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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Jurnal Sains dan Teknologi Komunikasi Fisika Indonesia Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Rekayasa Mesin Sinergi REKAYASA Jurnal Pengabdian UntukMu NegeRI JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Turbo : Jurnal Program Studi Teknik Mesin AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat JTM-ITI (Jurnal Teknik Mesin ITI) Dinamisia: Jurnal Pengabdian Kepada Masyarakat JURNAL PHOTON Ketenagalistrikan dan Energi Terbarukan Jurnal Teknik Mesin Cakram Jurnal Teknik Mesin Indonesia Piston: Journal of Technical Engineering Jurnal Engine: Energi, Manufaktur, dan Material International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Teknomekanik Journal of Electrical Engineering and Computer (JEECOM) Journal of Applied Materials and Technology Jurnal Teknik Mesin Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Makara Journal of Technology Proksima BATOBO: Jurnal Pengabdian Kepada Masyarakat
Awaludin Martin
Universitas Riau
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Physics Social Sciences Transportation Other

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Journal : Sinergi

 1 
Utilizing waste heat gasoline engine in the design and fabrication of a fin and tube evaporator for the Organic Rankine Cycle (ORC) Awaludin Martin; Rudi Hartono; Reza Asrian
SINERGI Vol 27, No 2 (2023)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2023.2.004

Abstract

The excessive consumption of fossil fuels is causing environmental problems, which can be addressed by utilizing renewable energy sources such as hydro energy, biomass, solar heat, geothermal, and waste heat. In particular, the exhaust gas from gasoline engines presents an opportunity for energy recovery, as only 25% of the energy is utilized while the remaining 75% is wasted. A fin and tube type evaporator was designed, manufactured, and tested to utilize this exhaust gas in an Organic Rankine Cycle (ORC) system. The evaporator was designed with an outer tube diameter of 9.525 mm and a total tube length of 41.4 m, featuring 90 tubes and 135 fins with a total area of 14,325 m2. It achieved an average effectiveness of 94.33%. The results showed that the waste heat from the exhaust gas of a gasoline engine could be used as a source of energy in an ORC system with an efficiency of 2.13%. It results in 7.02 kJ/s of energy absorbed by the evaporator and a net power generated of 0.15 kJ/s. This research demonstrates the potential for utilizing waste heat from gasoline engines as an energy source to generate electricity.
Production of bio-coal based on empty fruit bunches by torrefaction method with fixed bed and tubular continuous reactors Martin, Awaludin; Ginting, Yogie Rinaldy; Kurniawan, Iwan; Agusta, Dhiky Rahman; Khotimah, Nur
SINERGI Vol 28, No 2 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2024.2.006

Abstract

Excessive use of fossil energy has negative impacts, which can cause climate change and environmental degradation. Thus, there is a need to find alternative, more sustainable energy sources. Biomass derived from Empty Fruit Bunch (EFB) waste is a newfound renewable energy source. However, its utilization is not optimal due to its low heating value and high chlorine (Cl) and potassium (K) content, which can interfere with combustion. EFB is washed with peat water to reduce potassium and chlorine content, and the torefaction process is used for combustion. This research aims to develop bio-coal production from empty fruit bunches using the torefaction method using fixed beds and continuous tubular reactors. The production process development also aims to obtain a larger production capacity than previous studies. This study uses varying weights of EFB produced into bio-coal, namely 250, 500 and 1000 grams, with a torefaction process temperature of 200°C for 30 minutes. As a result, the peat water flow rate decreased K, Cl and K2O content to the lowest content reduction value, which amounted to 8.31%, 0.42% and 3.96%, respectively. The heating value of bio-coal produced in a fixed bed reactor is 26,166 kJ/kg, while in a continuous tubular reactor, it is 21,720 kJ/kg. Based on these results, the fixed bed reactor shows a higher heating value than the continuous tubular reactor. The heating value obtained from these two types of reactors is comparable to sub-bituminous coal, which is usually used in steam power plants.
Experimental investigation of HHO blending in combustion engine performance Martin, Awaludin; Hidayatullah, Abda; Ginting, Yogie Rinaldy; Sari, Annisa Wulan
SINERGI Vol 29, No 3 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2025.3.006

Abstract

The transition to renewable energy sources has become increasingly critical due to the adverse effects of greenhouse gas emissions. One alternative to reducing fossil fuel dependence is hydrogen. Hydrogen technology can be integrated into internal combustion engines without major design modifications. This study investigates the effects of HHO gas blending on engine performance under varying brake load conditions. The carburetor was modified to allow HHO gas from electrolysis to enter the combustion chamber. The results indicate that HHO blending led to a 4.9% increase in brake power, a 1.66% improvement in thermal efficiency, and a 3% reduction in brake-specific energy consumption (BSEC). Additionally, among different potassium hydroxide (KOH) concentrations, the 30% wt solution exhibited the lowest power consumption for electrolysis.
Co-Authors , Romy Abrar Ridwan Adam Maulana Ibra Agus, Rio Masri Agusta, Dhiky Rahman Agustina, Dinni Ahmad Farhan Ahmad Fudholi Ahmad Syaifudin Akbar, Mustafa Akbar, Musthafa Aldi Ansyah Kurniawan Lubis Andika Anis Aprilia Anuar, Kaspul Apriwandi Apriwandi . Arfie I. Firmansyah Arifful Rahman Asral Awal Januari S Azis, Azridjal Azridjal Aziz Bambang Suryawan Bambang Suryawan, Bambang Benny Wahyudi Benny Wahyudi Binsar Martua Parulian Manurung Brama, Jaka Chitraningrum, Nidya Clinton Naibaho Cupu, Dedi Rosa Putra Damanik, Reinhard Parulian Dedy Masnur, Dedy Deniza, Rindhu Nabila Dhewaji, Roe Dwi Dhiki R. A. Dhiky Rahman Agusta Dodi Sofyan Arief, Dodi Sofyan Doni saputra Erman Taer Fachri Husaini Fadilla Augusli Irwanda Fadillah, Naufal Faisal Afif Fakhru Rozi Z Feblil Huda Fharozi, Ridho Fikri Aminullah, Fikri Fikri Fahlevi Nasution Fikri Fahlevi Nasution Firmansyah, Arfie I. Ginting, Yogie Rinaldy Gun Faisal Hamdani Wahab Hamdani Wahab Hardanto, Lilik Tri Hariyono Hariyono Harun Orion Herisiswanto Herisiswanto Hidayatullah, Abda Ibrahim Ibrahim Irfandi Pratama Ivand Hintingo Iwan Kurniawan Iwan Kurniawan Jefri Ramadan Jheri Hermanto Johannes Panjaitan Jossy Kolata Julnaidi, Julnaidi Kharisma, Oktaf Brillian Khotimah, Nur Kresna, Pharada Krist Mamre Saragih M. Idrus Alhamid Meitri Nelta Mintarto, Mintarto Miswandi, Miswandi Moh. Arief Indra Permana Mohamad A Muhidin Mohammad Barbarosa Mohammad Barbarosa Muhammad Alhamid Muhammad Alhamid, Muhammad Muhammad Hatta Muhammad Idrus Alhamid, Muhammad Idrus Muhammad Nasir Muhammad Nur Muhammad Nur Ahmad H N. Nazaruddin Nasruddin - Nasruddin - Nasruddin Nasruddin Nasruddin Nasruddin Nasruddin Nasruddin Nasution, Fikri Fahlevi Nazaruddin Nehemia Simangunsong Novi Yanti Nur Indah Rivai Nur Indah Rivai Nursyafni, Nursyafni Okvitasari, Dwi Yani P, Brian Agung Cahyo Paulus, Hendri Pipin Azrin Pither Palamba Prayetno, Utari Purba, Cenora Evelynza Putra, Adipa Putri Nawangsari, Putri Putri Nawangsari, Putri Nawangsari Putri Wahyuni Putri, Rahma Lia Rahmat Iman Mainil Rahmi Dewi Rakhmawati Farma Reza Asrian Ridwan Abdurrahman Ridwan, Hafidz Abrar Rika Taslim Romy Romy Rudi Hartono Samuel Siregar Saragih, Krist Mamre Sari, Annisa Wulan Sibuea, Edwin Reinaldy Sihombing, Tikkos Sinaga, Tomi Siregar, Ansor Salim Sitompul, Nathaniel Andrew Sahala Somadona, Sonia Stevan Graciano Boyana Subekti, Mohammad Sunny Ineza Putri Surianto, Muhammad Akbar Syafri Syafri Tikkos Sihombing Tino Ferinando GS Tomi Sinaga Tri Bambang Lesmana Wahyudi, Wandi Warman Fatra, Warman Windy Lusia Samosir Wulan Sari, Annisa Yogi Wibowo Agusta Yogi Wibowo Agusta