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All Journal Journal of Science and Applicative Technology Angkasa: Jurnal Ilmiah Bidang Teknologi Scientific Journal of Mechanical Engineering Kinematika AMMA : Jurnal Pengabdian Masyarakat Journal of Sciencce Technology and Visual Culture

Rico Aditia Prahmana

Program Studi Teknik Mesin, Institut Teknologi Sumatera, Lampung Selatan 35365, Indonesia

Author-ID : 5769177

Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing

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Articles

UNJUK KERJA MOTOR BENSIN GENERATOR-SET BERBAHAN BAKAR CAMPURAN BIOETANOL NIRA TEBU Abdi Hanra Sebayang; Aditya Pangestu; Rico Aditia Prahmana
Scientific Journal of Mechanical Engineering Kinematika Vol 7 No 2 (2022): SJME Kinematika Desember 2022
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v7i2.233

An increase in fuel oil consumption occurs every year, and an increase in population causes this. To overcome these problems, developed alternative fuels such as bioethanol. This research was conducted using an experimental method to analyze the performance of a single-cylinder SI motor fueled with a mixture of bioethanol. Bioethanol is produced from raw sugarcane juice through fermentation with the help of the bacterium Saccharomyces cerevisiae. The composition of the fuel mixture used is 5% bioethanol+95% Premium (Ron 88), 5% bioethanol+95% Pertalite (Ron 90) and 5% bioethanol+95% Pertamax (Ron 92), which is then analyzed for the performance of the motor gasoline generator sets. The results showed that a Premium of 240.9 W obtains the highest power of the bioethanol mixture. The specific fuel consumption was reduced, obtained for Premium of 1.417 kg/Wh, and the highest power of bioethanol mixture was obtained for Pertalite. The result shows that the highest power is 218.67 W and, the torque is 0.803 Nm. Thermal efficiency is obtained at 38.711% for Pertalite. The Pertamax bioethanol mixture has power, and torques are 220 W and 0.875 Nm, respectively. Moreover, the fuel consumption value obtained is 1.573 kg/Wh, and the mixture's thermal efficiency is 42,524%. The outcome of this study would provide insight into the potential use of bioethanol mixture for generator engine applications and offer a pathway for future studies in different ratios of bioethanol to realize the significant benefits of generator engines for internal combustion engines.

Uji Performa Gasoline Engine menggunakan bioaditif cengkeh dengan bensin berkadar oktan 90 Devia Gahana Cindi Alfian; Rico Aditia Prahmana; Dicky J. Silitonga; Abdul Muhyi; Didik Supriyadi
Journal of Science and Applicative Technology Vol 4 No 1 (2020): Journal of Science and Applicative Technology June Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Globally, the demand for fuels is ever-increasing and so is the demand for fuel additives. A fuel additive is a substance added in small quantities to increase the performance of the engine, decrease fuel consumption and reduce emission. The fuel additives have no specific set of raw materials or ingredients. Every fuel additive is different from the other in many ways of raw materials and ingredients to produce these additives. In many cases, fuel additives have made by chemical materials as additives for a gasoline engine. However, the optimal parameters for the reduction of fuel consumption are not clear. Accordingly, the present study performs a mixing additive material in the form of clove oil with pure gasoline fuel with a percentage of 1%, 0,6% and 0,3% from a total volume of gasoline to be tested. Then the mixing of the additive and gasoline is tested into the gasoline engine by varying the load using 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800 and 2000 Watt power with a fixed engine rotation of 2500 rpm. The results show that the reduction of fuel consumption respectively. Results showed that the addition of 1%, 0.6% and 0.3% clove oil into a 90 octane gasoline reduced fuel consumption by 10.6%, 18.2% and 15.4% respectively. Maximum reduction of fuel consumption was 28.6% at 800 W electrical load with 0.6% of clove oil additive.

Pengaruh Komposisi Campuran Minyak Sereh Wangi dan Minyak Cengkeh terhadap Unjuk Kerja Mesin Diesel Rico Aditia Prahmana; Devia Gahana Cindi Alfian; Didik Supriyadi; Dicky Januarizky Silitonga; Abdul Muhyi
Journal of Science and Applicative Technology Vol 4 No 2 (2020): Journal of Science and Applicative Technology December Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/jsat.v4i2.244

The increase in fuel prices makes the use of essential oils as a natural bio-additive in diesel engines much in demand. This is because essential oils are believed to have good content to improve engine performance and reduce fuel consumption. In this research, essential oils used are citronella oil because they contain carboxylic compounds (-COOH) and clove oil which has the advantage to prevent corrosion. The aim is to improve engine performance and reduce fuel consumption can also prevent corrosion. This research was conducted by mixing citronella oil and clove oil with diesel fuel with a percentage of 1%, 0.5%, and 0.1% of the total volume. The diesel engine is operated with a loading variation of 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, and 2000 W at a constant engine speed of 1500 rpm. The variables measured and calculated in this experiment are power, torque, Brake Mean Effective Pressure (BMEP), Specific Fuel Consumption (SFC). The results showed that the addition of citronella oil and clove oil to diesel fuel with a percentage of 0.1%, 0.5%, and 1% significantly reduced fuel consumption by 14.6%, 12.9%, and 18.3%, respectively. The maximum fuel reduction from mixed oils is only 0.086 liters/hour at 1000W loads with 1% bio-additives content.

Aplikasi Penggunaan Serah Wangi Sebagai Bioaditif Alami untuk Karakterasi Unjuk Kerja dari Mesin Diesel Abdul Muhyi; Rico Aditia Prahmana; Devia G. C. Alfian; Dicky J. Silitonga; Didik Supriyadi
Journal of Science and Applicative Technology Vol 3 No 1 (2019): Journal of Science and Applicative Technology August Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

The consumption of diesel fuel in Indonesia is increasing every year, one way to overcome this problem is to use natural bioaditive in the form of essential oils found in Indonesia. Essential oils used in this study are fragrant lemongrass because fragrant lemongrass contains carboxylic compounds (-COOH) [1,2,3]. With the aim of improving engine performance and reducing fuel consumption. This research was conducted by mixing fragrant citronella oil with diesel oil with a percentage of 1%, 0.5% and 0.1% of the total volume. Diesel engines are operated with variations in loading 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800 and 2000 W at a constant engine speed of 1500 rpm. The variables measured and calculated in this experiment are power, torque, Break Mean Effective Pressure (BMEP), Specific Fuel Consumption (SFC). The results showed that adding citronella oil to diesel fuel with a percentage of 1%, 0.5% and 0.1% significantly reduced fuel consumption by 15.5%, 3.6% and 2.6% respectively. The maximum reduction in fuel consumption reaches 0.055 liters / hour at 200W loading with a bioaditive level of 0.1%. The next study planned is to mix clove oil and citronella oil as bioaditive so that it is expected to reduce fuel consumption and engine corrosion. Keywords: Diesel engine, bioaditive, fragrant citronella oil, performance of diesel engines, fuel consumption

Analysis Wind Characteristics in South Lampung Indonesia Rico Aditia Prahmana
Journal of Science and Applicative Technology Vol 2 No 1 (2018): Journal of Science and Applicative Technology June Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Many researchers have begun to evaluate the characteristics of the wind to be the mainstay of energy utilized for power generation. Various countries have started to conduct research of analysis the characteristics of wind potential in certain areas. In this study, wind speed data is be measured in the South Lampung. The maximum and minimum wind speed average in one day is 4.2 knot (from east to west direction) and 0.9 knot (from west to east direction), respectively. The sensor of wid speed is located at 10 meter height from ground. The results show that the maximum wind speed can reach 3 m/s at a height of 10 m on August and December. Moreover, the most wind direction during July to December goes to WSW (West SouthernWest) and SSE (South SouthernEast).

Unjuk Kerja Motor Diesel Generator Set Satu Silinder Menggunakan Bahan Bakar Pertadex – Minyak Nabati Rico Aditia Prahmana; Rani Mutia Sari; Abdul Muhyi; Devia Gahana CA; Jooned Hendrasakti
Journal of Science, Technology, and Visual Culture Vol 1 No 3 (2021): Desember 2021
Publisher : Jurusan Teknologi Produksi dan Industri, Institut Teknologi Sumatera

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Setiap tahunnya kebutuhan dunia akan energi terus bertambah tetapi ketersediaan akan energi fosil terus mengalami penurunan. Hal ini yang mendorong perlunya energi baru dan terbarukan untuk mensubstitusikan energi fosil tersebut agar dapat mengurangi penggunaannya. Salah satu alternatif yaitu dengan penggunaan minyak nabati dari crude palm oil yang dimana minyak nabati tersebut dibuat melalui proses transesterifikasi terlebih dahulu agar viskositas pada minyak nabati mendekati nilai viskositas pada minyak diesel yang terbuat dari fosil tersebut. Pada penelitian tugas akhir ini akan membahas tentang analisa perbandingan unjuk kerja motor diesel satu silinder dengan putaran motor sebesar 1000 rpm hingga 2000 rpm dengan interval setiap kenaikan 200 rpm dan daya konstan 1500 Watt berbahan bakar pertamina dex murni dan campuran antara pertamina dex dengan minyak nabati yang telah diformulasikan yaitu MS10, MS20, MS30, dan MS40 melalui proses transesterifikasi menggunakan katalis basa homogen. Didapatkan hasil nilai unjuk kerja motor terbaik pada variasi bahan bakar pertamina dex dengan nilai berurut-turut 0,729 Hp; 32,500 kg.cm; 0,587 kg/Hp.jam; 0,029; dan 0,285 kPa. Yang disusul oleh bahan bakar MS40, sedangkan nilai unjuk kerja motor terburuk pada variais bahan bakar MS10.

Edukasi Laboratorium Teknik Mesin ITERA Bagi Siswa SMKN 1 Raman Utara Dalam Meningkatkan Literasi Teknologi Fajar Paundra; Abdul Muhyi; Fajar Perdana Nurullah; Eko Pujiyulianto; Devia Gahana Cindi Alfian; Muhammad Syaukani; Kardo Rajagukguk; Dicky Januarizky Silitonga; Putra Andi Kolala; Farid Nanda Syanur; Rico Aditia Prahmana
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 5 : Juni (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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This community service activity aims to introduce the laboratory environment and facilities of the Mechanical Engineering Study Program at Institut Teknologi Sumatera (ITERA) to students of SMKN 1 Raman Utara, East Lampung. The activity was conducted in the form of a campus visit involving 62 12th-grade students from the Light Vehicle Engineering Department. The agenda included a presentation on higher education opportunities, interactive discussions, a Q&A session, and a direct tour of ITERA’s Mechanical Engineering laboratories, including the Materials Engineering, Energy Conversion, Fabrication, Manufacturing, Internal Combustion Engines, and Foundry laboratories. This activity was designed to inspire students to pursue higher education and broaden their understanding of engineering fields. The outcome showed a high level of enthusiasm among the students and successfully achieved the goal of introducing campus life and technological exposure. This initiative is expected to serve as an initial step in strengthening synergy between vocational high schools and higher education institutions.

Analisis Pengaruh Variasi Rasio Komposisi Ampas Tebu Dan Arang Tempurung Kelapa Terhadap Karakteristik Briket Muhammad Firmansyah Suherman; Rico Aditia Prahmana; Achmad Gus Fahmi; Lathifa Putri Afisna; Farid Jayadi; Devia Gahana Cindi Alvian; Pathur Razi Ansyah
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 18, No 2 (2026): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v18i2.3990

In Indonesia, basic energy needs still depend on natural gas, coal, and petroleum until their availability is decreasing. Bagasse and coconut shell charcoal briquettes offer the best solution as an alternative energy source that is environmentally friendly and abundantly available. This study aims to analyze the effect of variations in the composition of bagasse (AT) and coconut shell charcoal (TK) using tapioca starch adhesive on the characteristics of the briquettes. The compositions tested were 25% AT : 75% TK; 30% AT : 70% TK; 35% AT : 65% TK. The briquettes were evaluated based on parameters such as calorific value, carbon content, ash content, water content, volatile matter content, and combustion rate. The results showed that the briquettes with composition variations of 25% bagasse and 75% coconut shell charcoal had a calorific value of 5721.63 cal/g, carbon content of 64%, ash content of 8%, water content of 7.56%, volatile matter content of 28%, and a combustion rate of 0.19 grams/minute. However, only the water content value that meets SNI 1683/2021 quality 1 is ≤ 8%

Co-Authors Abdi Hanra Sebayang Abdul Muhyi Abdul Muhyi Achmad Gus Fahmi Aditya Pangestu Devia Gahana CA Devia Gahana Cindi Alfian Devia Gahana Cindi Alvian Dicky J. Silitonga Dicky Januarizky Silitonga Didik Supriyadi, Didik Eko Pujiyulianto Fajar Paundra Fajar Perdana Nurullah Farid Jayadi Farid Nanda Syanur Jooned Hendrasakti Kardo Rajagukguk, Kardo Lathifa Putri Afisna Muhammad Firmansyah Suherman Muhammad Syaukani Pathur Razi Ansyah Putra Andi Kolala Rani Mutia Sari

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