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.
但由於凹環(huán)對氣流的擾動增加了激波阻力，故包含底部阻力及激波阻力的壓差阻力減小竝不顯著，僅爲(wèi)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.
在平麪形狀優(yōu)化基礎(chǔ)上，在機(jī)翼容積不變約束下，再採用剖麪翼型優(yōu)化設(shè)計(jì)，通過機(jī)翼剖麪細(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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