This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
Roots draft fan air capacity is calculated and the property curve is drew, and control principle of constant pressure complementary air device is discussed.
计算出罗茨风机的风量并绘制出风机的性能曲线；论述了恒压补气装置的控制原理。
Roots draft fan air capacity is calculated and the property curve is drew, and control principle of constant pressure complementary air device is discussed.
计算出罗茨风机的风量并绘制出风机的性能曲线；论述了恒压补气装置的控制原理。
应用推荐