm2. The most significant independent variable is spindle rotation with 80%.
Studi Eksperimen Variasi Laju Aliran Pendinginan dan Pelapisan Kaca Film pada Panel Surya Bersistem Tubular Cooler Hardiatama, Intan; Devlin, Nigel Gavriel; Mulyadi, Santoso; Sutjahjono, Hary; Hentihu, Fahrur Rozy; Ilminafik, Nasrul; Trifiananto, Muhammad
Jurnal Rekayasa Mesin Vol. 19 No. 2 (2024): Volume 19, Nomor 2, Agustus 2024
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v19i2.5360

Abstract

Panel surya dapat mengubah energi matahari menjadi listrik, Penggunaan panel surya masih memiliki kendala, salah satunya adalah efisiensi daya keluaran yang masih rendah. Salah satu cara untuk meningkatkan efisiensi daya keluaran panel surya adalah dengan mengatur temperatur panel surya. Temperatur panel surya yang terlalu tinggi akan mengurangi efisiensi panel surya, sehingga diperlukan sistem pendinginan untuk menjaga temperatur panel surya tetap pada temperatur yang optimal. Variasi laju aliran pada tubular cooler serta pelapisan kaca film digunakan pada penelitian ini. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh tubular cooler dan kaca film pada panel surya terhadap daya keluaran, efisiensi maupun temperatur yang dihasilkan. Metode penelitian yang digunakan adalah metode eksperimental dengan menggunakan sistem pendingin tubular cooler dan kaca film pada panel. Pengambilan data dilakukan selama 6 hari dikondisi luar lapangan. Tingkat kegelapan kaca film divariasikan dan membaginya menjadi dua kelompok penelitian. Pada penelitian pertama digunakan kaca film 0% dan variasi laju aliran 1,2 L/menit, 1,6 L/menit dan 2 L/menit. Pada kelompok penelitian kedua menggunakan kaca film 20% dan variasi laju aliran 1,2 L/menit, 1,6 L/menit dan 2 L/menit. Hasil penelitian pada kelompok pertama menunjukkan panel surya mengalami penurunan temperatur terbesar hingga 11,69%. Penuunan temperatur yang terjadi, menghasilkan peningkatan daya keluaran hingga mencapai 31,88% dibanding panel tanpa pendingin. Pada penelitian kelompok kedua, penggunaan kaca film 20% sangat efektif dalam menurunkan temperatur panel hingga 15,84%, tetapi mengalami penurunan daya keluaran. Penurunan ini disebabkan karena adanya pengurangan intensitas matahari yang diterima oleh panel.
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.
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%.
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.
PENINGKATAN KUALITAS PAKAN DAN MANAJEMEN RECORDING BAGI KELOMPOK PETERNAK DOMBA DI JEMBER Nasrul Ilminnafik; Muhammad Trifiananto; Nur Widodo; Muhammad Dimyati Nashrullah; Intan Hardiatama
JMM (Jurnal Masyarakat Mandiri) Vol 8, No 2 (2024): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v8i2.22092

Abstract

Abstrak: Jumlah domba di Kabupaten Jember pada tahun 2020 sebanyak 83.029 ekor. Mitra kami “Lereng Mujan” berlokasi di Desa Klungkung, Jember. Anggota mitra 26 orang dengan jumlah ternak 456 domba dan setiap peternak memiliki 7-35 ekor. Berdasarkan diskusi, mitra memiliki tiga permasalahan yaitu permasalahan teknologi pengolahan pakan hijauan, teknologi bank pakan, dan recording. Domba mitra diberikan pakan hijauan langsung tanpa pencacahan sehingga ternak kesulitan mencerna dan banyak sisa makanan. Pada musim kemarau pakan domba berkurang sehingga gizi domba tidak dapat dipenuhi. Belum diterapkannya recording ternak sehingga kerap terjadi inbreeding dan jumlah ternak tidak terpantau. Mitra diberikan pelatihan berupa skill penggunaan mesin cacah, pembuatan silase, dan recording domba melalui necktag. Setelah pelaksanaan pengabdian prosentase pemahaman pengoperasaian mesin cacah sebesar, pembuatan silase, pemahaman recording ternak, dan tingkat ketrampilan perawatan peralatan berturut-turut sebesar 89%; 81%; 78%; 75%. mitra mampu menghasilkan pakan dengan mesin cacah multifungsi berkapasitas 585 kg/jam. Dari penerapan teknologi silase dan recording didapatkan terjadi peningkatan pakan yang dicacah menjadi 3 sak per hari meningkat 300% . Kemudian 461 domba telah diberikan necktag . Produksi pakan silase sebanyak 65 sak.Abstract: The number of sheep in Jember Regency in 2020 was 83,029. Our partner "Lereng Mujan" is located in Klungkung Village, Jember. There are 26 members with 456 sheep and each farmer has 7-35 sheep. Based on the discussion, the partner has three problems: forage feed processing technology, feed bank technology, and recording. Partner sheep are given forage feed directly without chopping so that livestock have difficulty digesting and a lot of food waste. In the dry season, sheep feed is reduced so that sheep nutrition cannot be fulfilled. Livestock recording has not been implemented so inbreeding often occurs and the number of livestock is not monitored. Partners are given training in the form of skills in the use of chopping machines, making silage, and recording sheep through necktags. After the implementation of the service, the percentage of understanding of the operation of the chopping machine, making silage, understanding livestock recording, and the level of equipment maintenance skills was 89%; 81%; 78%; 75% respectively. Partners are able to produce feed with a multifunctional chopping machine with a capacity of 585 kg / hour. From the application of silage and recording technology, it was found that there was an increase in chopped feed to 3 bags per day, or increase 300%. Then 461 sheep have been given necktags. Silage feed production was 65 sacks.
Assessment of Drinking Water Quality Using the Drinking Water Quality Index (DWQI) Method for Bore Wells in Wringinpitu, Banyuwangi Regency Pranantya, Vanadani; Saifurridzal; Muhammad Trifiananto; Hilma Wasilah Robbani; Adelia Nur Isna Kartikasari
BERKALA SAINSTEK Vol. 14 No. 2 (2026)
Publisher : University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v14i2.60011

Abstract

The growing demand for drinking water driven by population increase requires not only sufficient supply but also assurance of water quality for safe consumption. In Wringinpitu Village, Banyuwangi Regency, groundwater from bore wells serves as a primary drinking water source due to limited piped water coverage. This study evaluates the feasibility of bore well water using the Drinking Water Quality Index (DWQI), integrating physical, chemical, and biological parameters into a single representative value. Water samples were collected from two bore wells and analyzed based on the Indonesian drinking water standard (Ministry of Health Regulation No. 2 of 2023). The results indicate that most parameters, including odor, color, turbidity, iron (Fe), pH, nitrate, nitrite, and microbiological indicators, comply with the established standards. However, Total Dissolved Solids (TDS) and Manganese (Mn) require particular attention. TDS concentrations reached 585 mg/L (SB-01) and 1091 mg/L (SB-02), exceeding the allowable limit of 300 mg/L, while Mn levels were 0.1 mg/L and 0.135 mg/L, respectively. Elevated TDS levels are likely influenced by the hydrogeological setting, particularly the proximity to coastal areas, which contributes to higher mineral content in groundwater. Meanwhile, Mn presence is associated with aquifer geochemistry and natural dissolution processes. The DWQI values of 51.40 (SB-01) and 69.45 (SB-02) classify both water sources as “good,” indicating that the water is generally suitable for consumption with minor treatment. From an environmental engineering perspective, these findings highlight the importance of simple treatment technologies, such as filtration or aeration, to reduce TDS and Mn concentrations. Ensuring sustainable access to safe drinking water therefore requires not only resource availability but also continuous quality control and appropriate treatment strategies.
Co-Authors Adelia Nur Isna Kartikasari Agus Triono Ahmad Adib Rosyadi Ahmad Syuhri Al Wafi, Adib Alief Muhammad Amirur Ridho Muhammad Andana, Himawan D Andi Sanata Aris Zainul Muttaqin Ariyo Anindito Asroful Abidin Bahrul Ulum Bayu Pranoto Clarissa Putri Sholeha Danang Yudistiro Dani Hari Tunggal Prasetiyo Dedi Dwilaksana Devlin, Nigel Gavriel Dian Purbasari Digdo Listyadi, Digdo Dwi Djumhariyanto Edoward Ramadhan, Mochamad Enruico, Aron ERICHA DWI WAHYU SYAH PUTRI Faiqal Malik Fakhruddin Muhammad Gaguk Jatisukamto Ghozian Hilmi M Gunawan Chandra Hari Arbiantara Basuki Hary Sutjahjono Hilma Wasilah Robbani Ilminafik, Nasrul Imam Sholahuddin Indra Nurtjahjaningtyas Intan Hardiatama Irvan Septianto Putra K.W., Robertoes Koekoeh Linda Kurnia Supraptiningsih M. Fahrur Rozy Hentihu M. Firmansyah Putra Pradana Mahatma Junjung Mardlotila Mahros Darsin Mochamad Edoward Ramadhan Moh. Nurkoyim Kustanto Muh Asnoer Laagu Muhammad Dimyati Nashrullah Muhammad Hafri Evan Tofianto Nasrul Ilminnafik Nur Widodo Pratama, Aly Wafa Purwanto Rafli Bima Ardiansyah Rahma Rei Sakura Robertus Sidartawan Saifurridzal, Saifurridzal Santoso Mulyadi Sumarji Syuhri, Skriptyan N. H. Vanadani Pranantya Yuni Hermawan