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Estimation Of Oil Consumption Due To In Cylinder Vaproization In Internal Combustion Engines
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Book Synopsis Estimation of Oil Consumption Due to In-cylinder Vaproization in Internal Combustion Engines by : William E. Audette
Download or read book Estimation of Oil Consumption Due to In-cylinder Vaproization in Internal Combustion Engines written by William E. Audette and published by . This book was released on 1999 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Analysis of Piston Ring Wear and Oil Consumption for an Internal Combustion Engine by : Boon-Keat Chui
Download or read book Computational Analysis of Piston Ring Wear and Oil Consumption for an Internal Combustion Engine written by Boon-Keat Chui and published by . This book was released on 2001 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Engine Oil Vaporization and Transport of the Oil Vapor in the Piston Ring Pack on Internal Combustion Engines by : Yeunwoo Cho
Download or read book Modeling Engine Oil Vaporization and Transport of the Oil Vapor in the Piston Ring Pack on Internal Combustion Engines written by Yeunwoo Cho and published by . This book was released on 2004 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model was developed to study engine oil vaporization and oil vapor transport in the piston ring pack of internal combustion engines. With the assumption that the multi-grade oil can be modeled as a compound of several distinct paraffin hydrocarbons, a set of equations governing the oil vapor density variations were derived by applying the mass conservation law to the amount of oil vaporized from the piston and the amount of oil vapor transported within the piston ring pack. The model was applied to a heavy-duty diesel engine. First, the case with the maximum oil supply to all the piston regions was studied and the results showed that, under this condition, the oil consumption from vaporization alone was far greater than the typical oil consumption value measured in the engine. Then, to show the contribution of oil vaporization to oil consumption and the dependence of vaporization on oil supply to different regions, different lubrication conditions for the high temperature regions of the piston were studied. Finally, a liquid oil transport model was integrated with this oil vaporization model in order to investigate the change of oil composition on the crown land with each engine cycle and the contribution of liquid-phase oil and vapor-phase oil to the total oil consumption under a fixed liquid oil supply rate to the crown land.
Author :American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference Publisher : ISBN 13 : Total Pages :484 pages Book Rating :4.3/5 (91 download)
Book Synopsis Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division by : American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference
Download or read book Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division written by American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference and published by . This book was released on 2000 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling the Evolution of Composition of the Fuel and Lubricant Mixture on the Cylinder Wall in Internal Combustion Engines by : Vinayak Teja Kalva
Download or read book Modeling the Evolution of Composition of the Fuel and Lubricant Mixture on the Cylinder Wall in Internal Combustion Engines written by Vinayak Teja Kalva and published by . This book was released on 2017 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements in engine efficiency are necessary for the advancement of modem engine technology. Fuels and lubricants used in internal combustion (IC) engines play an important role in governing the engine efficiency. In IC engines some amount of fuel spray can eventually end up on the cylinder liner. This fuel spray mixes with the oil (lubricant) present on the liner. Now the liquid layer on the liner consists of fuel and oil (fuel-oil film is formed) which interacts with the piston rings and the up-scraping of the fuel-oil film can cause the release of oil droplets into the combustion chamber. The released oil droplets lower the self-ignition temperature of the fuel vapor which might lead to pre-ignition. Pre-ignition is a phenomenon in which the fuel vapor ignites before the spark plug fires causing huge pressure rise which can be detrimental for the engine. The fuel spray on the liner can also pass through the piston rings during the compression stroke and can cause oil dilution in the crank case. The current work is mainly focused on analyzing the fuel-oil interaction on the cylinder liner. A numerical model has been developed in which fuel was modeled as a mixture of 10 hydrocarbon components and oil was modeled as a single n-alkane hydrocarbon. In this model, diffusion in the film, heat transfer in the film, and vaporization at the film-air interface have been coupled. Moving boundary (due to vaporization) was handled by solving the time required to remove the outermost layer while utilizing regular meshing. Implicit method and Newton's iteration method were used to ensure numerical stability and efficiency. Eventually the model calculates the remaining mixture thickness and content before the piston comes back to the specified location in the compression stroke. Some of the main inputs to the model are timing and location of the fuel droplets depositing on the liner, initial fuel film thickness, initial oil film thickness, liner temperature, and cylinder gas pressure. The results showed that with typical engine operational parameters, substantial portion of the initial film mixture still remains when the piston comes back if the initial fuel film thickness is in the range of 20 pm. Further studies were made to examine the consequences of the remaining mixture on the liner. A brief quantitative study was performed to compare the fuel-oil scraped volume and crevice volume. Additionally, the increase in ring-liner contact force due to local oil dilution on the liner was examined using an existing ring-liner lubrication model.
Book Synopsis Journal of the Society of Automotive Engineers by :
Download or read book Journal of the Society of Automotive Engineers written by and published by . This book was released on 1922 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. 30-54 (1932-46) issued in 2 separately paged sections: General editorial section and a Transactions section. Beginning in 1947, the Transactions section is continued as SAE quarterly transactions.
Book Synopsis The Journal of the Society of Automotive Engineers by : Society of Automotive Engineers
Download or read book The Journal of the Society of Automotive Engineers written by Society of Automotive Engineers and published by . This book was released on 1926 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Use of Cylinder Pressure for Estimation of the In-cylinder Air/fuel Ratio of an Internal Combustion Engine by : Per Anders Tunestal
Download or read book The Use of Cylinder Pressure for Estimation of the In-cylinder Air/fuel Ratio of an Internal Combustion Engine written by Per Anders Tunestal and published by . This book was released on 2000 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book SAE Technical Paper Series written by and published by . This book was released on 1999 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Oil Transport in the Power Cylinder of Internal Combustion Engines During Steady State and Transient Operation by : Steve Victor Przesmitzki
Download or read book Characterization of Oil Transport in the Power Cylinder of Internal Combustion Engines During Steady State and Transient Operation written by Steve Victor Przesmitzki and published by . This book was released on 2008 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Cont.) This work was the first comprehensive investigation of the mechanisms of oil transport in the piston ring pack of internal combustion engines during transient operation. Additionally, the understanding of oil transport to the cylinder liner during steady state operation was enhanced. This work is also the first investigation that developed a general overview of oil transport on the piston skirt. Such understanding of oil transport is a major step to controlling oil consumption during transient and steady state operation.
Book Synopsis Assessment of Fuel Economy Technologies for Light-Duty Vehicles by : National Research Council
Download or read book Assessment of Fuel Economy Technologies for Light-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2011-06-03 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles without compromising vehicle performance or safety. Assessment of Technologies for Improving Light Duty Vehicle Fuel Economy estimates the potential fuel savings and costs to consumers of available technology combinations for three types of engines: spark-ignition gasoline, compression-ignition diesel, and hybrid. According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29 percent at an additional cost of $2,200 to the consumer. Replacing spark-ignition engines with diesel engines and components would yield fuel savings of about 37 percent at an added cost of approximately $5,900 per vehicle, and replacing spark-ignition engines with hybrid engines and components would reduce fuel consumption by 43 percent at an increase of $6,000 per vehicle. The book focuses on fuel consumption-the amount of fuel consumed in a given driving distance-because energy savings are directly related to the amount of fuel used. In contrast, fuel economy measures how far a vehicle will travel with a gallon of fuel. Because fuel consumption data indicate money saved on fuel purchases and reductions in carbon dioxide emissions, the book finds that vehicle stickers should provide consumers with fuel consumption data in addition to fuel economy information.
Download or read book Report of Investigations written by and published by . This book was released on 1919 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Motorship and Diesel Boating written by and published by . This book was released on 1926 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1991 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1935 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Book Synopsis Estimation of the In-cylinder Air/fuel Ratio of an Internal Combustion Engine by the Use of Pressure Sensors by : Per Tunestål
Download or read book Estimation of the In-cylinder Air/fuel Ratio of an Internal Combustion Engine by the Use of Pressure Sensors written by Per Tunestål and published by . This book was released on 2001 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Oil and Gas Journal written by and published by . This book was released on 1928 with total page 1364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
