transonic flow

简明释义

跨音速流

英英释义

例句

1.The aircraft experienced transonic flow 跨声速流动 during its takeoff, which led to increased drag.

飞机在起飞时经历了跨声速流动 transonic flow，这导致了阻力增加。

2.The study of transonic flow 跨声速流动 is crucial for improving the performance of supersonic vehicles.

研究跨声速流动 transonic flow对于提高超音速车辆的性能至关重要。

3.Wind tunnel tests revealed that transonic flow 跨声速流动 can cause shock waves on the surface of the model.

风洞测试显示，跨声速流动 transonic flow可能在模型表面引起冲击波。

4.Understanding transonic flow 跨声速流动 helps in predicting how aircraft will behave at high speeds.

理解跨声速流动 transonic flow有助于预测飞机在高速下的表现。

5.Engineers must consider transonic flow 跨声速流动 when designing the wings of a new jet.

工程师在设计新喷气机的机翼时必须考虑跨声速流动 transonic flow。

作文

Transonic flow is a critical concept in the field of fluid dynamics, particularly when studying the behavior of air and other gases as they move at speeds close to the speed of sound. This phenomenon occurs when an object travels at a speed that is approximately equal to the speed of sound in the surrounding medium, which is typically around 343 meters per second in air at sea level. The term 'transonic' refers to the range of speeds from about Mach 0.8 to Mach 1.2. Understanding transonic flow (跨音速流动) is essential for engineers and scientists, especially those involved in aerospace design and analysis.When an aircraft approaches transonic speeds, the airflow around it begins to change dramatically. At subsonic speeds, the airflow remains smooth and attached to the surface of the aircraft. However, as the speed increases and reaches transonic levels, shock waves can begin to form. These shock waves are areas of sudden pressure changes and can lead to increased drag and turbulence, which can adversely affect the performance and stability of the aircraft. One of the key challenges in dealing with transonic flow (跨音速流动) is the transition from subsonic to supersonic speeds. As an aircraft moves through the transonic regime, it experiences a complex interplay of aerodynamic forces. Engineers must carefully design wings and fuselage shapes to manage these forces effectively. For example, the use of swept-back wings can help delay the onset of shock waves and allow for smoother transitions through the transonic range.In addition to aircraft design, transonic flow (跨音速流动) also has implications for various other fields, including automotive engineering and the design of high-speed trains. Vehicles that operate at high speeds must contend with similar aerodynamic challenges, and understanding how to optimize their shapes for efficient performance is crucial. Research into transonic flow (跨音速流动) has led to the development of sophisticated computational fluid dynamics (CFD) tools that allow engineers to simulate and analyze airflow patterns around objects. These simulations can predict how changes in design will affect performance, helping engineers to create more efficient and effective vehicles.Moreover, transonic flow (跨音速流动) is not limited to man-made objects. Natural phenomena, such as the flight of birds or the movement of certain marine animals, also involve transonic dynamics. Studying these natural systems can provide valuable insights into optimizing human-made designs.In conclusion, transonic flow (跨音速流动) represents a fascinating area of study within fluid dynamics that has significant implications for modern engineering. As technology advances and the demand for faster transportation grows, understanding and mastering the principles of transonic flow (跨音速流动) will be increasingly important. By continuing to explore this complex phenomenon, we can improve the efficiency and performance of various vehicles, ultimately contributing to safer and more sustainable modes of transportation.