By H. Zhao
Direct injection permits unique regulate of the fuel/air blend in order that engines should be tuned for more suitable strength and gasoline financial system. This has to be balanced opposed to elevated apparatus bills and emissions, featuring ongoing examine demanding situations in enhancing the expertise for advertisement functions. this significant publication stories the technological know-how and know-how of other sorts of DI combustion engines and their fuels. 5 major sections offer an outline of the cutting-edge, protecting gas DI engines; either light-duty and heavy-duty DI diesel engines; replacement fuels and aftertreatment units; and complex modeling and experimental suggestions.
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Extra resources for Advanced Direct Injection Combustion Engine Technologies and Development: Gasoline and Gas Engines, Volume 1
Development of NOx storage reduction 3-way catalyst for D-4 engines, SAE Paper 1999-01-1279, 1999. , Suzuki Y. 5 litre engine adopting new direct injection system, SAE Paper 2006-01-1259, 2006. , Yamauchi T. , Development of gasoline direct injection engines, SAE Paper 970541, 1997. , Application of a new combustion concept to direct-injection gosoline engine, SAE paper 2000-01-053, 2000. com/publicity/release/2008/200809/080909a. html, 2008. , Fischer J. , Potential of the sprayguided BMW DI combustion system, SAE Paper 2006-01-1265, 2006.
These engines are able to operate in lean operation mode throughout a wide operating range. Fuel savings of 10–20% can be achieved compared to conventional gasoline engines with port fuel injection. In this chapter, the thermodynamic aspects of gasoline direct injection are explained and the various combustion processes are described and compared. This is followed by an overview of engines with gasoline direct injection together with an indication of where future developments are leading. Key words: spark ignition direct injection engine (SIDI), wall-guided, airguided, spray-guided, gasoline direct injection engine (GDI).
VW was the first vehicle manufacturer in the world to use a NOx sensor downstream of the NOx catalytic converter to optimise nitrogen oxide conversion. 2 l) in other VW models (Golf, Passat). However, today’s FSI engines are still only driven in homogeneous mode and use of the stratifiedcharge operation is completely avoided, as is the case with all turbocharged FSI engines. In 2002, Audi also launched an engine with gasoline direct injection with the designation FSI. In contrast to the VW version, however, the four-valve aluminium cylinder head and piston geometry was fully reworked, as an air-guided combustion system was used in this case.
Advanced Direct Injection Combustion Engine Technologies and Development: Gasoline and Gas Engines, Volume 1 by H. Zhao