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Open AccessJournal ArticleDOI

Investigation of emissions and combustion characteristics of a CI engine fueled with waste cooking oil methyl ester and diesel blends

TLDR
In this paper, in-depth research and comparative study of blends of biodiesel made from WCO and diesel is carried out to bring out the benefits of its extensive usage in CI engines.
Abstract
Biodiesel has been identified as a potential alternative fuel for CI engines because use of biodiesel can reduce petroleum diesel consumption as well as engine out emissions Out of many biodiesel derived from various resources, biodiesel from Waste Cooking Oil (WCO) can be prepared economically using usual transesterification process In the present study, in-depth research and comparative study of blends of biodiesel made from WCO and diesel is carried out to bring out the benefits of its extensive usage in CI engines The experimental results of the study reveal that the WCO biodiesel has similar characteristics to that of diesel The brake thermal efficiency, carbon monoxide, unburned hydrocarbon and smoke opacity are observed to be lower in the case of WCO biodiesel blends than diesel On the other hand specific energy consumption and oxides of nitrogen of WCO biodiesel blends are found to be higher than diesel In addition combustion characteristics of all biodiesel blends showed similar trends when compared to that of conventional diesel

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A review on the properties, performance and emission aspects of the third generation biodiesels

TL;DR: In this paper, the authors highlight and review the properties of a variety of the biodiesel fuels derived from non-edible feedstocks which are termed as third generation biodiesel and its effects on the performance and emissions of the diesel engines.
Journal ArticleDOI

A comprehensive review on performance, combustion and emission characteristics of biodiesel fuelled diesel engines

Abstract: Direct injection diesel engines are more popular in the automotive sector than spark ignition (SI) engines due to its fuel lean operation However, the demand of fossil fuel is rising day by day and hence the major fuel source of diesel engine, the petroleum based fuel, is depleting rapidly Many countries depend mainly on imported fossil fuels due to lack of fuel reserves and it has great impact on the economy In addition to this, the major concerns of diesel engine are its oxides of nitrogen and smoke emissions Therefore, for the past several decades extensive efforts are being made to search for alternate fuels to overcome the dependence on fossil fuel and environment pollution In this regard, several alternate fuels namely hydrogen, oxygenated fuels like alcohol fuels, dimethyl ether and biodiesel fuels etc, have been extensively analysed Recent studies show that biodiesel is one of the most promising alternate fuels for diesel engines because of its biodegradable, oxygenated, sulphur free and renewable characteristics Hence, it is getting the attention of researchers all over the world The blends of biodiesel with fossil diesel have many benefits like reduction in emissions, lower engine wear, lesser engine oil consumption and comparable thermal efficiency vis-a-vis diesel fuel Exhaustive experimental works have been carried out to analyse the suitability of biodiesel fuel as alternate fuel and to explore their advantages in diesel engines Hence, this paper is attempted to present a comprehensive review on the performance, combustion and emission characteristics of some important biodiesel fuels on diesel engines This comprehensive review on the published literature will be helpful to the researchers to understand the state-of-the-art technology of the biodiesel fuelled compression ignition engine
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Biodiesel as alternative fuel for marine diesel engine applications: a review.

TL;DR: In this article, the authors provide a comprehensive review of biodiesel as an alternative fuel for marine diesel engine applications and conclude that biodiesel and its blends have a bright future in the marine sector, provided some of the highlighted issues can be solved.
Journal ArticleDOI

A review of global current scenario of biodiesel adoption and combustion in vehicular diesel engines

TL;DR: In this paper, the authors explored the comprehensive utilization of biodiesel as engine fuel and showed the prevalent global current adoption in automobiles engines, and the improved state of things in achieving effective power conversion from biodiesel combustion with minimal emission impact on the environment has been documented.
References
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Journal ArticleDOI

Biofuels (alcohols and biodiesel) applications as fuels for internal combustion engines

TL;DR: In this article, a review of the production, characterization and current statuses of vegetable oil and biodiesel as well as the experimental research work carried out in various countries is presented.
Journal ArticleDOI

Variables affecting the yields of fatty esters from transesterified vegetable oils

TL;DR: In this paper, the authors showed that the conversion to methyl, ethyl and butyl esters from cottonseed, peanut, soybean and sunflower oils can be done in 1 hr with an alkaline catalyst.
Journal ArticleDOI

Triglycerides-based diesel fuels

TL;DR: The main advantages of using biodiesel are its renewability, better-quality exhaust gas emissions, its biodegradability and given that all the organic carbon present is photosynthetic in origin, it does not contribute to a rise in the level of carbon dioxide in the atmosphere and consequently to the greenhouse effect as mentioned in this paper.
Journal ArticleDOI

Waste cooking oil – an economical source for biodiesel: a review

TL;DR: In this paper, a review of the methods for the transesterification of waste cooking oil and the performance of biodiesel obtained from waste cooking oils in a commercial diesel engine is presented, and the effects of the products formed in the frying process on biodiesel quality are examined.
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