Ashraful AlamUniversity of Melbourne | MSD · Department of Chemical and Biomolecular Engineering
Ashraful Alam
Doctor of Philosophy (Chemical Engineering)
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29
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Introduction
Skills and Expertise
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May 2013 - June 2016
Publications
Publications (29)
A detailed chemical kinetic model has been developed for supercritical water oxidation (SCWO) of methylamine, CH3NH2, providing insight into the intermediates and final products formed in this process as well as the dominant reaction pathways. The model was adapted from previous mechanisms, with a revision of the peroxyl radical chemistry to includ...
The atmospheric oxidation of amines proceeds via initial radical attack at C–H or N–H bonds to form carbon‐ and nitrogen‐centered radicals, respectively. It is conventionally assumed that nitrogen‐centered aminyl radicals react slowly with oxygen in the troposphere and associate predominantly with the radicals •NO and NO2• to form toxic nitrosamine...
Biodiesel has been a promising clean alternative fuel to fossil fuels, which cuts the emissions that are released by fossil fuels, and perhaps reduces the energy crisis induced by the exhaustion of oil resources in the near future. In this study, the effect of antioxidant additive on engine performance and emission characteristics of an engine fuel...
Lubricants is mostly used to reduce the friction and wear from the sliding and metal contact surfaces, because of which can smoothly moves in each other. Nowadays, it is important issue to protect the environment and replace the mineral oil due to the increase of the oil prices and reduction of the oil reserves. It is essential to find out an alter...
The purpose of this work is to test the feasibility of biodiesel as a substitute for diesel used in a direct injection (DI) diesel engine. The biodiesel was produced by an esterification and transesterification process. Experiments were conducted with diesel–biodiesel blends containing 10 and 20% biodiesel with the diesel fuel. The results of the b...
A comparative morphological analysis was performed on the exhaust particles emitted from a CI engine using different blending ratios of palm biodiesel at several operating conditions. It was observed from this experiment; peak particle concentration for PB10 at 1200 rpm is 1.85E + 02 and at 1500 rpm is 2.12E + 02. A slightly smaller amount of volat...
The aim of this review is to study the opportunities and prospects of introducing diesel–biodiesel–ethanol/bioethanol blend as fuel in the existing diesel engines. The study is based on the engine emissions and its performance. The energy policies and the ever growing energy demand of the world, require an alternative to fossil fuels. In this quest...
Biodiesel consists of long chain fatty acid esters derived from vegetable oils, animal fats, and used oils. Biodiesel contains different types, amounts, and configurations of unsaturated fatty acids, which are prone to oxidation. Biodiesel stability is affected by its interaction with atmospheric oxygen, light, temperature, storage condition, and f...
The purpose of this study is to investigate the effect of jatropha oil doped with lube oil on tribological characteristics of IP 239 standard using four ball tribotester. The ball test material was EN31 steel, 12.7 mm in diameter with a surface finish of 0.1 micrometer center lime average (CLA). The test was performed at temperature of 750c with di...
The energy crisis facing the world today is the result of the continuous depletion of fossil fuels caused by high usage demand. To alleviate the situation, researchers and scientists have been searching for low-cost, eco-friendly, and readily available substitutes to fossil fuel. Biodiesel can be a promising alternative source of energy. This study...
Now-a-days the demand of alternative fuel is continuously increasing all over the world due to the rapid depletion of fossil fuel and increased global demand. Biodiesel is renewable and sustainable energy source derived from vegetable oils and animal fats which can be the best substitute of fossil fuel. This paper investigates the property of diffe...
Biodiesel can be described as a safe alternative fuel, which can replace petroleum diesel in the future. It consists of long-chain fatty acid methyl esters (FAME). Biodiesel has high lubricity and is a clean burning fuel. It also produces less air pollution, is renewable biodegradable, and is safer for the environment. Since biodiesel is produced f...