In the oil cooling system of a high performance helicopter, the low mass flow, high rotating speed and small size axial flow fan design is a key task.
小流量、高转速、小尺寸轴流风扇的设计是高性能直升机滑油冷却系统的关键技术之一。
Match design of the oil radiator and the cooling fan is the key of the helicopter outer oil system design.
滑油散热器和冷却风扇匹配设计是直升机外滑油系统设计的关键问题。
The abnormal temperature rise of a large oil-immersed self-cooling transformer in operation is analyzed. The problems and optimization program in its cooling system design are presented.
对运行中的大容量油浸自冷变压器异常温升情况进行了分析，提出了其冷却系统设计存在的问题及优化方案。
On this basis, the key completed tank foam fire extinguishing system design and area oil spray cooling system design area.
在此基础上，重点解决了油罐区泡沫灭火系统设计和油罐区喷淋冷却系统设计。
On this basis, the key completed tank foam fire extinguishing system design and area oil spray cooling system design area.
在此基础上，重点解决了油罐区泡沫灭火系统设计和油罐区喷淋冷却系统设计。
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