Abstract:
The thermodynamic limitation for the maximum efficiencies of internal combustion engines is an important consideration for the design and development of future engines. Knowing these limits helps direct resources to those areas with the most potential for improvements. Automobile engines are run by internal combustion. Most internal combustion engines are incredibly inefficient at turning fuel burned into usable energy. Using various resources which includes the first and second laws of thermodynamics, this study has determined the fundamental thermodynamics that are responsible for these limits. This Study is about how optimizations can be done to get the best thermal efficiency out of automobile engines and how they can be applied in practical life. First we will study about the different types of engines and their thermal efficiency. Then we will find their lackings and limitations. Based upon that we will make optimization on different aspects of engines and discuss about the ways to enhance their ability. There are various systems to enhance thermal efficiency of automobile engines, we tried to explore them as much as possible here and draw a clear line for the most efficient and optimum way for enhancing thermal efficiency. Better thermal efficiency will not only just save fuel, it will also reduce CO2 emission and hence cause a positive impact on our environment.