The upstream and downstream flowfields of a straight blade inlet guide vane (IGV) for a centrifugal fan were measured with a five-hole probe.

• 摘要为了改进风机调节门的性能和作用，采用五孔探针对平板直叶片调节门前后的流动进行了详细的测量，得到了流动参数沿流动方向的衰减变化规律。