湿式气缸套机体冷却方式的设计方法研究  

Study on Engine Block's Cooling Method

作　　者：朱海燕 杨超 周涛 王有治 Zhu Hai-yan;Yang Chao;Zhou Tao;Wang You-zhi(State Key Laboratory of Engine Reliability,Weifang 261061,China;Weichai power engine technology research institute,Weifang 261061,China)

机构地区：[1]内燃机可靠性国家重点实验室,山东潍坊261061 [2]潍柴动力股份有限公司,山东潍坊261061

出　　处：《内燃机与配件》2023年第19期24-26,共3页Internal Combustion Engine & Parts

摘　　要：随着发动机精细设计的推进,机体的冷却对发动机的排放性能、经济性产生的影响越来越突出。机体冷却不足、过冷或冷却不均匀,均会导致发动机使用不良甚至不能正常工作。机体冷却水套的研究在机体结构设计中起到重要作用。本文叙述了在机体结构设计中机体内部水路的设计方法及仿真研究。通过对布水腔、串水孔、进水孔以及出水孔等结构设计,获得合理的机体水套冷却能力的评估指标(流速、压降对流换热系数等)。湿式缸套机体内部水路的设计研究,并结合现代柴油机对燃烧、排放、经济性的要求,大胆展望机体冷却水腔的设计趋势。With the development of fine engine design,the cooling of the engine block has more and more prominent influence on the emission economy of the engine.Insufficient cooling,excessive cooling or uneven cooling of the engine block will lead to poor engine or even normal operation.The study of the engine block cooling water jacket plays an important role in the structure design of the body.The paper introduces the structure design of engine block,discuss of engine block's cooling method.The paper introduces the water passage,water holes,comparing the upper cooling,the research of water jacket design method is summarized.

关 键 词：气缸套 冷却 机体 流速 压降 

分 类 号：U464.132[机械工程—车辆工程]