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现在的LS系列发动机是由UEC-LA系列机发展而来的一种长冲程型发动机,这种新系列发动机设计成低速超长冲程,行程缸径比为3.6,它具有预料中的未来船舶推进主机所需要的合适特性。在此系列机的研制过程中,对气缸套与活塞环之间的摩擦学问题进行了系统的研究,并将所得结果引入到LS系列机的设计中去了。 LS系列机的设计直接继承了LA系列机的设计方案。本文还提供了LS系列机最初车间试验的结果。
The current LS series engine is a long stroke engine developed from the UEC-LA series engine. The new series engines are designed for low-speed and long-stroke with a stroke-to-stroke ratio of 3.6. It has the anticipated future propulsion The right characteristics needed. In this series of machine development process, the friction between the cylinder liner and the piston ring was systematically studied, and the results were introduced into the design of LS series machines. LS series machine design directly inherited the LA series machine design. This article also provides the results of the initial shop test of the LS Series machine.