内燃机混合加热(Dual)循环有限时间热力学分析

Study on Finite Time Thermodynamics of Dual Cycle in Internal-combustion Engine

对内燃机混合加热循环的特性做了进一步的分析与研究,使得对该循环的分析结果与内燃机实际热力过程的不可逆性充分接近,对内燃机的设计和理论研究工作具有重要意义;并运用有限时间热力学的方法,对135柴油机Dual循环进行了有限时间特性分析,得出了应用该方法对内燃机缸内热力过程不可逆性进行研究具有重要实际意义的结论。

Through farther analysis and study on characteristic of dual cycle of internal - combustion engine in this paper, the irreversible of dual cycle is more close to the actual thermodynamic process, and it has important significance to the design and theoretically research work of internal - combustion engine. The finite time characteristic of 135 diesel engine＇ s dual cycle is analyzed by using finite time thermodynamics method, and some important practical conclusions to irreversible characteristic of diesel engine＇ s thermodynamic process in cylinder have been achieved.