shock wave drag

基本解釋

However, the rings only reduce the pressure drag by 0.4% because the rings disturb the external flow and increase the shock wave drag.
但由于凹環(huán)對(duì)氣流的擾動(dòng)增加了激波阻力，故包含底部阻力及激波阻力的壓差阻力減小并不顯著，僅為0.4%。
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In the second design step, improvement of wing's aerodynamic characteristic is mainly depended on the weakening of shock which reduces wave drag during the wing section optimization.
在平面形狀優(yōu)化基礎(chǔ)上，在機(jī)翼容積不變約束下，再采用剖面翼型優(yōu)化設(shè)計(jì)，通過機(jī)翼剖面細(xì)微變化弱化較大馬赫數(shù)下的激波、減小激波阻力。
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