Coconut oil Biodiesel is an altemative fuel made from vegetable fat that is eco friendly and can reduccs fuel consumption and increases the good value of fuel, also decreases the exhaust emissions in diesel engine. Observation and research of the coconut biodiesel addition in diesel fuel toward machine prestige and exhaust emissions have been done. The parameters that have been researched are t…
Daily Explored and consumed petroleum will eventually run out, while the formation process takes millions years. The current availability of petroleum estimated only sufficient for a fe w years as the inc re asing of fuel consumption. Excessive fuel consumption will cause dwindling of petroleum reserve s, besides the exhaust gases from motor vehicles cause increasing air pollution. It led to do…
The increasing offuel price gives negative effect directly, especially for fishermen around the Coastal area, it makes their economy condition become worse. Coconut trees which grow near the source of water, basically have a high quality of growing and producing. Based on these ideas, research on the effect of adding coconut oil to the dex diesel of exhaust emissions and fuel consumption, using…
Palm oil Biodiesel is an altemative fuel made from vegetable oil that is environmentally friendly and can reduce fuel consumption and exhaust emissions in diesel motor fuel. It has been observed on the addition of palm oil biodiesel fuel Pertadex on fuel consumption and exhaust emissions in diesel motors. The parameters studied were specific fuel consisting of pure Pertadex, a mixture of 10% bi…
Need of Fuel for Fisherman in icreasing nowdays, Diesel fuel is one offuel which needs for fisherman to go to sea. Since government the policy increasing price of fuel and it causes negalive impact for fisherman, hecause if that the economic condision of fisherman is getting worst. To solve high this impact about increasing price, Coastal Area of Indonesia there are many coconut trees can be ut…
Regarding to development of motorcycle production, the consumption of fuel also increased. Accordingly, te pertamax oil is unlikely consumed by the people in accordance with price. Even the pertamax oil is much environmentally friendship.This research is trying to find the effect of mixing bot premium and pertamax in some ratios. Research result has shown that premium and pertamax mixture may l…
The research objective is to study coffee skin as fuel to dry coffee seeds by using tray drier at several direct and indirect heatings and coffee seed pile heights on fuel requirement per weight of dried coffee seeds and drying rate. This study was conducted at Farm Machinery and Equipment Laboratory, Agricultural Technology Department, Faculty of Agriculture, Sriwijaya University, Indralaya fr…
Hydrogen Hydrogen-Oxygen (HHO) gas is a renewable energy source that is gaining attention as a potential substitute for fossil fuels. HHO can be derived from water (H₂O) through a process called electrolysis using a dry cell HHO generator. This study aims to investigate the impact of adding HHO gas to Pertamax fuel with current variations of 2A, 3A, and 4A on exhaust emissions. The testing in…
Increasing consumption of fuel oil occurred in various regions in the world. However, world oil reserves decrease from year to year so that they become scarce and cause oil prices to soar. One method to reduce fuel use is to use alternative fuels such as ethanol. Ethanol fuel can be used by mixing it with fossil fuels or without (pure) mixture. This study aims to determine the effect of a mixtu…
SFR is a type of closed-fuel fast reactor that uses sodium or sodium as a coolant. Neutronic analysis of the geometry design of the Sodium-cooled Fast Reactor (SFR) core with 1000 MWTh Metallic Uranium fuel has been carried out so that the core design meets the criteria for neutronic parameters. The simulation was carried out using OpenMC software which has ENDF/B VIII.0 nuclear data library. T…
The use of motor vehicles in Indonesia will increase significantly over the years. Combining bioethanol with fossil fuels in gasoline engines can extend the life of the fuel supply, and improve combustion efficiency. Lack of alternative fuels that have not been developed perfectly can be done the addition of other materials that also come from renewable natural resources such as pure water with…
Road pavement is structural section of traffic lane which has Central jx>sition in road body. Road pavement age is related to surface durability which can be influenced by oil spill accidently especially for gasoline, diesel oil and lubricant brought by vehicle, so it may decrease road and Service age. Because of that, this research will detect the fact of influences by spilling oil out to Lata…
Penelitian ini menganalisis sel bahan bakar berbentuk pin dalam dua jenis bahan bakar campuran yaitu Uranium-Plutonium-Nitrida dan Uranium-Plutonium-Zirkonium. Setiap bahan bakar dilakukan variasi dengan mengubah persentase kandungan Uranium-235 sebanyak 0% hingga 10%. Menggunakan metode Monte Carlo dalam kode program OpenMC, perhitungan dilakukan untuk mendapatkan faktor multiplikasi efektif, …
Penelitian ini bertujuan untuk merancang dan merakit sistem pemilih bahan bakar untuk mesin diesel menggunakan mikrokontroler ATmega 8535. Metode yang digunakan pada penelitian ini adalah metode perancangan alat dan pengujian alat. Set point yang digunakan yaitu suhu > 85°C. Hasil penelitian disajikan menggunakan tabel dan grafik. Parameter yang diamati adalah suhu minyak goreng, lama pemansan…
The objective of this research was to find out the characteristics of a composite briquette without carbonized of agricultural waste with the addition of bladygrass as an ignition starter. This research was conducted in Biosystem Laboratory, Laboratory of Agricultural Chemistry, Department of Agricultural Technology, Faculty of Agriculture, University of Sriwijaya, and Laboratory of Mining and …
Tujuan dari penelitian ini adalah menganalisis kapasitas pembakaran dan pemanasan pada kompor biji jarak dengan berbagai diameter dan jumlah lubang sarangan kompor untuk tercapai efisiensi yang lebih tinggi pada kompor berbahan bakar biji jarak. Penelitian ini dilaksanakan di Laboratorium Perbengkelan dan Alat Mesin Pertanian Program Studi Teknik Pertanian Jurusan Teknologi Pertanian, Fakultas …
Penelitian ini bertujuan untuk memodifikasi kompor biji jarak dengan system pengumpanan bahan bakar jarak dan pengaturan ketinggian tempat bahan bakar. Penelitian dilaksanakan di Laboratorium Perbengkelan dan Alat Mesin Pertanian Program Studi Teknik Pertanian Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Sriwijaya, Indralaya pada Bulan April 2011 sampai Januari 2012. Metode yang…
Penelitian ini bertujuan untuk mempelajari karakteristik briket tanpa karbonisasi limbah pertanian dengan penambahan alang-alang sebagai starter penyalaan. Penelitian ini dilaksanakan di Laboratorium Biosistem, Laboratorium Kimia Hasil Pertanian, Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Sriwijaya dan Laboratorium Dinas Pertambangan dan Energi Sumatera Selatan. Penelitian ini…
Tujuan penelitian ini adalah untuk mengetahui kelayakan finansial dari campuran solar dan gas elpiji yang diujicobakan pada mesin traktor pertanian. Penelitian ini dilaksanakan di lahan Percobaan Fakultas Pertanian, Universitas Sriwijaya dan di Laboratorium Teknologi Pertanian, Teknik Pertanian, Universitas Sriwijaya, Indralaya pada bulan Maret sampai Juli 2010. Penelitian ini menggunakan metod…
ABSTRAK Limbah perkebunan berupa serat sabut kelapa dapat dimanfaatkan sebagai bahan karbon yang bernilai guna lebih tinggi. Pada penelitian ini dibahas tentang proses pembuatan dan karakterisasi serbuk karbon dan lembaran komposit karbon dengan memanfaatkan serat sabut kelapa sebagai bahan dasarnya. Lembaran komposit karbon yang dihasilkan dapat diaplikasikan sebagai Gas Diffusion Layer (GDL) …
It had been done the study of crude jatropha oil usage by heating jatropha seed as kerosin mixed matterial for a fUell. The aim of this research ware to know the rendemen of crude jatropha oil and the optimum condition blending between crude jatropha oil and cerosine. The blending B0, B25, B50, B75, BI00 were characterized by using ASTM (American Society for Testing Materials) method. The param…
Rumput laut memiliki nilai ekonomis yang sangat penting artinya bagi manusia. Beberapa tahun yang lalu, rumput laut hanya dimanfaatkan sebagai bahan makanan manusia. Mengingat masih banyaknya jenis rumput laut tidak popular yang belum banyak dimanfaatkan dan seiring dengan kemajuan sains dan teknologi, pemanfaatan rumput laut telah meluas di berbagai bidang, termasuk salah satunya pemanfaatan r…
Performansi motor bakar bensin dengan menggunakan bahan bakar campuran kemungkinan tidak akan sama dengan performansi apabila menggunakan bahan bakar bensin murni. Untuk itu diperlukan suatu pengujian untuk mengetahui performansi motor bakar bensin menggunakan bahan bakar campuran (gasoline dengan producer gas) dimana producer gas yang digunakan adalah hasil gasifikasi batu bara kualitas rendah…
Saat mesin berputar pada 5128 rpm, torsi maksimum yang menggunakan bahan bakar ini dengan nilai rum 92 adalah 9,11 N.m. Torsi maksimum yang dihasilkan pada 90 rum adalah 8,59 Nm dan kecepatan 49285rpm. Hal ini menunjukkan bahwa torsi tertinggi yang dihasilkan oleh bahan bakar dengan nilai 92 rum lebih besar dibandingkan dengan torsi yang diperoleh dari bahan bakar dengan nilai 90 rum. Hasil pen…
Meningkatnya penggunaan pada kendaraan bermotor menyebabkan semakin menipisnya cadangan minyak bumi dan meningkatnya polusi udara. Maka diperlukannya bahan bakar alternatif dan komponen pengendali emisi pada sepeda motor. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan campuran bahan bakar pertalite dan etanol terhadap performansi sepeda motor yang menggunakan catalytic converter.…