Green Engine seminar report.DOC (Size: 107 KB / Downloads: 3197) ABSTRACT The green engine is one of the most interesting discoveries of the new millennium. It has got some unique features that were used for the first time in the making of engines. This engine is a piston less one with features like sequential variable compression ratio‚ direct air intake‚ direct fuel injection‚ multi-fuel usage etc. The efficiency of this engine is high when compared to the contemporary engines and also the exhaust
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Emission Control Techniques 1. INTRODUCTION The need to control the emissions from automobiles gave rise to the computerization of the automobile. Hydrocarbons‚ carbon monoxide and oxides of nitrogen are created during the combustion process and are emitted into the atmosphere from the tail pipe. There are also hydrocarbons emitted as a result of vaporization of gasoline and from the crankcase of the automobile. The clean air act of 1977 set limits as to the amount of each of these pollutants
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applied‚ such as EGR or after-treatment systems. The optimization of the piston bowl and injector design may also bring significant improvements on NOx and soot reduction. Piston bowl profile‚ injector nozzle diameter and angle‚ injector position on combustion chamber‚ and calibration variables (injection start‚ fuel mass‚ etc..) are some of the parameters that can be set for this purpose. The larger use of EGR system is a trend for the upcoming Diesel engines as it is
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fuel and characteristics which mean that it can be stored‚ renewed and transferred. It is less restricted by natural conditions. Biomass energy can be transferred to useful thermal energy‚ electrical energy and the fuel as power by means of direct combustion‚ gasification and liquidation. High-grade combustible gas like CO‚ H2 and methane can be formed by the gasification of biomass. Biogas can be produced by anaerobic digestion of biomass and liquid fuel using‚ for example‚ thermalization‚ biochemistry
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The Diesel Engine Diesel engines are very similar to the gasoline engine you may find in a car. They both are internal combustion engines‚ have a four stroke cycle‚ and convert chemical energy from fuel into mechanical energy. However‚ the manner in which the combustion stroke is attained sets these two engines apart‚ and although a seemingly meaningless change‚ a large change in efficiency results. (Diesel Engines vs. Gasoline Engines) The diesel engine was invented by Rudolf Diesel in 1892
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negative impacts on its relevant environmental‚ economic‚ social‚ and health aspects. Alkane is a saturated hydrocarbon compound‚ which is‚ consists of C-C and C-H single bonds. Alkanes are highly combustible and it is a valuable fuel‚ and during combustion reaction‚ alkane can release a very large amount of heat and the product yield from this reaction is H2O (water)‚ and CO2 (carbon dioxide) or CO (carbon monoxide)‚ in which depends on whether the reaction is complete or incomplete. The first 4 alkanes
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sources to drive the system‚ thus it runs with a battery powered electric motor and an internal combustion engine. In this report i will describe the features‚ operations and applications of both the electric and hybrid alternative drive systems. Electric Drive System Electric drive system vehicle is an electrically operated. It has an electric motor as the power plant rather than an internal combustion engine. The electric motor is control by a controller and that is why when we look at the electric
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improving the engine. Their two-stroke engine won a gold medal at the 1867 World’s Fair in Paris. The company was named N.A. Otto & Cie.‚ which was the first company to manufacture internal combustion engines. The company exists today as Klockner-Humbolt-Deutz AG‚ the oldest company manufacturing internal combustion engines and the world’s largest manufacturer of air-cooled diesel engines. An Otto cycle is an idealized thermodynamic cycle which describes the functioning of a typical spark ignition
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vehicles‚ and the future effectiveness of policies to control emissions from gasoline vehicles. INTRODUCTION Exhaust pollution originates inside an engine’s cylinder‚ where the mixture of air and gasoline is rapidly bounded. The head from combustion creates a high pressure‚ pushing the piston to produce the mechanical energy that moves the car
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NANO INTERNAL COMBUSTION ENGINES ABSTRACT NANO… Nanotechnology in mechanical field is the internal combustion engine on a nano scale‚ which we have chosen as our area of interest. Heat engines have evolved from external combustion engines to internal combustion engines and the hot off the block is the nano internal combustion engine . This picture gives an idea of the size of
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