Comparative study on the performance of traditional engines and hybrid engines

Abstract

Engines are very important for human-beings and it is necessary for people to find a perfect kind of engines since they are used in many vehicles. In this paper, it will mainly focus the traditional engines and the hybrid engines, and compare there main performances including economical performance and environmental performance. For economical performance, researches have found that hybrid engine has higher thermal efficiency and lower thermal efficiency loss compared with traditional engine because hybrid engine does not have the inherent defect of crankshaft linkage mechanism as traditional engine. Also, since hybrid engine is consist of both electric motor and internal combustion engine, consequently it will have lower fuel cost. For environmental performance, hybrid engine not only reduce the consumption of non-renewable fuel but also more environmental since using electric to give vehicles power is relative environmental than using fuels only like traditional engine. This paper also find that both traditional engine and hybrid engine have development prospects in the transportation industry.