The rotary balance wind test for the aircraft with nose outshoot is completed, and it fills the gap of the rotary balance wind test in domestic aviation.
对带有机头突出物的某飞机进行了一轮旋转天平风洞试验，填补了我国旋转天平风洞试验的空白。
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The residence time can be defined according to rotational speed of the rotary dryer, radius of the drum, the slope of the drum, wind-force and the particle quality.
The crushing chamber adopts wind turbine type high-speed rotary cutter; air quantity in the machine cavity is large, so the machine cavity is not easy to heat up.