Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles

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Publisher : National Academies Press
ISBN 13 : 0309159474
Total Pages : 251 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles by : National Research Council

Download or read book Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles written by National Research Council and published by National Academies Press. This book was released on 2010-07-30 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technologies and Approaches to Reducing the Fuel Consumption of Medium- and Heavy-Duty Vehicles evaluates various technologies and methods that could improve the fuel economy of medium- and heavy-duty vehicles, such as tractor-trailers, transit buses, and work trucks. The book also recommends approaches that federal agencies could use to regulate these vehicles' fuel consumption. Currently there are no fuel consumption standards for such vehicles, which account for about 26 percent of the transportation fuel used in the U.S. The miles-per-gallon measure used to regulate the fuel economy of passenger cars. is not appropriate for medium- and heavy-duty vehicles, which are designed above all to carry loads efficiently. Instead, any regulation of medium- and heavy-duty vehicles should use a metric that reflects the efficiency with which a vehicle moves goods or passengers, such as gallons per ton-mile, a unit that reflects the amount of fuel a vehicle would use to carry a ton of goods one mile. This is called load-specific fuel consumption (LSFC). The book estimates the improvements that various technologies could achieve over the next decade in seven vehicle types. For example, using advanced diesel engines in tractor-trailers could lower their fuel consumption by up to 20 percent by 2020, and improved aerodynamics could yield an 11 percent reduction. Hybrid powertrains could lower the fuel consumption of vehicles that stop frequently, such as garbage trucks and transit buses, by as much 35 percent in the same time frame.

Department of the Interior and Related Agencies Appropriations for 2003

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Publisher :
ISBN 13 :
Total Pages : 592 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Department of the Interior and Related Agencies Appropriations for 2003 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies

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Department of the Interior and Related Agencies Appropriations for 2003: U.S. Forest Service ... National Capital Planning Commission

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Publisher :
ISBN 13 :
Total Pages : 596 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Department of the Interior and Related Agencies Appropriations for 2003: U.S. Forest Service ... National Capital Planning Commission by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies

Download or read book Department of the Interior and Related Agencies Appropriations for 2003: U.S. Forest Service ... National Capital Planning Commission written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of the Interior and Related Agencies and published by . This book was released on 2002 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:

107-2 Hearings: Department of The Interior and Related Agencies Appropriations For 2003, Part 7, March 13, 2002, *

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Publisher :
ISBN 13 :
Total Pages : 846 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis 107-2 Hearings: Department of The Interior and Related Agencies Appropriations For 2003, Part 7, March 13, 2002, * by :

Download or read book 107-2 Hearings: Department of The Interior and Related Agencies Appropriations For 2003, Part 7, March 13, 2002, * written by and published by . This book was released on 2002 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Department of the Interior and Related Agencies Appropriations for ...

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Publisher :
ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Department of the Interior and Related Agencies Appropriations for ... by : United States. Congress. Senate. Committee on Appropriations

Download or read book Department of the Interior and Related Agencies Appropriations for ... written by United States. Congress. Senate. Committee on Appropriations and published by . This book was released on 2003 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Department of the Interior and Related Agencies Appropriations for Fiscal Year 2003

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Publisher :
ISBN 13 :
Total Pages : 540 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Department of the Interior and Related Agencies Appropriations for Fiscal Year 2003 by : United States. Congress. Senate. Committee on Appropriations. Subcommittee on the Department of the Interior and Related Agencies

Download or read book Department of the Interior and Related Agencies Appropriations for Fiscal Year 2003 written by United States. Congress. Senate. Committee on Appropriations. Subcommittee on the Department of the Interior and Related Agencies and published by . This book was released on 2003 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diesel Engine Management

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Publisher : Springer
ISBN 13 : 3658039817
Total Pages : 381 pages
Book Rating : 4.6/5 (58 download)

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Book Synopsis Diesel Engine Management by : Konrad Reif

Download or read book Diesel Engine Management written by Konrad Reif and published by Springer. This book was released on 2014-07-18 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference book provides a comprehensive insight into todays diesel injection systems and electronic control. It focusses on minimizing emissions and exhaust-gas treatment. Innovations by Bosch in the field of diesel-injection technology have made a significant contribution to the diesel boom. Calls for lower fuel consumption, reduced exhaust-gas emissions and quiet engines are making greater demands on the engine and fuel-injection systems.

Automotive Spark-Ignited Direct-Injection Gasoline Engines

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Author :
Publisher : Elsevier
ISBN 13 : 008055279X
Total Pages : 129 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Automotive Spark-Ignited Direct-Injection Gasoline Engines by : F. Zhao

Download or read book Automotive Spark-Ignited Direct-Injection Gasoline Engines written by F. Zhao and published by Elsevier. This book was released on 2000-02-08 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The process of fuel injection, spray atomization and vaporization, charge cooling, mixture preparation and the control of in-cylinder air motion are all being actively researched and this work is reviewed in detail and analyzed. The new technologies such as high-pressure, common-rail, gasoline injection systems and swirl-atomizing gasoline fuel injections are discussed in detail, as these technologies, along with computer control capabilities, have enabled the current new examination of an old objective; the direct-injection, stratified-charge (DISC), gasoline engine. The prior work on DISC engines that is relevant to current GDI engine development is also reviewed and discussed. The fuel economy and emission data for actual engine configurations have been obtained and assembled for all of the available GDI literature, and are reviewed and discussed in detail. The types of GDI engines are arranged in four classifications of decreasing complexity, and the advantages and disadvantages of each class are noted and explained. Emphasis is placed upon consensus trends and conclusions that are evident when taken as a whole; thus the GDI researcher is informed regarding the degree to which engine volumetric efficiency and compression ratio can be increased under optimized conditions, and as to the extent to which unburned hydrocarbon (UBHC), NOx and particulate emissions can be minimized for specific combustion strategies. The critical area of GDI fuel injector deposits and the associated effect on spray geometry and engine performance degradation are reviewed, and important system guidelines for minimizing deposition rates and deposit effects are presented. The capabilities and limitations of emission control techniques and after treatment hardware are reviewed in depth, and a compilation and discussion of areas of consensus on attaining European, Japanese and North American emission standards presented. All known research, prototype and production GDI engines worldwide are reviewed as to performance, emissions and fuel economy advantages, and for areas requiring further development. The engine schematics, control diagrams and specifications are compiled, and the emission control strategies are illustrated and discussed. The influence of lean-NOx catalysts on the development of late-injection, stratified-charge GDI engines is reviewed, and the relative merits of lean-burn, homogeneous, direct-injection engines as an option requiring less control complexity are analyzed.

Gasoline Engine Management

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Publisher : Springer
ISBN 13 : 3658039647
Total Pages : 363 pages
Book Rating : 4.6/5 (58 download)

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Book Synopsis Gasoline Engine Management by : Konrad Reif

Download or read book Gasoline Engine Management written by Konrad Reif and published by Springer. This book was released on 2014-07-22 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The call for environmentally compatible and economical vehicles necessitates immense efforts to develop innovative engine concepts. Technical concepts such as gasoline direct injection helped to save fuel up to 20 % and reduce CO2-emissions. Descriptions of the cylinder-charge control, fuel injection, ignition and catalytic emission-control systems provides comprehensive overview of today ́s gasoline engines. This book also describes emission-control systems and explains the diagnostic systems. The publication provides information on engine-management-systems and emission-control regulations.

Annual Index/abstracts of Sae Technical Papers, 2000

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Publisher :
ISBN 13 : 9780768009163
Total Pages : 868 pages
Book Rating : 4.0/5 (91 download)

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Book Synopsis Annual Index/abstracts of Sae Technical Papers, 2000 by : Society Of Automotive Engineers

Download or read book Annual Index/abstracts of Sae Technical Papers, 2000 written by Society Of Automotive Engineers and published by . This book was released on 2001 with total page 868 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mixture Formation in Internal Combustion Engines

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Publisher : Springer Science & Business Media
ISBN 13 : 3540308369
Total Pages : 312 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Mixture Formation in Internal Combustion Engines by : Carsten Baumgarten

Download or read book Mixture Formation in Internal Combustion Engines written by Carsten Baumgarten and published by Springer Science & Business Media. This book was released on 2006-09-28 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: A systematic control of mixture formation with modern high-pressure injection systems enables us to achieve considerable improvements of the combustion pr- ess in terms of reduced fuel consumption and engine-out raw emissions. However, because of the growing number of free parameters due to more flexible injection systems, variable valve trains, the application of different combustion concepts within different regions of the engine map, etc., the prediction of spray and m- ture formation becomes increasingly complex. For this reason, the optimization of the in-cylinder processes using 3D computational fluid dynamics (CFD) becomes increasingly important. In these CFD codes, the detailed modeling of spray and mixture formation is a prerequisite for the correct calculation of the subsequent processes like ignition, combustion and formation of emissions. Although such simulation tools can be viewed as standard tools today, the predictive quality of the sub-models is c- stantly enhanced by a more accurate and detailed modeling of the relevant pr- esses, and by the inclusion of new important mechanisms and effects that come along with the development of new injection systems and have not been cons- ered so far. In this book the most widely used mathematical models for the simulation of spray and mixture formation in 3D CFD calculations are described and discussed. In order to give the reader an introduction into the complex processes, the book starts with a description of the fundamental mechanisms and categories of fuel - jection, spray break-up, and mixture formation in internal combustion engines.

HCCI and CAI Engines for the Automotive Industry

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Publisher : CRC Press
ISBN 13 :
Total Pages : 562 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis HCCI and CAI Engines for the Automotive Industry by : Hua Zhao

Download or read book HCCI and CAI Engines for the Automotive Industry written by Hua Zhao and published by CRC Press. This book was released on 2007-09-10 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homogeneous charge compression ignition (HCCI)/controlled auto-ignition (CAI) has emerged as one of the most promising engine technologies with the potential to combine fuel efficiency and improved emissions performance, offering reduced nitrous oxides and particulate matter alongside efficiency comparable with modern diesel engines. Despite the considerable advantages, its operational range is rather limited and controlling the combustion (timing of ignition and rate of energy release) is still an area of on-going research. Commercial applications are, however, close to reality. HCCI a.

Knocking in Gasoline Engines

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Publisher : Springer
ISBN 13 : 3319697609
Total Pages : 381 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Knocking in Gasoline Engines by : Michael Günther

Download or read book Knocking in Gasoline Engines written by Michael Günther and published by Springer. This book was released on 2017-11-21 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book includes the papers presented at the conference discussing approaches to prevent or reliably control knocking and other irregular combustion events. The majority of today’s highly efficient gasoline engines utilize downsizing. High mean pressures produce increased knocking, which frequently results in a reduction in the compression ratio at high specific powers. Beyond this, the phenomenon of pre-ignition has been linked to the rise in specific power in gasoline engines for many years. Charge-diluted concepts with high compression cause extreme knocking, potentially leading to catastrophic failure. The introduction of RDE legislation this year will further grow the requirements for combustion process development, as residual gas scavenging and enrichment to improve the knock limit will be legally restricted despite no relaxation of the need to reach the main center of heat release as early as possible. New solutions in thermodynamics and control engineering are urgently needed to further increase the efficiency of gasoline engines.

Fundamentals of Motor Vehicle Technology

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Publisher :
ISBN 13 : 9780748780990
Total Pages : 0 pages
Book Rating : 4.7/5 (89 download)

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Book Synopsis Fundamentals of Motor Vehicle Technology by : V. A. W. Hillier

Download or read book Fundamentals of Motor Vehicle Technology written by V. A. W. Hillier and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hillier's famous series of Motor Vehicle Technology texts have been completely revised and updated.

Vehicle Powertrain Systems

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Publisher : John Wiley & Sons
ISBN 13 : 1119961025
Total Pages : 563 pages
Book Rating : 4.1/5 (199 download)

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Book Synopsis Vehicle Powertrain Systems by : David Crolla

Download or read book Vehicle Powertrain Systems written by David Crolla and published by John Wiley & Sons. This book was released on 2011-12-30 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: The powertrain is at the heart of vehicle design; the engine – whether it is a conventional, hybrid or electric design – provides the motive power, which is then managed and controlled through the transmission and final drive components. The overall powertrain system therefore defines the dynamic performance and character of the vehicle. The design of the powertrain has conventionally been tackled by analyzing each of the subsystems individually and the individual components, for example, engine, transmission and driveline have received considerable attention in textbooks over the past decades. The key theme of this book is to take a systems approach – to look at the integration of the components so that the whole powertrain system meets the demands of overall energy efficiency and good drivability. Vehicle Powertrain Systems provides a thorough description and analysis of all the powertrain components and then treats them together so that the overall performance of the vehicle can be understood and calculated. The text is well supported by practical problems and worked examples. Extensive use is made of the MATLAB(R) software and many example programmes for vehicle calculations are provided in the text. Key features: Structured approach to explaining the fundamentals of powertrain engineering Integration of powertrain components into overall vehicle design Emphasis on practical vehicle design issues Extensive use of practical problems and worked examples Provision of MATLAB(R) programmes for the reader to use in vehicle performance calculations This comprehensive and integrated analysis of vehicle powertrain engineering provides an invaluable resource for undergraduate and postgraduate automotive engineering students and is a useful reference for practicing engineers in the vehicle industry

Diesel and Gasoline Engines

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Publisher : Intechopen
ISBN 13 : 178985248X
Total Pages : 202 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Diesel and Gasoline Engines by : Richard Viskup

Download or read book Diesel and Gasoline Engines written by Richard Viskup and published by Intechopen. This book was released on 2020-02 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: The internal combustion engine was invented around 1790 by various scientists and engineers worldwide. Since then the engines have gone through many modifications and improvements. Today, different applications of engines form a significant technological importance in our everyday lives, leading to the evolution of our modern civilization. The invention of diesel and gasoline engines has definitely changed our lifestyles as well as shaped our priorities. The current engines serve innumerable applications in various types of transportation, in harsh environments, in construction, in diverse industries, and also as back-up power supply systems for hospitals, security departments, and other institutions. However, heavy duty or light duty engines have certain major disadvantages, which are well known to everyone. With the increasing usage of diesel and gasoline engines, and the constantly rising number of vehicles worldwide, the main concern nowadays is engine exhaust emissions. This book looks at basic phenomena related to diesel and gasoline engines, combustion, alternative fuels, exhaust emissions, and mitigations.

Transportation Energy Data Book

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Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Transportation Energy Data Book by :

Download or read book Transportation Energy Data Book written by and published by . This book was released on 2005 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: