中南大学学报（自然科学版）Issue(1)：54-61,8.DOI:10.11817/j.issn.1672-7207.2016.01.009
柴油机水冷中冷器冷却性能仿真与试验
Numerical simulation and experiment on cooling performance of water-air intercooler of diesel engine
摘要
Abstract
In order to study the influence of the charge air and the coolant on the intercooler heat dissipation performance and the resistance properties, fluid-solid coupling heat transfer model and heat exchanger model were used. Three-dimensional numerical simulation was carried out in order to obtain the water-cooled intercooler internal flow field and temperature field of a heavy diesel engine. The simulation results were verified through the bench test. The results show that return air flow is larger at the inlet and air flow resistance and flow nonuniformity increase. The heat dissipation performance is better with greater charge air flow rate. Outlet temperature is controlled at 30−40 ℃. The cooling effect is better, and meets the requirement. The different cooling water temperature has a greater influence on the cooling performance of the intercooler. The power conversion efficiency can be reduced by 5%−10% with coolant temperature raised 10℃.关键词
水冷中冷器/波纹翅片/流-固耦合/换热器模型Key words
water-air intercooler/wavy fin/fluid-solid couple/heat exchanger model分类
交通工程引用本文复制引用
张钦国,秦四成,刘宇飞,马润达,李武..柴油机水冷中冷器冷却性能仿真与试验[J].中南大学学报（自然科学版）,2016,(1):54-61,8.基金项目
国家自然科学基金资助项目(50775096)；国家“十二五”科技支撑计划项目(2013BAF07B04)(Project(50775096) supported by the National Natural Science Foundation of China （50775096）
Project(2013BAF07B04) supported by the National Science and Technology Pillar Program during the 12th“Five-year”Plan Period) （2013BAF07B04）
