Mach wave

简明释义

马赫波

英英释义

A Mach wave is a type of shock wave that occurs when an object travels through a fluid at a speed greater than the speed of sound in that fluid.

马赫波是一种冲击波,发生在物体以超过该流体中声速的速度穿过流体时。

例句

1.The fighter jet created a powerful Mach wave when it broke the sound barrier.

当战斗机突破音障时,产生了强大的马赫波

2.As the rocket ascended, it generated a Mach wave that could be detected miles away.

随着火箭的升空,它产生的马赫波可以在数英里外被探测到。

3.Researchers studied the effects of a Mach wave on surrounding air pressure.

研究人员研究了马赫波对周围气压的影响。

4.The sound of the Mach wave was deafening as the plane flew overhead.

当飞机飞过头顶时,马赫波的声音震耳欲聋。

5.Pilots are trained to handle the effects of a Mach wave during high-speed maneuvers.

飞行员接受训练,以应对高速机动时马赫波的影响。

作文

The concept of a Mach wave is fundamental in the study of aerodynamics and supersonic flight. When an object moves through a fluid, such as air, it creates pressure waves that propagate outward from the object. These waves are similar to the ripples formed when a stone is thrown into a pond. However, when the object exceeds the speed of sound, which is approximately 343 meters per second in air at sea level, it generates a unique phenomenon known as a Mach wave (马赫波). This occurs because the object is moving faster than the waves it produces, leading to a compression of the wavefronts and the formation of a shock wave.The term 'Mach' originates from the name of the Austrian physicist Ernst Mach, who studied the behavior of objects moving at high speeds. The Mach wave (马赫波) represents a specific type of shock wave that is produced when an aircraft or any other object travels at a speed greater than the speed of sound. As the object moves through the air, it compresses the air in front of it, creating a series of waves that form a cone-shaped pattern known as the Mach cone. The angle of this cone depends on the speed of the object relative to the speed of sound.Understanding Mach waves (马赫波) is crucial for engineers and designers of supersonic aircraft. When an aircraft approaches the speed of sound, it experiences increased drag and changes in aerodynamic forces. The formation of Mach waves (马赫波) can lead to phenomena such as sonic booms, which occur when the shock waves created by the aircraft reach the ground, producing a loud noise that can be heard over large distances. This has significant implications for the design of commercial supersonic flights, as regulations often restrict flying at supersonic speeds over land due to the disruptive nature of sonic booms.In addition to aviation, the principles governing Mach waves (马赫波) also apply to other fields, including rocket propulsion and high-speed trains. For instance, when rockets ascend through the atmosphere, they encounter varying pressure conditions, and understanding how Mach waves (马赫波) behave helps engineers optimize performance and safety. Similarly, in the realm of rail transport, maglev trains can reach speeds that approach the speed of sound, necessitating a thorough understanding of Mach waves (马赫波) to ensure passenger comfort and structural integrity.Moreover, the study of Mach waves (马赫波) extends beyond practical applications; it also enriches our understanding of physics and fluid dynamics. Researchers continue to explore the characteristics of these waves, including their interaction with different materials and environments. This research not only enhances technological advancements but also contributes to theoretical knowledge in the field of physics.In conclusion, Mach waves (马赫波) are a fascinating aspect of fluid dynamics that play a critical role in the development of high-speed transportation systems. From the design of supersonic aircraft to the optimization of rocket launches, understanding Mach waves (马赫波) is essential for engineers and scientists alike. As technology continues to advance, the principles behind Mach waves (马赫波) will undoubtedly remain relevant, paving the way for future innovations in aerospace and beyond.

“马赫波”的概念在空气动力学和超音速飞行的研究中是基础性的。当一个物体在流体(如空气)中移动时,它会产生向外传播的压力波。这些波与石头投掷到池塘时形成的涟漪相似。然而,当物体超过音速(在海平面上大约为每秒343米)时,会产生一种独特的现象,称为“马赫波”。这是因为物体的速度超过了它产生的波,从而导致波前的压缩和冲击波的形成。“马赫”这个术语源自奥地利物理学家恩斯特·马赫的名字,他研究了高速运动物体的行为。“马赫波”代表了一种特定类型的冲击波,当飞机或其他物体以超过音速的速度飞行时产生。随着物体在空气中移动,它压缩了前方的空气,形成一系列波,形成一种称为马赫锥的锥形图案。这个锥的角度取决于物体相对于音速的速度。理解“马赫波”对超音速飞机的工程师和设计师至关重要。当飞机接近音速时,它会经历增加的阻力和气动力的变化。“马赫波”的形成可能导致声爆现象,当飞机产生的冲击波到达地面时,会产生一种可以在大范围内听到的响声。这对商业超音速航班的设计有重大影响,因为法规通常限制超音速飞行在陆地上进行,因为声爆的干扰性质。除了航空领域,支配“马赫波”的原则也适用于其他领域,包括火箭推进和高速列车。例如,当火箭升空穿过大气层时,它们会遇到不同的压力条件,理解“马赫波”的行为可以帮助工程师优化性能和安全性。同样,在轨道交通领域,磁悬浮列车可以达到接近音速的速度,因此需要深入了解“马赫波”,以确保乘客舒适和结构完整。此外,“马赫波”的研究不仅限于实际应用;它还丰富了我们对物理学和流体动力学的理解。研究人员继续探索这些波的特性,包括它们与不同材料和环境的相互作用。这项研究不仅促进了技术进步,还为物理学领域的理论知识做出了贡献。总之,“马赫波”是流体动力学中的一个迷人方面,在高速运输系统的发展中发挥着关键作用。从超音速飞机的设计到火箭发射的优化,理解“马赫波”对工程师和科学家来说都是必不可少的。随着技术的不断进步,“马赫波”的原理无疑将保持相关性,为航空航天及其他领域的未来创新铺平道路。