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All Journal Reaktor Jurnal Teknik Mesin SAMUDERA Prosiding Semnastek Jurnal Vokasi International Journal of Engineering, Science and Information Technology Malikussaleh Journal of Mechanical Science Technology Makara Journal of Technology Electronic Journal of Education, Social Economics and Technology Jurnal Malikussaleh Mengabdi Journal of Engineering and Technological Sciences Journal of Mechanical Engineering and Fabrication
Faisal Faisal
Jurusan Teknik Mesin, Fakultas Teknik, Unimal
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Analysis of coal quality as fuel for steam power plants in Langkat Regency based on the proximate test Alfath Khoir Nst; Sayuthi, Muhammad; Amani, Yasir; Habibi, Muhammad; Faisal, Faisal; Hidayat, Heindrix
Journal of Mechanical Engineering and Fabrication Vol. 2 No. 2 (2025): September
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v2i2.23

Abstract

Coal quality assessment is crucial for determining its suitability as a fuel for power generation and industrial applications. Such evaluation generally involves proximate and ultimate analyses. The proximate analysis provides information on moisture, volatile matter, fixed carbon, and ash content, whereas the ultimate analysis identifies elemental composition such as carbon, hydrogen, oxygen, nitrogen, and sulfur. Geological factors, including age, temperature, and pressure during formation, strongly influence coal quality. This study aims to evaluate the effect of particle size on coal quality using grain sizes of 40 and 60 mesh, analyzed according to ASTM standard procedures. The results indicate that coal with a grain size of 40 mesh contains, on average, 22.22% moisture, 5.83% ash, 37.54% volatile matter, and 34.15% fixed carbon. In contrast, coal with a grain size of 60 mesh exhibits 20.45% moisture, 6.80% ash, 42.77% volatile matter, and 29.99% fixed carbon. These findings highlight the significant influence of particle size on the proximate characteristics of coal, which can affect its combustion behavior and potential applications in power plants and other industries
Analysis of steam consumption in the crude palm oil sterilizer during a 90-minute boiling process Yasir Amani, Yasir Amani; Siregar, M. Ronny Syahputra; Faisal, Faisal; Hidayat, Heindrix
Journal of Mechanical Engineering and Fabrication Vol. 2 No. 2 (2025): September
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v2i2.24

Abstract

In crude palm oil production, productivity largely depends on the performance of the sterilizer, particularly the horizontal type that operates using steam pressure. This study aimed to analyze the performance of the sterilizer by observing the boiling process of fresh fruit bunches (FFB) and determining the heat required during a single sterilization cycle. Observations were carried out throughout the sterilization process, with steam pressure monitored using the pressure gauge located on top of the sterilizer vessel. The daily steam requirement varied, with the highest recorded on the 10th day, reaching 1,050 kg of steam for 735 tons of FFB. Interestingly, a higher volume of FFB did not always correspond to a higher steam demand. On average, the sterilization process required 827 kg of steam per ton of FFB over 24 hours. At PT. Perkebunan Nusantara IV PKS Dolok Sinumbah, the horizontal sterilizer operates with a triple-peak system, a boiling time of 90–100 minutes, steam pressure of 2.8–3.2 kg/cm², and temperatures between 120–135 °C. The results indicate that the heat required reached 738,160.5 kcal/s, the latent heat was 7,772,760 kJ, and the total steam consumption amounted to 8,510,920.5 kcal for 30 tons of FFB.
Performance test of a parabolic reflector solar cooker in the Lhokseumawe Region Faisal, Faisal; Setiawan, Adi; Sayuthi, Muhammad; Suryadi, Suryadi; Syukri, Syukri
Journal of Mechanical Engineering and Fabrication Vol. 2 No. 2 (2025): September
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v2i2.27

Abstract

The utilization of solar energy as a renewable energy source is becoming increasingly important to reduce dependence on fossil fuels. One of its applications is the parabolic reflector solar cooker, which harnesses solar radiation for cooking purposes. This study aims to evaluate the performance of a solar cooker equipped with a parabolic reflector through a water heating test. The study presents an analysis of the performance of a solar cooker using a parabolic reflector collector. The solar reflector was constructed from mirror fragments arranged to form a parabolic shape with a surface area of 1.05 m². The experiment was conducted in the Lhokseumawe region, Aceh Province, Indonesia, located at coordinates 5°12’11.01’’ N and 97° E, with an altitude of 18.3 m above sea level. Performance measurements were carried out using a water heating method with a vessel containing 3.2 kg of water placed at the focal point of the reflector. The solar radiation received by the collector was reflected toward the focal point, heating the water directly. The results showed that the water temperature increased to 82.4 °C within 60 minutes, from 12:00 to 13:00 local time (WIB). The overall efficiency of the solar cooker was found to be 33.9%. These findings indicate that the parabolic reflector solar cooker has strong potential as an environmentally friendly alternative energy source suitable for application in tropical regions
Utilization of Coffee Husk and Bagasse Waste as Biobriquettes Yasir Amani Yasir Amani; Muhammad Sayuthi; Dede Irawan; Faisal Muhammad Nur; Heindrix Hidayat
Journal of Mechanical Engineering and Fabrication Vol. 3 No. 1 (2026): Maret
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v3i1.28

Abstract

Utilising agricultural waste as an alternative energy source is an effort to reduce dependence on fossil fuels and its negative impact on the environment. This research aims to examine the characteristics of biobriquettes from a mixture of coffee husk waste and sugarcane bagasse using sodium silicate adhesive, as well as analyse the effect of variations in material composition on the physical and thermal properties of biobriquettes. The composition of the ingredients varied in five ratios of coffee skins and sugarcane bagasse (80:20, 70:30, 50:50, 30:70, and 20:80) grams with 15% sodium silicate adhesive. The proximate test results showed that the highest water content was 4.336%, the highest ash content was 0.69%, the highest volatile matter was 87.218%, and the highest bound carbon was 17.946%. For the test results, the highest calorific value was 6231.715 cal/gram with a composition of 80 coffee skins and 20 grams of sugarcane bagasse. This research proves that a mixture of coffee skins and sugar bagasse with sodium silicate adhesive has great potential as an alternative fuel, with the dominance of coffee skins producing more optimal biobriquette characteristics
Arrow C-106 Engine Performance Analysis Based on Mean Time Between Failure (MTBF) Mean Time To Repair (MTTR) and Availability Methods at PT. Pertamina Hulu Rokan Regional 1 Zone 1 Field Rantau Yasir Amani Yasir Amani; Ade Ariansyah Ritonga; M.Iqbal A.Putra Putra; Faisal Muhammad Nur; Heindrix Hidayat
Journal of Mechanical Engineering and Fabrication Vol. 3 No. 1 (2026): Maret
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v3i1.29

Abstract

Through data collection and analysis of the performance of the Arrow C-106 Engine at PT Pertamina Hulu Rokan's Rantau Field. The results of the analysis are expected to provide an overview of the actual condition of the machine, its level of reliability, and its availability to support the oil and gas production process. The data analysis method in this research was carried out by processing Arrow C-106 Engine operational data obtained from log sheets, downtime records and company documentation. The data that has been collected is then calculated using three main parameters, namely MTBF, MTTR, and Availability. The results of the analysis of these three parameters are then compared with actual conditions in the field, in order to obtain an overview of the reliability and availability of the Arrow C-106 engine in supporting oil and gas production operations. Mean Time Between Failure (MTBF) shows that the Arrow C-106 Engine has the ability to operate for a relatively long duration before damage occurs. The Mean Time To Repair (MTTR) value obtained is relatively small, so the average repair time required is not too long. The calculated Availability parameters for individual units are in the high range, with most units recording values ​​above 95%. This high level of availability shows that the Arrow C-106 Engine has good operational readiness and can be relied on to support the continuity of oil and gas production.   
Variations in the volume fraction of hybrid composites reinforced with bamboo fiber and fiber-glass fiber influence the Tensile and Impact tests Yasir Amani Yasir Amani; Ferri Safriwardy; Akbar Gultom; Faisal Muhammad Nur; Heindrix Hidayat
Journal of Mechanical Engineering and Fabrication Vol. 3 No. 1 (2026): Maret
Publisher : Journal of Mechafa Engineering and Fabrication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64273/jmef.v3i1.30

Abstract

This research is to create a prototype plastic composite reinforced with bamboo fiber and fiber-glass with variations in volume fraction 25% SB : 25% FG, 35% SB : 15 % FG and 40% SB: 10% FG, the fiber layer types are arranged in the longitudinal direction (0°) with random laminate orientation, for the matrix using BTQN 157 EX polyyester resin. test specimens using the hand lay up method. Composite testing is in the form of Tensile testing referring to Standard ASTM D638-14 and Impact Testing referring to ASTM D6110-10 using the charpy method. The results in the optimal tensile test were greatest at a volume fraction of 40% SB :15% FG with an average tensile strength value of  = 80.907 MPa, strain ϵ = 2.53% and elastic modulus E = 31.96 MPa. The lowest tensile strength is at a  volume fraction of 35% SB:10% FG with an average value of σ =75.552 Mpa. strain ϵ = 2.09 % and elastic modulus 36.01 MPa. In the charpy impact test, the highest volume fraction was at 35% SB :15% FG with impact strength (HI) = 0.83 .  Absorbed energy (EI) = 46.73 Joules. The lowest impact strength is at a volume fraction of 35% :15% with impact strength (HI) = 0.24 . Absorbed energy (EI) = 30.94, However volume fraction 40%:10% Impact Strength (HI) = 0.79 .  However, the highest absorbed energy (EI) = 64.16 Joules. The observation results show that the fiber volume is good at a percentage of 40% SB with 15% FG suitable for combining as an alternative tensile material. To observe the fracture results of the Impact test specimen, pull-out fiber was found. However, composites reinforced with bamboo fiber have strong enough capabilities for manufacturing product applications   
The Effect of Chimney Height Variation on the Performance of a Solar-Powered Cascara Coffee Dryer Prototype Faisal Faisal; Suryadi Suryadi; Irhamna Ikhwan; Muhammad Sayuthi; M. Iqbal Adhya Putra
Electronic Journal of Education, Social Economics and Technology Vol 6, No 2 (2025)
Publisher : SAINTIS Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33122/ejeset.v6i2.1085

Abstract

This study aims to evaluate the effect of chimney height variation on the performance of a solar-powered cascara coffee dryer prototype. Chimney height is an important parameter in drying systems because it affects the rate of hot air flow, relative humidity, and drying process efficiency. An experimental study was conducted by varying the chimney height in the dryer's air outlet duct, then observing the drying performance of coffee cherry husks (cascara) as the test material. The main parameters analyzed included drying time, temperature stability in the drying chamber, drying efficiency, and final product quality. The results showed that variations in chimney height had a significant effect on system performance. A chimney with a height of 220 cm proved to produce the best performance with a more stable air flow rate, consistent drying temperature, and 100% efficiency. This results in a faster, more even, and higher quality cascara drying process. The final product, dried cascara coffee, can then be processed into high-value herbal tea drinks and has the potential to increase coffee product diversification. Thus, this study confirms that proper chimney height adjustment is a crucial factor in the design and development of solar drying technology, especially for agricultural products such as coffee cherry skin. These findings are expected to serve as the basis for developing more efficient, environmentally friendly dryer designs that support increased added value for coffee derivative products at both the farmer and small-to-medium industry levels.
Production of Food – Grade Liquid Smoke from Candlenut Shell through a Consecutive Pyrolysis – Distillation Process Sulhatun Sulhatun; Faisal Faisal; Satria Nanda; Syarifah Akmal; Tubagus Rayyan Fitra Sinuhaji
Reaktor Volume 25 No.3 December 2025
Publisher : Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/reaktor.25.3.%p

Abstract

Concerning the increasing demand for food-grade liquid smoke, this research focuses on liquid smoke purification through distillation to improve quality, in terms of color, odor, and chemical composition, while eliminating carcinogenic compounds such as tar residues. For that reason, this study aims to investigate the production of liquid smoke from candlenut shells using a 300 kg capacity pyrolizer. Pyrolysis was conducted at 350 – 400°C for 1 – 6 hours to produce liquid smoke. Distillation temperature and time were varied to examine their effect on liquid smoke quality. Based on the phenol content, an optimal pyrolysis condition was achieved at temperatures between 350 and 450°C for 3.5 hours from which the highest phenol content value (56.76% w/w) was obtained. In addition, distillation at 200°C for 40 minutes resulted in the highest distillate yield of 38.74% w/w, which corresponds to a phenol content of 73.42% w/w. Furthermore, heavy metal contamination tests revealed that mercury, arsenic, cadmium, and lead levels were well below their maximum tolerable limit for food additives. These results demonstrate that the distillation condition significantly influences the quality and yield of liquid smoke. 
Sosialisasi Kebijakan Ketahanan Pangan di Kecamatan Matangkuli Fikri Hasfita; Zahari Zahari; Syukriah Syukriah; Ferizaldi Ferizaldi; Umaruddin Usman; Suryadi; Wiza Ulfa Fibarzi; Faisal Faisal
Jurnal Malikussaleh Mengabdi Vol. 5 No. 2 (2026): Jurnal Malikussaleh Mengabdi, April 2026
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jmm.v5i2.26138

Abstract

Ketahanan pangan merupakan salah satu aspek strategis dalam mendukung kesejahteraan masyarakat dan pembangunan berkelanjutan. Kecamatan Matangkuli memiliki potensi sumber daya pertanian yang cukup besar, namun masih dihadapkan pada keterbatasan pemahaman masyarakat terkait kebijakan ketahanan pangan yang dicanangkan pemerintah. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman dan kesadaran masyarakat mengenai kebijakan ketahanan pangan serta mendorong partisipasi aktif dalam implementasinya di tingkat lokal. Metode yang digunakan meliputi sosialisasi, diskusi interaktif, dan penyampaian materi secara partisipatif kepada aparatur desa dan masyarakat. Hasil kegiatan menunjukkan adanya peningkatan pengetahuan masyarakat mengenai konsep ketahanan pangan, peran pemerintah, serta upaya yang dapat dilakukan masyarakat dalam menjaga ketersediaan, akses, dan pemanfaatan pangan. Kegiatan ini diharapkan dapat mendukung penguatan ketahanan pangan berbasis masyarakat di Kecamatan Matangkuli.
Co-Authors - Khairil Ade Ariansyah Ritonga Adi Setiawan Adi Setiawan Akbar Gultom Alfath Khoir Nst aljufri aljufri, aljufri Andrian Sulaiman Bakhtiar Chatarina Umbul Wahyuni Dede Irawan Faisal Faisal Fajriana, Mona Fauzah Nur Aksa Ferizaldi Ferizaldi Ferri Safriwardy Fikri Hasfita Haiyum, Muhd Hanif Hanif Heindrix Hidayat Hidayat, Heindrix Indra Mawardi Irhamna Ikhwan Jamidi, Jamidi Khairil Khairil Luthfi Luthfi M. Iqbal Adhya Putra M.Iqbal A.Putra Putra Meriatna Meriatna Muhammad Habibi Muhammad Muhammad Muhammad Sayuthi Muhammad Sayuthi Muhammad Sayuthi Muhammad Yusuf Nurdin Nurdin Nurlaila, Rizka Pranata, Tri Agung Rizqon Hasibuan Romi Asmara Satria Nanda Siregar, M. Ronny Syahputra Sulhatun Sulhatun Suryadi Suryadi Suryadi Suryadi Suryadi Suryadi Suryati Suryati Syahputra, Iryan Syamsiar, Syamsiar Syarifah Syukri Syukri Syukriah Syukriah Syukriah Syukriah, Syukriah Tubagus Rayyan Fitra Sinuhaji Umaruddin Usman Wiza Ulfa Fibarzi Wusnah Wusnah, Wusnah Yasir Amani Yasir Amani Yasir Amani Yasir Amani, Yasir Amani Zahari, Zahari Zahrul Fuadi Zulmiardi, Zulmiardi