The structural parameters of swirl flow exhaust system for Model N8160ZC diesel engine have been calculated by using the mathematical optimum method for optimum design.
采用数学规划优化方法对N8160ZC柴油机新型螺旋流排气系统结构参数进行了优化设计；
One of the most important tasks of this project is to establish the mathematical model of the diesel main engine.
本课题研究的重要工作之一就是建立柴油主机的数学模型。
In this paper, the mathematical model of in-cylinder working process is deduced according to in-cylinder working characteristic of four-stroke direct injection diesel engine.
本文根据直喷式四冲程柴油机缸内工作过程特点推导出描述柴油机缸内工作过程的数学模型。
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