- diesel engine oil
- diesel engine lubricating oil
- diesel lubricating oil
- diesel lubrication oil
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柴油机润滑油的英文
例句与用法
- The concept of the optimize design is proposed and its mathematic foundation is analyzed in this paper . after comparing several optical calculation methods , the one that is suitable for the lubricating system is chosen and analyzed in detail about its concept , characteristic and some focal points . meanwhile , combining with the analysis of the relationship among the parts and structure of marine low - speed diesel lubricating system , the internal disciplinary , other pipeline system and main engine , aiming at reducing the initial investment and the running cost in a certain years , the mathematic model of the system is built and the object function and subjected conditions are set up
本课题阐述了最优化设计的概念，分析了最优化设计问题的数学基础，比较了约束多维问题的几种优化方法，选取了适合于润滑油系统的优化设计方式，并对该方式的概念、特点及其应注意的问题进行了较详细的分析；同时，结合海船低速柴油机润滑油系统的组成部件及其结构以及润滑油系统内部规律与其它管路系统、船舶主机的关系的分析，从经济性的角度，以设备初投资及其在一定年限内的耗能费最低为目标，建立了本系统优化设计的数学模型，确立了目标函数和约束条件。