The effects of thrust vectoring angle and angular velocity of vectoring on turbofan engine operation were investigated.

研究了矢量噴管偏轉(zhuǎn)角和偏轉(zhuǎn)角速度對(duì)渦扇發(fā)動(dòng)機(jī)工作的影響中文字幕日韩精品欧美一区口。

The theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated.

利用該程序計(jì)算了某矢量噴管在不同的壓比、面積比和幾何偏轉(zhuǎn)角下的200多種三維有粘流場(chǎng)一级片毛片黄片，獲得了矢量噴管的性能數(shù)據(jù)A片毛在线视频欧美。

We have a potential bogey with erratic vectoring...

我們發(fā)現(xiàn)有潛在的可怕物體向著我們飛來。

In topographic map, especially for city area, most of features are central symmetry and axial symmetry. By means of extracting features with symmetric figure first and then vectoring them according to their geometric characteristic, accuracy and efficiency can be increased and data sizes can be reduced.

在地形圖中日韩国产播放不卡，軸對(duì)稱和中心對(duì)稱的要素占據(jù)著相當(dāng)大的比例久操精品在线，特別是城市地形圖中，房屋建筑等具有對(duì)稱形狀的要素占據(jù)了地形圖中要素的絕大部分狼色精品中文字幕在线视频，在掃描圖中首先對(duì)這些要素進(jìn)行提取日韩午夜精品福利久久，進(jìn)而根據(jù)特定要素的幾何特征矢量化，可顯著地提高矢量化精度和效率欧美精品一区二区福利视频一区，減少數(shù)據(jù)的儲(chǔ)存量性欧美69式XXXXX。

In order to achieve a tradeoff between vectoring and unvectoring state, the proposed parameters of DTN are: Z=3~4, secondary injection flux is about 3%, cavity divergence angle is about 10°, cavity convergence angle is 20°~30°, injection angle of secondary is about 30° by counterflow injection.

為了實(shí)現(xiàn)DTN在推力矢量和非推力矢量下都有較好的內(nèi)流綜合性能，所建議的設(shè)計(jì)參數(shù)為：落壓比為3~4国产色在线观看手机在线观看，引射量為3%AV永久无码天堂网毛片，凹腔擴(kuò)張角為10°左右，收斂角在20°~30°国产99，引射角度為30°逆流引射角(β=30°)黄色视频A级毛片。

Lastly, the results of unsteady flow point out, counterflow thrust vectoring nozzle is a efficiency fluidic vectoring nozzle.

最后，非定常流的結(jié)果進(jìn)一步表明久久精品久久精品国产大片，逆流噴管是一種較高效率的射流式矢量噴管在线观看国产综合日韩视频。

Internal performance of unsteady flow of counterflow thrust vectoring nozzle has researched base on numerical simulation.

基于數(shù)值模擬方法，研究了逆流矢量噴管非定常內(nèi)流性能一区二区色。

This paper analyzes the different deflexion angle of thrust vectoring influence on aircraft take-off performance according to the result of numerical simulation.

通過數(shù)值仿真探討了推力矢量的偏轉(zhuǎn)大小對(duì)起飛性能的影響偷拍精品日韩视频，對(duì)不同推力矢量偏轉(zhuǎn)下飛機(jī)起飛性能的仿真計(jì)算結(jié)果進(jìn)行了分析。

Compared with conventional mechanical thrust-vectoring, the fluidic thrust-vectoring has some superiority respect to stealth and weight characteristics.

與傳統(tǒng)的機(jī)械推力矢量相比av毛片在线看，采用射流推力矢量的飛機(jī)具有更優(yōu)的隱身性和機(jī)動(dòng)性毛片免费地址。

Among them the thrust vectoring nozzle is the kernel of thrust vectoring technology.

矢量噴管是推力矢量技術(shù)的核心，矢量噴管技術(shù)已經(jīng)成為現(xiàn)代航空界的研究熱點(diǎn)青青女在线被干视频。