Mach angle

简明释义

马赫角

英英释义

例句

1.Understanding the Mach angle 马赫角 is crucial for designing efficient aircraft.

理解Mach angle 马赫角对于设计高效的飞机至关重要。

2.Engineers used computational fluid dynamics to analyze the Mach angle 马赫角 around the new jet design.

工程师们使用计算流体动力学分析新喷气机设计周围的Mach angle 马赫角。

3.The shockwave forms at the Mach angle 马赫角 when an object exceeds the speed of sound.

当物体超过音速时，冲击波在Mach angle 马赫角处形成。

4.At speeds approaching Mach 1, the Mach angle 马赫角 becomes increasingly acute.

在接近马赫1的速度下，Mach angle 马赫角变得越来越尖锐。

5.The pilot adjusted the flight path to maintain the correct Mach angle 马赫角 during supersonic travel.

飞行员调整了航线，以在超音速飞行中保持正确的Mach angle 马赫角。

作文

The concept of the Mach angle is essential in the field of aerodynamics and supersonic flight. When an object travels through a fluid, such as air, at a speed greater than the speed of sound, it creates a series of shock waves. The Mach angle is the angle formed between the direction of the oncoming airflow and the shock wave produced by the object. This angle is crucial for understanding how shock waves behave and how they affect the performance of aircraft and other vehicles traveling at high speeds. To better understand the Mach angle, we need to consider the properties of sound and how it propagates through different mediums. Sound travels at a specific speed, which is approximately 343 meters per second in air at sea level and at a temperature of 20 degrees Celsius. As an object approaches this speed, it compresses the air in front of it, leading to the formation of shock waves. The faster the object moves, the more pronounced these shock waves become, eventually leading to a phenomenon known as 'breaking the sound barrier.' The Mach angle can be calculated using the formula: sin(θ) = 1/M, where θ is the Mach angle and M is the Mach number, which is the ratio of the speed of the object to the speed of sound. For example, if an aircraft is flying at a Mach number of 2, the Mach angle would be approximately 30 degrees. This means that the shock waves generated by the aircraft will form an angle of 30 degrees with respect to the direction of the airflow. The significance of the Mach angle extends beyond theoretical calculations; it has practical implications in the design and operation of supersonic aircraft. Engineers must take the Mach angle into account when designing wings and fuselages to ensure that the aircraft can handle the stresses caused by shock waves. Additionally, understanding the Mach angle helps in predicting the behavior of the aircraft during various phases of flight, particularly during takeoff and landing. Moreover, the Mach angle also plays a role in the development of missiles and rockets. These vehicles often travel at supersonic or hypersonic speeds, and the design must accommodate the shock waves created at such velocities. By analyzing the Mach angle, engineers can optimize the shape of the missile or rocket to minimize drag and improve stability. In conclusion, the Mach angle is a fundamental concept in the study of aerodynamics, particularly in relation to supersonic flight. It helps us understand the behavior of shock waves and their impact on high-speed vehicles. As technology continues to advance, the importance of the Mach angle will only grow, influencing the future of aviation and aerospace engineering. By mastering this concept, students and professionals alike can gain valuable insights into the complexities of flight dynamics and the challenges faced in the pursuit of faster and more efficient transportation methods.

‘马赫角’是空气动力学和超音速飞行领域中的一个重要概念。当一个物体以超过声速的速度穿越流体（如空气）时，它会产生一系列冲击波。‘马赫角’是指来流方向与物体产生的冲击波之间形成的角度。这个角度对于理解冲击波的行为及其对高速飞行器性能的影响至关重要。为了更好地理解‘马赫角’，我们需要考虑声音的特性以及它如何在不同介质中传播。声音以特定速度传播，在海平面和20摄氏度的空气中，声音的速度大约为每秒343米。当一个物体接近这个速度时，它会压缩前方的空气，从而导致冲击波的形成。物体移动得越快，这些冲击波就越明显，最终导致一种称为“打破音障”的现象。‘马赫角’可以通过公式计算：sin(θ) = 1/M，其中θ是‘马赫角’，M是马赫数，即物体速度与声速的比率。例如，如果一架飞机以马赫数2飞行，则‘马赫角’大约为30度。这意味着飞机产生的冲击波将与气流方向形成30度的角度。‘马赫角’的重要性不仅限于理论计算；它在超音速飞机的设计和操作中具有实际意义。工程师在设计机翼和机身时必须考虑‘马赫角’，以确保飞机能够承受冲击波带来的压力。此外，理解‘马赫角’有助于预测飞机在不同飞行阶段的行为，特别是在起飞和着陆期间。此外，‘马赫角’在导弹和火箭的发展中也发挥着作用。这些飞行器通常以超音速或高超音速飞行，设计必须适应在此类速度下产生的冲击波。通过分析‘马赫角’，工程师可以优化导弹或火箭的形状，以最小化阻力并提高稳定性。总之，‘马赫角’是研究空气动力学，特别是与超音速飞行相关的基本概念。它帮助我们理解冲击波的行为及其对高速飞行器的影响。随着技术的不断进步，‘马赫角’的重要性只会增加，影响航空和航天工程的未来。通过掌握这一概念，学生和专业人士都可以深入了解飞行动力学的复杂性以及在追求更快、更高效的运输方式中所面临的挑战。