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Yasir Amani Yasir Amani
Universitas Malikussaleh
Control & Systems Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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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   
Co-Authors Ade Ariansyah Ritonga Akbar Gultom Dede Irawan Faisal Faisal Ferri Safriwardy Heindrix Hidayat M.Iqbal A.Putra Putra Muhammad Sayuthi