Design and test for single stage transonic fan with high speed 、 high load

高速、高负荷 跨音速单级风扇设计与试验

In the flight of transonic speed equal amplitude vibration of a certain type of aircraft encountered during the type finalization test a study on the flutter analysis and vibration data measured in real flight test are performed .

针对某型机定型试飞中遇到的 跨音速等幅振动现象，对该机的颤振分析和试飞实测振动数据进行了研究。

The wave drag coefficient also increases with increasing upswept angle at transonic speed .

在 跨音速时，波阻系数也与上翘角有关，上翘角增加会导致波阻系数进一步加大。

Combining in a way that takes maximum advantage of both a detailed Subsonic or transonic flow solution for high speed blade curved passages and low-hub-tip ratio blades Can be obtained .

使程序适应了 大展弦比大弯曲度的长叶片的流场的预测计算，并且其求解范围也拓展到 跨音速流场，在一定程度上克服了两种求解方法的局限性。

The institutions pay much attention to it stemmed from the fact . Oblique wing aircraft can decrease high transonic and low supersonic flight drag and improves the aerodynamic efficiency in high speed flight .

因此斜置机翼飞机能够有效地减小飞机在高 跨音速和低超音速时的飞行阻力，提高飞机 超音速飞行的气动效率。

Air Force.The101 MW drive and135 hp synchronous motor at NASA 's National Transonic Facility in Virginia is the biggest and most powerful variable speed drive system in the world .

NASA位于维吉尼亚州的国家 跨音速实验室的101兆瓦驱动和135000马力同步电机是世界上最大和最强大的 变速驱动系统。

Analysis study on transonic speed equal amplitude vibration of a certain Type of aircraft

某型机 跨音速等幅振动研究

Unlike in subsonic and transonic speed regimes the interference resulting from the finite size of the test region is seldom present .

不像在亚、 跨音速区域，这里因试验段尺寸有限造成的干扰是难得存在的。

In transonic condition high efficiency at the same speed exists in a circumferential disturbance ;

同一 转速下， 跨音速 流动最高效率工况周向静压分布不均匀；

An Investigation of Airfoil Nonlinear Flutter Characterstics at Transonic Speed

跨音速翼型的非线性颤振特性研究