transonic speed

简明释义

跨音速

英英释义

例句

1.The aircraft reached transonic speed 跨音速 just before entering the supersonic zone.

这架飞机在进入超音速区域之前达到了跨音速。

2.Engineers are studying the effects of transonic speed 跨音速 on drag and lift.

工程师们正在研究跨音速对阻力和升力的影响。

3.At transonic speed 跨音速, shock waves begin to form around the aircraft.

在跨音速时，冲击波开始在飞机周围形成。

4.Pilots must be trained to handle the challenges of transonic speed 跨音速 flight.

飞行员必须接受培训，以应对跨音速飞行的挑战。

5.The design of the new jet is optimized for performance at transonic speed 跨音速.

新喷气机的设计经过优化，以在跨音速下获得最佳性能。

作文

Transonic speed refers to the range of speeds that are close to the speed of sound in a given medium, typically air. This range usually spans from Mach 0.8 to Mach 1.2, where Mach 1 is the speed of sound. Understanding the concept of transonic speed (跨音速) is crucial in various fields, particularly in aerodynamics and aerospace engineering. As aircraft approach transonic speed (跨音速), they encounter unique challenges due to changes in airflow and pressure around the aircraft. This phase of flight is characterized by complex aerodynamic phenomena, including shock waves, which can significantly affect performance and control.When an aircraft flies at transonic speed (跨音速), it experiences both subsonic and supersonic airflow over different parts of its structure. For instance, while the majority of the aircraft may be traveling slower than the speed of sound, certain areas like the wings or the nose may exceed this threshold. This creates a scenario where the aircraft must be designed to handle these varying conditions effectively. Engineers must consider factors such as drag, stability, and control surfaces when designing aircraft intended to operate within this speed range.One of the most critical aspects of transonic speed (跨音速) is the formation of shock waves. As the aircraft approaches the speed of sound, the air compresses in front of it, leading to an increase in pressure. This compression creates shock waves, which can lead to increased drag and potential loss of control if not properly managed. The design of modern aircraft often incorporates features such as swept wings and advanced materials to mitigate these effects and improve performance at transonic speed (跨音速).In addition to commercial aviation, transonic speed (跨音速) is also relevant in military applications. Fighter jets and other military aircraft often operate in this speed range to maximize their maneuverability and combat effectiveness. Understanding the dynamics of transonic speed (跨音速) allows military engineers to create aircraft that can perform well in various operational scenarios, including evasive maneuvers and high-speed interceptions.Moreover, the study of transonic speed (跨音速) is not limited to manned aircraft. Unmanned aerial vehicles (UAVs) and drones are increasingly being designed to operate efficiently at these speeds as well. As technology advances, the capabilities of these vehicles will continue to expand, allowing for more versatile applications in both civilian and military contexts.In conclusion, the understanding of transonic speed (跨音速) is essential for anyone involved in aviation and aerospace industries. It encompasses a range of complex aerodynamic principles that must be carefully considered during the design and operation of aircraft. Whether for commercial travel, military operations, or emerging technologies like drones, mastering the challenges associated with transonic speed (跨音速) will remain a vital aspect of aerospace engineering for years to come.