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Zone Heated Inlet Ignited Diesel Particulate Filter Regeneration
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Book Synopsis Zone Heated Inlet Ignited Diesel Particulate Filter Regeneration by :
Download or read book Zone Heated Inlet Ignited Diesel Particulate Filter Regeneration written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An exhaust system that processes exhaust generated by an engine is provided. The system includes: a particulate filter (PF) that is disposed downstream of the engine and that filters particulates from the exhaust; and a grid that includes electrically resistive material that is segmented by non-conductive material into a plurality of zones and wherein the grid is applied to an exterior upstream surface of the PF.
Book Synopsis Diesel Particulate Filter Regeneration with an External Burner by : Kenneth Michael Follen
Download or read book Diesel Particulate Filter Regeneration with an External Burner written by Kenneth Michael Follen and published by . This book was released on 2007 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Particulate matter has been identified by health agencies as a health risk and suspected of causing acute and chronic damage to the pulmonary and cardiovascular systems. Since diesel engines are well known for their soot production, legislation has been adopted to regulate the release of particulate matter into the atmosphere. As these emissions standards become increasingly stringent, new methods of emission control become necessary. Of the options currently available, particulate filters appear to be the most promising solution to meet and exceed these emission standards. Particulate traps have been shown to successfully filter out up to 90 % of particulate matter. However, as particulate traps filter particulate matter they become filled, resulting in an increase in the exhaust back pressure. To alleviate this increase in pressure, the filter must be regenerated, i.e. the particulate matter must be ignited and burned away leaving a clean trap. Of the current regeneration methods, active regeneration via an external burner is one of the more robust methods. The scope of this work is to design a fuel-fired heater for the purpose of supplying sufficient quantities of heat to elevate the exhaust temperature to the point at which diesel particulate filter (DPF) regeneration will occur. As a precursor to the design, an in-depth literature review on the current state of the art, as well as calculations of the design.
Book Synopsis Particle Filter Retrofit for All Diesel Engines by : Andreas Mayer
Download or read book Particle Filter Retrofit for All Diesel Engines written by Andreas Mayer and published by expert verlag. This book was released on 2008 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling and Analysis of Particulate Matter Deposition and Regeneration in a Diesel Particulate Filter by : Mengting Yu
Download or read book Modeling and Analysis of Particulate Matter Deposition and Regeneration in a Diesel Particulate Filter written by Mengting Yu and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Diesel engines are widely used because of their high efficiency and low “greenhouse gas” emission. The particulate matter (PM) emitted by a diesel engine is collected and then burned in a diesel particulate filter (DPF). Analysis and modeling works have been done in this research to provide insight on optimization of the DPF design and operating conditions to achieve low pressure drop across the filter to decrease fuel consumption and low peak temperature during regeneration to avoid filter melting, cracking, and/or catalyst deactivation. Limiting models of the 1-D two-channel DPF model are analyzed. Analytical predictions and physical insight on the filtration velocity, pressure drop, heat transfer, light-off and regeneration in a DPF are obtained. The hydraulic analysis enables an efficient optimization of the DPF that lead to a more uniform PM deposition profile and a decrease of the pressure drop. The heat transfer, light-off and regeneration analysis enable estimations of the DPF heat-up time, the speed and width of the temperature front, the light-off temperature and time, and the peak regeneration temperature. New DPF regeneration procedures are proposed to limit the maximum local temperature rise. In various cases a DPF is connected by a wide-angled cone (diffuser) to the engine exhaust pipe. A 2-D axisymmetric PM deposition and regeneration model is developed to investigate the impact of the inlet cone on the deposition rate and the regeneration temperature as well as on the transient inlet velocity distribution among the various DPF channels. The highest regeneration temperature and thermal stress when using an inlet cone may be quite higher than when it is absent. A major technological challenge in the regeneration of the ceramic cordierite filter is that a sudden decrease of the engine load, referred to as Drop to Idle (DTI), may create a transient temperature peak much higher than under either the initial or final stationary feed conditions. This excessive transient temperature rise may cause local melting or cracking of the ceramic filter. Suggestions on how to limit the peak temperature rise following a DTI are provided through numerous simulations of the 1-D and 2-D DPF regeneration models.
Book Synopsis Diesel Particulate Filter Technology by : Timothy V Johnson
Download or read book Diesel Particulate Filter Technology written by Timothy V Johnson and published by SAE International. This book was released on 2007-03-28 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until recently, the complexity of the Diesel Particulate Filter (DPF) system has hindered its commercial success. Stringent regulations of diesel emissions has lead to advancements in this technology, therefore mainstreaming the use of DPFs in light- and heavy-duty diesel filtration applications. This book covers the latest and most important research in DPF systems, focusing mainly on the advancements of the years 2002-2006. Editor Timothy V. Johnson selected the top 29 SAE papers covering the most significant research in this technology.
Book Synopsis Zone Heated Diesel Particulate Filter Electrical Connection by :
Download or read book Zone Heated Diesel Particulate Filter Electrical Connection written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An electrical connection system for a particulate filter is provided. The system includes: a particulate filter (PF) disposed within an outer shell wherein the PF is segmented into a plurality of heating zones; an outer mat disposed between the particulate filter and the outer shell; an electrical connector coupled to the outer shell of the PF; and a plurality of printed circuit connections that extend along the outer surface of the PF from the electrical connector to the plurality of heating zones.
Book Synopsis Diesel Particulate Filter (DPF) Regeneration by Electrical Heating of Resistive Coatings by :
Download or read book Diesel Particulate Filter (DPF) Regeneration by Electrical Heating of Resistive Coatings written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust. An electrical heater is integrally formed in an upstream end of the DPF and selectively heats the exhaust to initiate combustion of the particulates within the exhaust as it passes therethrough. Heat generated by combustion of the particulates induces combustion of particulates within the DPF.
Book Synopsis Radiant Zone Heated Particulate Filter by :
Download or read book Radiant Zone Heated Particulate Filter written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A system includes a particulate matter (PM) filter including an upstream end for receiving exhaust gas and a downstream end. A radiant zoned heater includes N zones, where N is an integer greater than one, wherein each of the N zones includes M sub-zones, where M is an integer greater than or equal to one. A control module selectively activates at least a selected one of the N zones to initiate regeneration in downstream portions of the PM filter from the one of the N zones, restricts exhaust gas flow in a portion of the PM filter that corresponds to the selected one of the N zones, and deactivates non-selected ones of the N zones.
Book Synopsis Effect of Particulate Matter and Exhaust Gas Composition on Diesel Particulate Filter Regenration by : Amy E. Fischer
Download or read book Effect of Particulate Matter and Exhaust Gas Composition on Diesel Particulate Filter Regenration written by Amy E. Fischer and published by . This book was released on 2009 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Advances in Learning and Control by : Vincent D. Blondel
Download or read book Recent Advances in Learning and Control written by Vincent D. Blondel and published by Springer Science & Business Media. This book was released on 2008-01-11 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is composed of invited papers on learning and control. The contents form the proceedings of a workshop held in January 2008, in Hyderabad that honored the 60th birthday of Doctor Mathukumalli Vidyasagar. The 14 papers, written by international specialists in the field, cover a variety of interests within the broader field of learning and control. The diversity of the research provides a comprehensive overview of a field of great interest to control and system theorists.
Book Synopsis Fundamentals of Medium/Heavy Duty Diesel Engines by : Gus Wright
Download or read book Fundamentals of Medium/Heavy Duty Diesel Engines written by Gus Wright and published by Jones & Bartlett Learning. This book was released on 2021-09-30 with total page 1895 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Fundamentals of Medium/Heavy Duty Diesel Engines, Second Edition offers comprehensive coverage of every ASE task with clarity and precision in a concise format that ensures student comprehension and encourages critical thinking. This edition describes safe and effective diagnostic, repair, and maintenance procedures for today's medium and heavy vehicle diesel engines"--
Book Synopsis Hydrocarbon-enhanced Particulate Filter Regeneration Via Microwave Ignition by :
Download or read book Hydrocarbon-enhanced Particulate Filter Regeneration Via Microwave Ignition written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A regeneration method for a particulate filter includes estimating a quantity of particulate matter trapped within the particulate filter, comparing the quantity of particulate matter to a predetermined quantity, heating at least a portion of the particulate filter to a combustion temperature of the particulate matter, and introducing hydrocarbon fuel to the particulate filter. The hydrocarbon fuel facilitates combustion of the particulate matter to regenerate the particulate filter.
Book Synopsis Diesel Particulate Filter Regeneration Via Resistive Surface Heating by :
Download or read book Diesel Particulate Filter Regeneration Via Resistive Surface Heating written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An exhaust system that processes exhaust generated by an engine is provided. The system includes: a particulate filter (PF) that filters particulates from the exhaust wherein an upstream end of the PF receives exhaust from the engine; and a grid of electrically resistive material that is applied to an exterior upstream surface of the PF and that selectively heats exhaust passing through the grid to initiate combustion of particulates within the PF.
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.
Book Synopsis Soot Oxidation and Diesel Particulate Filter Regeneration by Microwave Heating by : Daniel A. Rutman
Download or read book Soot Oxidation and Diesel Particulate Filter Regeneration by Microwave Heating written by Daniel A. Rutman and published by . This book was released on 2006 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diesel Particulate Filter Regeneration and Catalytic NOx Reduction Augmented with Heat Recovery and Active Hydrocarbon Injection by : Krishnan Balakrishnan
Download or read book Diesel Particulate Filter Regeneration and Catalytic NOx Reduction Augmented with Heat Recovery and Active Hydrocarbon Injection written by Krishnan Balakrishnan and published by . This book was released on 2001 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Filtration and Regeneration Mechanisms in Diesel Particulate Filters Influence on Filter Performance by : Niklas M. Schmidt
Download or read book Filtration and Regeneration Mechanisms in Diesel Particulate Filters Influence on Filter Performance written by Niklas M. Schmidt and published by . This book was released on 2006 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
