新型子午加速轴流风扇轮毂的设计

Design of new type wheel hub of axial flow cooling fan with meridian acceleration

分析了我国铁路准高速内燃机车夏季运行存在的问题 ,针对该问题选择冷却风扇的设计方案 ,比较了两种不同的设计方案。本文主要是针对轮毂部分进行讨论 ,并与以前的冷却风扇进行了试验对比 ,证明了新型冷却风扇能够满足机车的冷却要求。

Some issues about qusi high speed diesel locomotive running in summer are analyzed.Two designing plans of cooling fan are compared,and the optimal one is given.The test shows that the new type colling fan can meet locomotive coolling requirements perfectly.