Advanced Direct Injection Combustion Engine Technologies and by H. Zhao

By H. Zhao

Direct injection allows certain regulate of the fuel/air blend in order that engines will be tuned for better energy and gasoline economic system. This needs to be balanced opposed to elevated gear charges and emissions, featuring ongoing learn demanding situations in bettering the know-how for advertisement purposes. this significant publication experiences the technological know-how and expertise of other sorts of DI combustion engines and their fuels. 5 major sections offer an outline of the cutting-edge, overlaying fuel DI engines; either light-duty and heavy-duty DI diesel engines; replacement fuels and aftertreatment units; and complicated modeling and experimental recommendations.

Show description

Read or Download Advanced Direct Injection Combustion Engine Technologies and Development: Gasoline and Gas Engines, Volume 1 PDF

Best mechanical engineering books

Random Vibrations: Analysis of Structural and Mechanical Systems

The subject of advent to Random Vibrations is the habit of structural and mechanical platforms once they are subjected to unpredictable, or random, vibrations. those vibrations might come up from average phenomena equivalent to earthquakes or wind, or from human-controlled motives comparable to the stresses put on plane at takeoff and touchdown.

Pursuits of Happiness: The Hollywood Comedy of Remarriage

Through the '30s and '40s, Hollywood produced a style of madcap comedies that emphasised reuniting the imperative couple after divorce or separation. And the feminine protagonists have been powerful, self reliant, and complicated. right here, Stanley Cavell examines seven of these vintage video clips for his or her cinematic recommendations, and for such assorted topics as feminism, liberty and interdependence.

Applications guide for determining the yield strength of in-service pipe by hardness evaluation : final report

This advisor describes an entire method for undertaking box hardness checking out to estimate the yield power of pipeline steels. the method is non-destructive so it's appropriate for in-situ trying out on working pipelines, at pipe garage amenities, or a variety of different destinations. It additionally allows approach diversifications which are appropriate for program in numerous events and prerequisites that could be encountered on a pipeline right-of-way and in different places.

Additional resources for Advanced Direct Injection Combustion Engine Technologies and Development: Gasoline and Gas Engines, Volume 1

Example text

It is also sensitive to sulphur poisoning, hence requiring very low sulphur lubricants and gasoline fuels. Good thermal management of the catalyst temperature, particularly at high load operations, is necessary for its durability and stability. All these requirements mandate the use of additional sensors and OBD diagnostics to ensure its proper operation. Selective catalytic reduction (SCR) by ammonia through liquid urea injection has been developed and used in production diesel commercial vehicles in Europe.

This concept is currently favoured by most developers and manufacturers for purely homogeneous gasoline direct injection and for stratified charging operations with wall-guided mixture preparation. Sharply defined injection jets are a characteristic of the multihole nozzle. , 2003). Stratified-charge combustion in DI gasoline engines 31 of configurations. Enriched mixture zones containing excess fuel are directly adjacent to lean mixture zones containing insufficient fuel. As a consequence, once an injection jet is ignited – the origin of ignition is determined by the position of the spark plug – the flame front in the combustion chamber does not progress uniformly.

The increased stratified charge range means that it is possible to drive economically at speeds above 150 km/h with lean stratified charge operation (see Fig. 9). , 2004). 8 Combustion process: comparison of port fuel injection (PFI) vs. , 2006). 9 Engine operating map, stratified charge ranges with driving resistance curves and fuel reduction. 40% when running at idle as opposed to conventional engines with port fuel injection. A reduction in fuel consumption of roughly 15% was achieved with lean stratified charge operation at part-load operating points.

Download PDF sample

Rated 4.49 of 5 – based on 13 votes