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System Design and Analysis of a Directly Air-Assisted Turbocharged SI Engine with Camshaft Driven Valves
(2013)EnergiesThe availability of compressed air in combination with downsizing and turbocharging is a promising approach to improve the fuel economy and the driveability of internal combustion engines. The compressed air is used to boost and start the engine. It is generated during deceleration phases by running the engine as a piston compressor. In this paper, a camshaft-driven valve is considered for the control of the air exchange between the tank ...Journal Article -
Intake Manifold Boosting of Turbocharged Spark-Ignited Engines
(2013)EnergiesDownsizing and turbocharging is a widely used approach to reduce the fuel consumption of spark ignited engines while retaining the maximum power output. However, a substantial loss in drivability must be expected due to the occurrence of the so-called turbo lag. The turbo lag results from the additional inertia that the turbocharger adds to the system. Supplying air by an additional valve, the boost valve, to the intake manifold can be ...Journal Article