The Indicator of GDI Engine Operating Mode and Its Influence on Eco-Driving

Abstract

Elements of car construction, especially the information available on a dashboard, can stimulate the way of driving. The experiment described in the paper aimed to examine how the information provided by the indicator, which informs about the operational mode of a gasoline direct injection (GDI) engine, can contribute to eco-driving and the possible learning of acceleration pedal operation by a driver. The analysis of the fuel injection process affected by driver behaviour was an essential part of the experiment. The experiment was divided into two parts. The first one (nine tests) consisted of driving without access to the indicator information. In the second part, the information on the mode of the engine run was available for the driver. The results confirmed that the information about the type of fuel mixture used for the supply of the GDI engine facilitates an economical driving style (about 10% fuel savings) and motivates the driver to engage in eco-driving.

The Analysis of the Unconventional Piston Mechanism Conception and Comparison With the Conventional Piston Mechanism

“…Today, standards which are related to the fuel consumption are more and more strict, so from the vehicles with IC engines is expect to have as better possible performances with minimal fuel consumption. One of the solutions which are today widely used at gasoline IC engines, in order to reduce the fuel consumption and by this the exhaust emission is gasoline injection direct to the cylinder, instead to the intake port [2]. Fuel consumption also can be reduced by application of different engine conception [3,4].…”