mach cone

简明释义

马赫锥

英英释义

例句

1.The shape of the mach cone can vary depending on the speed of the object.

马赫锥的形状可以根据物体的速度而变化。

2.The mach cone is an essential concept in aerodynamics.

马赫锥是空气动力学中的一个重要概念。

3.The aircraft created a visible mach cone as it broke the sound barrier.

当飞机突破音障时，产生了一个可见的马赫锥。

4.When an object travels faster than sound, it generates a mach cone behind it.

当物体速度超过声速时，会在其后方产生一个马赫锥。

5.Pilots must be aware of the mach cone when flying at supersonic speeds.

飞行员在超音速飞行时必须注意马赫锥。

作文

The concept of the mach cone is crucial in understanding supersonic flight and the behavior of objects moving faster than the speed of sound. When an object travels through a medium, such as air, it creates pressure waves that propagate outward in all directions. However, when that object exceeds the speed of sound, these pressure waves can no longer keep up with it. This phenomenon results in the formation of a mach cone, which is essentially a conical shape that represents the area where the pressure waves are compressed together. The angle of this cone depends on the speed of the object relative to the speed of sound in the medium it is traveling through.To visualize the mach cone, imagine a jet aircraft flying at supersonic speeds. As it moves through the air, it generates a series of shock waves that form the cone behind it. The apex of the cone is at the nose of the aircraft, and the base extends outward in the direction of travel. This cone is not just a theoretical concept; it has real-world implications, especially in aerospace engineering and aviation.One of the most significant effects of the mach cone is the sonic boom, which occurs when the pressure waves coalesce and reach the ground. The sonic boom is a loud noise that can be startling to those who hear it, and it is often associated with military jets or spacecraft re-entering the Earth's atmosphere. Understanding the mach cone helps engineers design aircraft and spacecraft that can minimize the impact of sonic booms, making supersonic travel more acceptable in populated areas.Furthermore, the mach cone is not limited to just aircraft; it also applies to any object moving through a fluid medium at supersonic speeds. For instance, bullets fired from a gun create their own mach cone as they travel through the air. This understanding is essential for various fields, including ballistics and hydrodynamics.In summary, the mach cone is a fundamental concept that illustrates the behavior of objects moving faster than sound. It encompasses the formation of shock waves and the resultant sonic boom, which have significant implications for aviation and other fields involving high-speed motion. By grasping the mechanics of the mach cone, scientists and engineers can continue to innovate and improve technologies related to supersonic travel, ultimately leading to safer and more efficient modes of transportation. As we advance in our understanding of aerodynamics and fluid dynamics, the mach cone will remain a key area of study, influencing the future of flight and beyond.

‘mach cone’（马赫锥）的概念在理解超音速飞行和物体超越声速的行为中至关重要。当一个物体穿过介质（例如空气）时，它会产生向外传播的压力波。然而，当该物体超过声速时，这些压力波就无法跟上它。这种现象导致了一个‘mach cone’（马赫锥）的形成，基本上是一个表示压力波被压缩在一起的区域的锥形。这个锥的角度取决于物体相对于其所处介质中的声速的速度。为了可视化‘mach cone’（马赫锥），可以想象一架以超音速飞行的喷气飞机。当它穿过空气时，会产生一系列形成在其后面的冲击波。锥的顶点位于飞机的机头，底部在运动方向上向外延伸。这个锥不仅仅是一个理论概念；它在航空航天工程和航空领域具有现实世界的影响。‘mach cone’（马赫锥）最显著的影响之一是音爆，当压力波聚集并到达地面时，就会发生音爆。音爆是一种响亮的噪音，听到的人可能会感到惊吓，通常与军用喷气机或重新进入地球大气层的航天器有关。理解‘mach cone’（马赫锥）有助于工程师设计能够最小化音爆影响的飞机和航天器，使超音速旅行在居民区更为可接受。此外，‘mach cone’（马赫锥）不仅限于飞机；它同样适用于任何以超音速在流体介质中移动的物体。例如，从枪中发射的子弹在空气中旅行时也会形成自己的‘mach cone’（马赫锥）。这种理解对包括弹道学和水动力学在内的各个领域至关重要。总之，‘mach cone’（马赫锥）是一个基本概念，展示了以超音速运动的物体的行为。它涵盖了冲击波的形成和随之而来的音爆，这对航空和其他涉及高速运动的领域具有重要影响。通过掌握‘mach cone’（马赫锥）的机制，科学家和工程师可以继续创新和改善与超音速旅行相关的技术，最终导致更安全、更高效的交通方式。随着我们在空气动力学和流体动力学方面的理解不断深入，‘mach cone’（马赫锥）将仍然是一个关键研究领域，影响着未来的飞行及其他领域。