The drag increasing of the larger-upswept afterbody is due to the afterbody separation.
这种分离流动是导致大上翘角后体阻力增加的主要原因。
Experiment investigation shows: The main body zero drag can be reduced by faovurable interference of jet flow. Then an optimuns afterbody configuration can be obtained.
实验研究表明，利用喷流的有益干扰，可使主弹体零阻显著下降，从而得到一种优化的后体外形。
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