In theory, oblique elliptic wing with an elliptic load has the minimum wave drag due to lift and induced drag.

理論分析表明熟女污污色，具有橢圓載荷分布的斜置橢圓機(jī)翼有最小的升致波阻和誘導(dǎo)阻力亚洲v久久v日韩国产区。

By using the semi experiential engineering arithmetic based on the ideology of area ratio , the slope of lift coefficient curve, the zero lift drag coefficient and the induced drag factor of double delta wing aircraft were calculated.

采用基于面積比思想的半經(jīng)驗(yàn)工程算法計(jì)算了雙三角翼飛機(jī)的升力系數(shù)曲線斜率、零升阻力系數(shù)和誘導(dǎo)阻力因子你懂得小视频。

We call this form of drag induced drag because it is "induced" by the process of creating lift.

我們叫這種阻力叫誘導(dǎo)阻力是因?yàn)樗窃诋a(chǎn)生升力的過程中產(chǎn)生的欧美操逼逼性爱视频。

Wave drag is more complicated than induced drag and parasitic drag.

我的譯文：波阻要比誘導(dǎo)阻力和寄生阻力復(fù)雜得多。

This paper presents a mathematical model that employs momentum method to calculate the aerodynamic drag of the truck. This model achieves higher precision than previous methods without consideration of induced drag.

本文提出了動量法計(jì)算汽車氣動阻力的數(shù)學(xué)模型大黑欧美！黑黑，該模型克服了此前的方法中忽略誘導(dǎo)阻力的缺點(diǎn)一级α片在线播放，顯著的提高了計(jì)算精度久久特黄视频。

But for a small vehicle, the decrease in induced drag and increase in skin friction drag are more equal, so only marginal improvements in overall efficiency are possible.

但是對于小型飛行器，減少的誘導(dǎo)阻力和增加的表面摩擦阻力大致相等国产精品视频久久久，所以效率的提升并不顯著亚洲ⅴ国产v天堂a无码二区。

Induced drag occurs when the air flow separates from the surface of a wing, while friction drag is due to the friction between the air and bird moving through the air.

誘導(dǎo)拖動發(fā)生時(shí)，氣流分離、WWW4438，從表面的一翼性交小说在线观看，而摩擦拖曳是由于摩擦之間的空氣和鳥移動通過空氣。

The inviscid Euler drag solution is separated into an induced drag component and a wave drag component.

在采用歐拉方程進(jìn)行氣動力計(jì)算過程中免费看黄网站在线观看www，由表面壓力積分來估計(jì)的阻力只考慮了壓差阻力AA级黄色高潮喷液毛片，計(jì)算得到的無粘阻力分解成誘阻和波阻。

The other drag contributions are airfoil shape, wind induced drag, tail drag, fuselage and landing gear drag, interference drag, cooling drag and a few more.

其他拖曳的貢獻(xiàn)是翼型的形狀一级不卡毛片，風(fēng)致阻力香蕉网视频在线观看，尾巴拖曳，機(jī)身和起落架阻力极品粉嫩福利午夜在线播放，干擾阻力国产日韩视频一区，冷卻拖曳數(shù)更多。

A tail thus enables the bird to have wings that are optimized for cruising speed (with the tail furled to minimize drag) and, at low speeds, the spread tail reduces induced drag during manoeuvring and turning flight.

一條尾巴14女一级毛片A视频，從而使鳥類有翅膀是優(yōu)化的巡航速度（與尾巴furled 91国语自产精品，以減少阻力），并在低速欧美激情三区，傳播尾巴減少誘導(dǎo)阻力在操縱美女黄色性插插视频，把飛行。