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The Effects Of Lubricating Oil Consumption On The Detailed Characteristics Of Diesel Particulate Matter
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Book Synopsis The Effects of Lubricating Oil Consumption on the Detailed Characteristics of Diesel Particulate Matter by : Nathan D. Forster
Download or read book The Effects of Lubricating Oil Consumption on the Detailed Characteristics of Diesel Particulate Matter written by Nathan D. Forster and published by . This book was released on 2003 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sensitivity of the Detailed Characteristics of Diesel Particulate Matter Emissions Under Steady State, Light-load Engine Operation by : John C. Stetter
Download or read book Sensitivity of the Detailed Characteristics of Diesel Particulate Matter Emissions Under Steady State, Light-load Engine Operation written by John C. Stetter and published by . This book was released on 2004 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Engine Operating Conditions and Fuel Composition on the Detailed Characteristics of Diesel Exhaust by : Chol-Bum Kweon
Download or read book The Effects of Engine Operating Conditions and Fuel Composition on the Detailed Characteristics of Diesel Exhaust written by Chol-Bum Kweon and published by . This book was released on 2002 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Particulate Matter and Combustion Characteristics of a Diesel Engine Fueled with Palm Oil Methyl Ester and Diesel Blends by : Ahmad Fitri Bin Yusop
Download or read book Investigation of Particulate Matter and Combustion Characteristics of a Diesel Engine Fueled with Palm Oil Methyl Ester and Diesel Blends written by Ahmad Fitri Bin Yusop and published by . This book was released on 2015 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Synergistic Effects of Lubricant Additive Chemistry on Ash Properties Impacting Diesel Particulate Filter Flow Resistance and Catalyst Performance by : Sean Andrew Munnis
Download or read book Synergistic Effects of Lubricant Additive Chemistry on Ash Properties Impacting Diesel Particulate Filter Flow Resistance and Catalyst Performance written by Sean Andrew Munnis and published by . This book was released on 2011 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel particulate filters (DPF) have seen widespread use in recent years in both on- and offroad applications as an effective means for meeting the increasingly stringent particulate emission regulations. Overtime, engine-out particulate matter composed of soot and incombustible ash accumulate within the DPF. Although soot can be removed by oxidation, ash remains within the filter and substantially accumulates over time leading to increased flow restriction thus a pressure drop across the filter. An increased pressure drop negatively affects the engine performance & fuel economy leading to the need for filter removal and cleaning. The adverse effects of ash accumulation on DPF performance have been extensively studied in the past and are well know yet the underlying mechanisms for their presence are still not well understood. The ash which accumulates within a DPF is a product of a number of factors including engine wear and corrosion as well as trace metals in diesel fuel, but the majority of the engine out ash is derived from specific metallic additives placed within the diesel lubricant. This work examines the properties of ash derived from specific single lubricant additives, as well as simple combinations, and their adverse effect on DPF performance. Specific ash properties are examined such as porosity, permeability, deposit thicknesses and packing densities along the filter channel walls as a cake layer as well as the resultant end plugs in the rear of the filter channels. Through a combined approach of experiments and theoretical models, the link between the material properties and characteristics of ash derived from single additives as well as combinations can be made to their respective impact on DPF performance. The results of this research are among a few of its kind and aim to help optimize the design of advanced diesel aftertreatment systems as well as lubricant formulations to satisfy the additive requirements for engine protection while mitigating the negative effects on DPF performance.
Book Synopsis Impact of Particulate Matter Composition on Catalyzed Diesel Particulate Filter Filtration and Regeneration on a Steady State Research Diesel Engine by : Matthew Bohm
Download or read book Impact of Particulate Matter Composition on Catalyzed Diesel Particulate Filter Filtration and Regeneration on a Steady State Research Diesel Engine written by Matthew Bohm and published by . This book was released on 2005 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Filtration Velocities and Particulate Matter Characteristics on Diesel Particulate Filter Wall Loading Performance by : Ekathai Wirojsakunchai
Download or read book The Effects of Filtration Velocities and Particulate Matter Characteristics on Diesel Particulate Filter Wall Loading Performance written by Ekathai Wirojsakunchai and published by . This book was released on 2008 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Micro-scale Investigation of Filtration Velocity and Particulate Matter Characteristics Effects on Diesel Particulate Filter Wall Loading by : Renato A. Yapaulo
Download or read book Micro-scale Investigation of Filtration Velocity and Particulate Matter Characteristics Effects on Diesel Particulate Filter Wall Loading written by Renato A. Yapaulo and published by . This book was released on 2009 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particulate Emissions from Vehicles by : Peter Eastwood
Download or read book Particulate Emissions from Vehicles written by Peter Eastwood and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: The public health risks posed by automotive particulate emissions are well known. Such particles are sufficiently small to reach the deepest regions of the lungs; and moreover act as carriers for many potentially toxic substances. Historically, diesel engines have been singled out in this regard, but recent research shows the need to consider particulate emissions from gasoline engines as well. Already implicated in more than one respiratory disease, the strongest evidence in recent times points to particle-mediated cardiovascular disorders (strokes and heart attacks). Accordingly, legislation limiting particulate emissions is becoming increasingly stringent, placing great pressure on the automotive industry to produce cleaner vehicles - pressure only heightened by the ever-increasing number of cars on our roads. Particulate Emissions from Vehicles addresses a field of increased international interest and research activity; discusses the impact of new legislation globally on the automotive industry; and explains new ways of measuring particle size, number and composition that are currently under development. The expert analysis and summary of the state-of-the-art, which encompasses the key areas of combustion performance, measurement techniques and toxicology, will appeal to R&D practitioners and engineers working in the automotive industry and related mechanical fields, as well as postgraduate students and researchers of engine technology, air pollution and life/ environmental science. The public health aspects will also appeal to the biomedical research community.
Book Synopsis Influence of Engine Operating Condition and Aftertreatment Component Selection on Diesel Particulate Filter Operation by : Eric L. Schroeder
Download or read book Influence of Engine Operating Condition and Aftertreatment Component Selection on Diesel Particulate Filter Operation written by Eric L. Schroeder and published by . This book was released on 2006 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Health Effects Associated with Diesel Exhaust Emissions by : Joseph Santodonato
Download or read book Health Effects Associated with Diesel Exhaust Emissions written by Joseph Santodonato and published by . This book was released on 1978 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Lubrication System Parameters and Exhaust Aqueous Injection on Diesel Engine Oil Consumption and Emissions by : Eric John Ford
Download or read book The Effects of Lubrication System Parameters and Exhaust Aqueous Injection on Diesel Engine Oil Consumption and Emissions written by Eric John Ford and published by . This book was released on 1995 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Impact of Oil Consumption Mechanisms on Diesel Exhaust Particle Size Distributions and Detailed Exhaust Chemical Composition by : D. Foster
Download or read book The Impact of Oil Consumption Mechanisms on Diesel Exhaust Particle Size Distributions and Detailed Exhaust Chemical Composition written by D. Foster and published by . This book was released on 2003 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detailed exhaust emission data have been taken from a Cummins N-14 single cylinder research engine in which the oil consumption was varied by different engine modifications. Low sulfur fuel was used, and oil consumption was varied by modifying the intake valve stem seals, the exhaust valve stem seals, the oil control ring and combinations of these modifications. Detailed measurements of exhaust gas particle size distributions and chemical composition were made for the various oil consumption configurations for a range of engine loads and speeds. The particulate mass was measured with TEOM and traditional gravimetric filter methods. Filter data for EC/OC, sulfates and trace metals have been taken and analyzed. The trace metals in the particulate mass serve as the basis for assessing oil consumption at the different operating conditions. The data indicate that the oil consumption for the steady state testing done here was approximately an order of magnitude below oil consumption values cited in the literature. We did measure changes in the details of the chemical composition of the particulate for the different engine operating conditions, but it did not correlate with changes in the oil consumption. Furthermore, the data indicate that the particle size distribution is not strongly impacted by low level oil consumption variations observed in this work.
Download or read book Biokerosene written by Martin Kaltschmitt and published by Springer. This book was released on 2017-08-09 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed overview of aspects related to the overall provision chain for biokerosene as part of the global civil aviation business. Starting with a review of the current market situation for aviation fuels and airplanes and their demands, it then presents in-depth descriptions of classical and especially new types of non-edible biomass feedstock suitable for biokerosene provision. Subsequent chapters discuss those fuel provision processes that are already available and those still under development based on various biomass feedstock materials, and present e.g. an overview of the current state of the art in the production of a liquid biomass-based fuel fulfilling the specifications for kerosene. Further, given the growing interest of the aviation industry and airlines in biofuels for aviation, the experiences of an air-carrier are presented. In closing, the book provides a market outlook for biokerosene. Addressing a broad range of aspects related to the pros and cons of biokerosene as a renewable fuel for aviation, the book offers a unique resource.
Book Synopsis Diesel Particulate Emissions Landmark Research 1994-2001 by : John H Johnson
Download or read book Diesel Particulate Emissions Landmark Research 1994-2001 written by John H Johnson and published by SAE International. This book was released on 2002-02-20 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Lubricant Oil Consumption Effects on Diesel Exhaust Ash Emissions Using a Sulfur Dioxide Trace Technique and Thermogravimetry by : Michael J. Plumley
Download or read book Lubricant Oil Consumption Effects on Diesel Exhaust Ash Emissions Using a Sulfur Dioxide Trace Technique and Thermogravimetry written by Michael J. Plumley and published by . This book was released on 2005 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) Volatile organic fraction and ash emission rates measured using thermogravimetric analysis indicate exhaust ash increases correlate with increasing sulfated ash content and lubricant consumption. Increased exhaust Sulfur and wear metal debris can also increase relative ash in particulate. Particulate generated using high Sulfur fuels has a higher ash emission rate than that obtained using near zero Sulfur fuel. The consequences of on road emissions improvements will have a significant impact on -the marine industry in coming years. New emissions regulations are reducing allowable particulate emission from marine diesels for the first time, with adaptation of on road ·technologies for these applications expected in the near future.
Download or read book Highway Safety Literature written by and published by . This book was released on 1977 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
