A Comparative Study of Particulate and Gaseous Emissions, of a Diesel Engine Fuelled Conventionally and with Dimethyl Ether
Author | : Byron Ajax Alexander Leonsins |
Publisher | : |
Total Pages | : 288 |
Release | : 2014 |
Genre | : Diesel fuels |
ISBN | : |
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Author | : Byron Ajax Alexander Leonsins |
Publisher | : |
Total Pages | : 288 |
Release | : 2014 |
Genre | : Diesel fuels |
ISBN | : |
Author | : Maciej Stanislaw Kaczor |
Publisher | : |
Total Pages | : 202 |
Release | : 2002 |
Genre | : Diesel motor |
ISBN | : |
Author | : Richard Viskup |
Publisher | : BoD – Books on Demand |
Total Pages | : 134 |
Release | : 2020-03-18 |
Genre | : Technology & Engineering |
ISBN | : 178984035X |
The first invention and development of the functional diesel engine was in 1897 by Rudolf Christian Karl Diesel, German inventor. Until now, this invention has been superseded by the development of very productive engines and mechanics. Current diesel engines are well known to many people around the world and serve in innumerable applications for various types of public transport, light and heavy duty transportation, for automotive, railway, maritime or aviation transportation, in different harsh environments, in construction, in mining, and for diverse industries. The light duty or heavy-duty diesel engines have some drawbacks. One of the main concerns is connected with exhaust emissions generated by diesel engines. This book discusses the generation of diesel exhaust emissions and mitigations, performance, emissions and combustion evaluations, utilisation of alternative biodiesel fuels, comparison of different techniques for measurement of soot and diesel particulate matter, analyses of diesel particulate matter flow pattern, and chemical composition of diesel particulate matter. The main concern of this book is to expand knowledge of readers and bring together the latest research findings related to diesel engine exhaust emissions.
Author | : Avinash Kumar Agarwal |
Publisher | : Springer |
Total Pages | : 269 |
Release | : 2018-11-01 |
Genre | : Technology & Engineering |
ISBN | : 9811332991 |
This book provides a comparative analysis of both diesel and gasoline engine particulates, and also of the emissions resulting from the use of alternative fuels. Written by respected experts, it offers comprehensive insights into motor vehicle particulates, their formation, composition, location, measurement, characterisation and toxicology. It also addresses exhaust-gas treatment and legal, measurement-related and technological advancements concerning emissions. The book will serve as a valuable resource for academic researchers and professional automotive engineers alike.
Author | : John H Johnson |
Publisher | : SAE International |
Total Pages | : 636 |
Release | : 2002-02-20 |
Genre | : Technology & Engineering |
ISBN | : 0768009987 |
The need for manufacturers to meet U.S. Environmental Protection Agency (EPA) mobile source diesel emissions standards for on-highway light duty and heavy duty vehicles has been the driving force for the control of diesel particulate and NOx emissions reductions. Diesel Particulate Emissions: Landmark Research 1994-2001 contains the latest research and development findings that will help guide engineers to achieve low particulate emissions from future engines. Based on extensive SAE literature from the past seven years, the 45 papers in this book have been selected from the SAE Transactions Journals.
Author | : National Research Council (U.S.). Diesel Impacts Study Committee. Technology Panel |
Publisher | : National Academies |
Total Pages | : 400 |
Release | : 1982 |
Genre | : Automobiles |
ISBN | : |
Author | : William E. Pepelko |
Publisher | : |
Total Pages | : 596 |
Release | : 1980 |
Genre | : Diesel motor exhaust gas |
ISBN | : |
Author | : United States. National Highway Traffic Safety Administration |
Publisher | : |
Total Pages | : 518 |
Release | : 1979 |
Genre | : Diesel motor |
ISBN | : |
Author | : Ahmad Fitri Bin Yusop |
Publisher | : |
Total Pages | : 234 |
Release | : 2015 |
Genre | : Dissertations, Academic |
ISBN | : |
Diesel engines are attractive power units that are used widely in many fields and have become one of the larger contributors of total petroleum consumption. However, diesel engines are among the main contributors to emissions into the air, especially particulate matter (PM) and nitrogen oxides (NOx). PM is one of the major pollutants emitted by diesel engines and has adverse effects on human health. However, not many studies have been conducted on the PM concentration and PM morphological and size distribution on biodiesel fuel. Biodiesel, which produces less PM than diesel fuel, is preferred as an alternative source for diesel engines. Therefore, using palm oil methyl ester (POME) for diesel engines would be a more economical and sustainable solution. The objective of this research is to study the PM emissions characteristic from diesel engines fuelled with a diesel and POME blend. A transmission electron microscope (TEM) was used to determine the aggregate fractal prefactor, spherule, and aggregate size distribution. A comparison between diesel and the POME blend was made in terms of PM characterization, which involves PM mass concentration, its components soluble organic fraction (SOF) and dry soot (DS), and its influence on PM morphology such as spherule and aggregate correlation. Combustion characteristics such as in-cylinder pressure and rate of heat release of the engine as well as gaseous emissions were also observed at different operating engine loads. The results show that PM emissions of B100 are lower than those of diesel fuel owing to the oxygen content of POME. Observations of images on PM morphology showed a chainlike agglomeration, which is an extremely small non-uniform nanostructure. Simultaneously, the aggregate size distribution shifted to a smaller diameter as the blending ratio of POME in the fuel increased. The observation of in-cylinder pressure showed that the increment of pressure with the increasing POME blend as well as the increasing engine load is due to high cetane number for B100 that led to a shorten ignition delay. The engine brake thermal efficiency between the POME blend and mineral diesel was comparable. Furthermore, B100 fuels showed lower engine power at higher brake-specific fuel consumption compared to other tested fuels. In terms of gaseous emissions, increasing POME blends led to an increase in CO2 and NOx while decreasing CO emission. Meanwhile, as the engine load increased, CO2, NOx and CO also continued to increase. The effect of the POME blend on the PM-NOx trade-off observation showed that B100 simultaneously increased the NOx and decreased the PM emission. Both the wavelet analysis and coefficient of variation revealed that increasing the POME ratio provided a noticeable effect on increasing the engine cycle-to-cycle variations. It can be concluded that POME creates lower PM concentration while giving some negative feedback to NOx and resulting in smaller particle size. Moreover, the findings reveal that by having the wavelet analysis, one can predict the behavior of the PM emissions and subsequently further research helps to reduce them effectively and economically.