3.2.3 Streamtube，tube flow，cross section，and discharge圖片（共2張） :

        1. StreamtubeConsider a closed curve(not streamline) in the flow field,then draw streamlinesthrough every point on it,so as to form a tube-shaping space whose walls arestreamlines. This tube is called the streamtube(see Fig. 3-7).2. Tube flowFluid fulling......（本文共 774 字, 2 張圖）     [閱讀本文] >>