It is shown that aerospike nozzle performance losses caused by free stream primarily result from increase of lift body base drag and decrease of plug pressure distribution.
结果表明，外流造成的性能损失主要体现在运载器底部阻力增加和塞锥表面压强降低两方面。
Then, the base bleed method is introduced on a general supersonic missile to decrease the base drag of the inlet cowl for the first time and is validated by wind tunnel test.
本文首次将底部排气法应用于导弹上，结合一种具有常规气动布局的超声速导弹进行了底部排气方案设计，采用一种“底窝器”来提高进气道整流罩的底部压强，并进行了风洞实验验证。
Because I masked out the BASE FILES group, I can simply drag the SKY group below the BASE FILES group and shift and scale the location until I get something that looks good.
因为我已经用蒙版隔离了基础文件组，只需要将天空组拖到基础文件组下方，之后进行适当的移动和缩放，直到得到不错的图面效果。
With a base V-6 engine that produces 312 horsepower, it should face off nicely against the Mustang in stop-light drag RACES.
它搭载了一款312马力的V6发动机，应该可以与福特野马在短程加速赛中一较高下。
The drag reduction of plane-surfaces with V-shaped grooves is given out by direct numerical simulation, and the drag reduction mechanism in the base of the secondary flow theory is suggested.
利用直接数值模拟方法求得平板上V—型条纹表面上的降阻情况，并给出基于二次流动理论的降阻机理。
If the drag is too far off base, the scrollbar makes the reasonable assumption that the user didn't mean to scroll in the first place.
如果拖动得太远，则滚动条做出合理的猜测，即用户并不是首先想滚动。
This paper presents the general principle and method of bleeding drag reduction characteristic design of base bleed projectile.
本文提出了底部排气弹减阻特性设计的一般原则与方法。
The biggest lift drag ratio 3.36 considering viscous effects is obtained at Mach 6 when a proper base conical shock wave angle is chosen.
在设计点附近选取合适的半基准圆锥激波角并考虑粘性影响时，可得到乘波体最大升阻比为3.36；
Duplicate the base layer again, drag it to the top and set it to LAYER MODE >> Soft Light 41%.
再次复制背景层，并将其拖到顶层，图层模式-柔光，不透明度41%。
This paper introduces the experimental results of influence of two kinds of tail shapes on drag reduction of base bleed and discusses briefly.
介绍了两类不同尾部外形对底排弹减阻性能影响的实验结果，并进行了简要讨论。
The experimental results of the effect of base bleed propellant composition on the aerodynamic performance of drag reduction and range increase of base bleed projectile.
介绍了底排药剂成份对底排弹减阻增程气动力性能影响的实验结果。
The experimental results of the effect of base bleed propellant composition on the aerodynamic performance of drag reduction and range increase of base bleed projectile.
介绍了底排药剂成份对底排弹减阻增程气动力性能影响的实验结果。
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