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Books > Professional & Technical > Mechanical engineering & materials > Mechanical engineering > Engines & power transmission
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Automotive Spark-Ignited Direct-Injection Gasoline Engines (Hardcover)
Loot Price: R7,063
Discovery Miles 70 630
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Automotive Spark-Ignited Direct-Injection Gasoline Engines (Hardcover)
Expected to ship within 10 - 15 working days
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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.
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