The comparison of main operational indicators for the naturally aspirated and supercharged engines

Abstract

Combustion engines are currently the leading source of mechanical energy in the sector of goods and people transport. Indispensable element of engines development is operational indicators rise. These indicators are direct criteria of comparison and they allow assessment of specific power level of each construction. It can be observed, that in the era of charge exchange systems the naturally aspirated engines are still available in common application. In the paper the main indicators and specific parameters for newest engines have been compared; the engines design has been described as well and classified by their application