風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)葉片推(tui)動(dong)(dong)空(kong)氣以(yi)與(yu)軸(zhou)(zhou)相同的(de)方向(xiang)流(liu)(liu)(liu)(liu)動(dong)(dong)的(de)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)叫軸(zhou)(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)。 以(yi)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)工作(zuo)(zuo)時(shi)空(kong)氣的(de)流(liu)(liu)(liu)(liu)動(dong)(dong)方向(xiang)進(jin)行劃分,風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)可分為(wei)(wei)軸(zhou)(zhou)流(liu)(liu)(liu)(liu)和(he)徑(jing)流(liu)(liu)(liu)(liu)式(shi)(shi)兩種。軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)工作(zuo)(zuo)時(shi),葉片推(tui)動(dong)(dong)空(kong)氣以(yi)與(yu)軸(zhou)(zhou)相同的(de)方向(xiang)流(liu)(liu)(liu)(liu)動(dong)(dong),所以(yi)稱為(wei)(wei)軸(zhou)(zhou)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan);而徑(jing)流(liu)(liu)(liu)(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)工作(zuo)(zuo)時(shi),葉片推(tui)動(dong)(dong)空(kong)氣以(yi)與(yu)軸(zhou)(zhou)相垂直的(de)方向(xiang)(即徑(jing)向(xiang))流(liu)(liu)(liu)(liu)動(dong)(dong),因此(ci)稱為(wei)(wei)徑(jing)流(liu)(liu)(liu)(liu)風(feng)(feng)(feng)(feng)(feng)扇(shan)(shan)(shan)(shan)(shan)。軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)葉片的(de)工作(zuo)(zuo)方式(shi)(shi)與(yu)飛(fei)機(ji)(ji)的(de)機(ji)(ji)翼(yi)類似(si)。但(dan)是,后者(zhe)是將升力向(xiang)上(shang)作(zuo)(zuo)用于機(ji)(ji)翼(yi)上(shang)并支撐飛(fei)機(ji)(ji)的(de)重量,而軸(zhou)(zhou)流(liu)(liu)(liu)(liu)式(shi)(shi)風(feng)(feng)(feng)(feng)(feng)機(ji)(ji)則固定位置并使空(kong)氣移動(dong)(dong)。