[ nour labora 亡 or ) L manufacture and 伍 ght tests ofPET bottle rocket in the first semester of 2nd grade have been carrying out as introductive educ . ation of fluid engineering . The objective of this phper is to investigate a stall p麺 enomenon arising in . the PET bottle rocket at the optimum launching angle , which is calculated cemputationa ] ly. Thg separated vorlex paItems over the PET botUe rocket at the attack incidence range 45 to 70 deg have been visualized by hydrogen bubble met 虹 od and tungsten halogen iamp in the improved water channe 艮experiment . Key Mords : Fluid Dynarr } ics , Introductive Educalion, PET Bottle Rocket ; Flow Visualization , Separated V ( ) rtex
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