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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 Prosiding SNTTM
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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Experimental study of green hydrogen production applied to gasoline engines with brake load capacity 0,25 kg/cm^2 Irawan, Suci Rahmadhani; Wicaksono, Ahmad Ilham; Martin, Awaludin
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/mq361b29

Abstract

Various countries are accelerating their energy transitions due to rising greenhouse gas emissions driving global climate change. The COP26 Conference set targets to limit global temperature rise to below 1.5 °C by 2030 and achieve net-zero emissions by 2050. Hydrogen is considered a promising alternative fuel because it produces only water vapor emissions and reduces dependence on fossil fuels. This study aims to analyze the effect of hydrogen gas, produced through electrolysis, mixed with Pertalite fuel on the performance of an internal combustion engine. The electrolysis process employed an Alkaline Electrolyzer Cell of the wet cell type, using a 30%wt NaOH electrolyte, a 12V power supply, and current variations of 40 A and 50 A. Engine performance parameters were evaluated under a brake load of 0.25 kg/cm². The results showed that at 40 A, the highest HHO gas production rate reached 0.9 Lpm, resulting in a 15.3% increase in effective shaft power, 5.7% thermal efficiency, 6.7% volumetric efficiency, 1.1% AFR, and a 29.06% reduction in BSEC. At 50 A, HHO gas production also reached 0.9 Lpm, with improvements of 18.3% in effective shaft power, 8.6% thermal efficiency, 10.8% volumetric efficiency, 2.84% AFR, and a 40.7% reduction in BSEC. These findings confirm that hydrogen blending enhances engine performance while supporting emission reduction.
Design of smart food container using thermoelectric cooler and heat pipe integrated with internet of things Istiqomah, Adinda Diana Suci; Sari, Annisa Wulan; Martin, Awaludin
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/sxnxjf15

Abstract

The increasing demand for food delivery systems that ensure product quality, freshness, and safety has driven the development of a Smart Food Container (SFC) integrated with Internet of Things (IoT) technology, utilizing a combination of Thermoelectric Cooler (TEC) and heat pipe as the primary temperature control mechanism. The design employs a TEC2-25408 module coupled with a copper heat pipe containing water as the working fluid, which efficiently transfers heat from the hot side of the TEC to maintain temperature stability while reducing the TEC’s workload. The integration of IoT technology using a NodeMCU ESP8266 enables real-time temperature monitoring and remote system control. The research process includes design, prototype fabrication, and experimental testing to evaluate system performance. The SFC prototype, with dimensions of 63 cm × 34 cm × 37 cm, consists of two compartments: a cooling section operating at 5–10 °C and a heating section operating at 50–70 °C. Based on experimental results indicate that the system achieves a design COP of 0.383 and an average experimental COP of 0.339 with a performance deviation of 11.38%.
Experimental study of freeze vacuum drying with thermal energy storage for drying 2 kg aloe vera Adriyandy, Warits; Cahyati, Wulan; Agustina, Dinni; Martin, Awaludin
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/bp8zfz47

Abstract

One of the widely used post-harvest processing methods for aloe vera is drying, given its high water content. An effective drying method is vacuum freeze-drying, although this method has a drawback in energy efficiency. This research examines the use of paraffin wax as a Thermal Energy Storage (TES) medium to utilize waste heat from the condenser during the freezing phase in a vacuum freeze-drying system. The results of the study show that the use of TES consistently improves drying efficiency and energy savings. The system with TES was able to remove a higher moisture content compared to the test without TES, at 68% for a 2 kg load versus 58.57% without TES. In addition, the Coefficient of Performance (COP) for the system with TES was recorded at 2.23, which is higher than the 2.08 without TES. The use of TES for 2 kg also resulted in an electrical energy saving of 259 Wh. Thus, TES in a vacuum freeze-drying system is effective in enhancing energy efficiency, reducing power consumption, and improving the drying performance of aloe vera.
Co-Authors , Romy Abrar Ridwan Adam Maulana Ibra Adriyandy, Warits 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 Auliaswan, Fayzil Awal Januari S Azis, Azridjal Azridjal Aziz Bambang Suryawan Bambang Suryawan, Bambang Benny Wahyudi Benny Wahyudi Binsar Martua Parulian Manurung Brama, Jaka Cahyati, Wulan 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 Fachry Abda El Rahman 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 Herisiswanto Hidayatullah, Abda Ibrahim Ibrahim Irawan, Suci Rahmadhani Irfandi Pratama Istiqomah, Adinda Diana Suci 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 NST, Berriansyah Cipta 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 Rizqullah, Ibnu 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 Wicaksono, Ahmad Ilham Windy Lusia Samosir Wulan Sari, Annisa Yogi Wibowo Agusta Yogi Wibowo Agusta