首页> 外文会议>Proceedings of the 2009 spring technical conference of the ASME Internal Combustion Engine Division >THE STUDY OF RESIDENCE TIME AND FLOW RATE OF LUBRICATING OIL THROUGH THE TOP RING ZONE OF A GASOLINE ENGINE
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THE STUDY OF RESIDENCE TIME AND FLOW RATE OF LUBRICATING OIL THROUGH THE TOP RING ZONE OF A GASOLINE ENGINE

机译:通过汽油发动机顶环区的润滑油停留时间和流动速率的研究

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摘要

With the ever increasing demand on lubricant manufacturers to improve fuel economy, fuel economy retention and increase the drain intervals of their lubricants there is an increasing need to understand which factors effect the degradation of the lubricant in the sump. The harsh conditions in the ring pack have been shown to be responsible for the majority of the lubricant degradation in the engine. Therefore in this investigation the flow rate of lubricant through, and residence time of lubricant in, the top ring zone of a gasoline engine with respect to load and speed has been experimentally measured. An initial effect of the lubricant viscosity on these parameters has also been investigated.rnThe theory and experimental methods are described before the experimental results are presented and discussed. The work has shown that the overall effect of engine speed on sump lubricant degradation is nominal, and that the level of sump degradation increases with increasing engine load.
机译:随着对润滑剂制造商对提高燃料经济性,保持燃料经济性并增加其润滑剂的排放间隔的不断增长的需求,越来越需要了解哪些因素会影响油槽中润滑剂的降解。事实表明,环形密封件中的恶劣条件是造成发动机中大部分润滑剂降解的原因。因此,在该研究中,已经通过实验测量了相对于负载和速度的穿过汽油发动机的顶环区域的润滑剂的流量以及润滑剂在其中的停留时间。还研究了润滑剂粘度对这些参数的初始影响。在介绍和讨论实验结果之前,先描述了理论和实验方法。这项工作表明,发动机转速对油底壳润滑油降解的总体影响是正常的,并且油底壳降解水平随发动机负荷的增加而增加。

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