According to the difficulties of designing and molding aerofoil blades, a application program which can be used to exactly draw profile curve of blade section is developed with VBA, which is based on the analysis of calculation method for designing and molding aerofoil blades and adopts OLE provided by CAD software SolidWorks.

在分析翼型葉片造型計(jì)算方法的基礎(chǔ)上99久久久久久久，針對(duì)翼型葉片造型的難點(diǎn)黑人与中国妞无码AV，利用三維 CAD 軟件 SolidWorks 提供的 OLE 應(yīng)用編程接口操操网，使用 VBA 開(kāi)發(fā)了準(zhǔn)確繪制葉片截面輪廓曲線的應(yīng)用程序在线A片一级永久免费观看，并給出了葉輪三維建模的方法和步驟。

The effects of magnitude and distribution of the electromagnetic force on the flow around the aerofoil were investigated. The results show that the electromagnetic force with large magnitude and concentrated distribution on the surface of aerofoil is advantageous to eliminate vortex structures and boundary separation, and therefore to increase the lift-drag ratio.

同時(shí)對(duì)不同電磁力大小和分布影響翼型表面邊界層流動(dòng)的規(guī)律進(jìn)行了探討国产精品裸体视频，其結(jié)果表明东京久久香蕉精品综合色，較大的電磁力和更加集中于翼型表面的電磁力分布可以很好地消除渦結(jié)構(gòu)，抑制邊界層分離進(jìn)而達(dá)到提高升阻比的效果163无码电影。

The aerodynamic characteristics of one FFA W aerofoil were calculated and the result indicated that this kind of aerofoil was proper to be chosen in the wind energy heat utilization system.

利用雷諾平均Navier Stokes方程在线观看AV国男女，采用標(biāo)準(zhǔn)k ε雙方程湍流模型，對(duì)具有代表性的FFA W系列翼型的氣動(dòng)性能進(jìn)行了模擬計(jì)算日本公共厕所www撒尿，結(jié)果表明該系列翼型適合于在風(fēng)能熱利用系統(tǒng)中應(yīng)用日韩欧美色色色。

A control surface on an airplane that combines the functions of an elevator and an aileron .

那只老鷹兩翼展開(kāi)時(shí)從一翼端至另一翼端長(zhǎng)6英尺。

To shift the lift from the main rotor in the helicopter model to the wing in the air plane model.

即從直升機(jī)模式由旋翼承擔(dān)升力過(guò)渡到固定翼飛機(jī)模式由機(jī)翼承擔(dān)升力黄色在线免费交配视频。

Most of the projects solve this problem by lift transfer, that is to shift the lift from the main rotor of the helicopter mode to the wing of the air plane mode.

各種方案中最有前途的應(yīng)當(dāng)是采用升力轉(zhuǎn)移來(lái)解決這一問(wèn)題，即從直升機(jī)模式由旋翼承擔(dān)升力過(guò)渡到固定翼飛機(jī)模式由機(jī)翼承擔(dān)升力爽爽爽无码a片在线观看。

There will be some compromising in the selection of the airfoil - but the airfoil is only one parameter.

會(huì)有一些妥協(xié)男人的视屏超碰在线，在遴選的翼型-但翼型只有一個(gè)參數(shù)。

This paper researches on the aerodynamic load simulation of one type of helicopter airscrew, and simulates how the aircrew act during flight to test the flight control system of the helicopter.

本文以某型號(hào)直升機(jī)旋翼氣動(dòng)載荷模擬為研究?jī)?nèi)容，對(duì)直升機(jī)飛行中旋翼受力情況進(jìn)行地面模擬日韩欧美女自拍图片大全集高清视频，以檢測(cè)飛機(jī)的飛行控制系統(tǒng)私库AV操一操人人操。

Based on a data collecting system of moving and static test-bed about helicopter airscrew,the paper designed principal axis low speed control system ,namely designed electric control system, speed measuring system of it and researched a debugging shceme about low speed control system.

本文以"直升機(jī)旋翼動(dòng)平衡試驗(yàn)臺(tái)數(shù)據(jù)采集工程"為背景，設(shè)計(jì)了"直升機(jī)旋翼動(dòng)平衡試驗(yàn)臺(tái)數(shù)據(jù)采集系統(tǒng)"工程中的主軸低速控制系統(tǒng)免费无码动漫AⅤ片在线观看，即對(duì)低速控制系統(tǒng)中的電控系統(tǒng)和測(cè)速系統(tǒng)進(jìn)行了設(shè)計(jì)欧美操逼视频看看，并結(jié)合實(shí)際工程給出了系統(tǒng)的調(diào)試方案和最后的實(shí)驗(yàn)結(jié)果。

It contains a hull with an engine equipped on its back. An airscrew inside ducted is set on the airscrew. An air rudder locates on the tail of the hull and an apron sets on its lower part. The balance wing with tip plates is equipped on the tail of the hull.

它包括船體5555在线免费观看555夜色或66，在船體的后部安裝有發(fā)動(dòng)機(jī)91视频91自拍本月收藏，發(fā)動(dòng)機(jī)的軸上安裝有螺旋槳，螺旋槳罩在涵道內(nèi)女人自慰喷潮高清AV毛片，船體的尾部設(shè)置有空氣方向舵女女激情性爱在线观看，船體的下部設(shè)置有圍裙，它還包括設(shè)置有船體尾部的平衡翼igao视频，平衡翼上設(shè)置有翼尖端板欧美激情文学。