牵引车发动机冷却系统匹配研究

Matching of Engine Cooling System of Tractor

冷却系统的性能对于保证发动机在适宜温度下稳定运转、提高发动机的使用寿命及燃油经济性至关重要。通过牵引车发动机的实际参数进行冷却系统的理论计算,确定散热量、通风量及水流量;进而对冷却系统各模块参数进行选型,确定冷却系统的匹配方案;试验验证了冷却系统的性能。试验结果表明,该冷却系统匹配设计能够满足发动机的冷却需求,可为同类型的冷却系统匹配设计提供参考。

Performance of cooling system is crucial to ensure stable operation of engine at a suitable temperature,and to improve its service life and fuel economy.Based on actual parameters of tractor engine,theoretical calculation of cooling system was carried out to determine heat dissipation,ventilation and water flow;then parameters of each module of cooling system were selected to determine matching scheme of cooling system;performance of cooling system was verified.Test results showed that matching design of cooling system could meet cooling requirements of engine,and could provide a reference for matching design of the same type of cooling system.