sonic velocity

简明释义

声速

英英释义

例句

1.At sonic velocity, shock waves are produced, causing a sonic boom.

在音速下，会产生冲击波，造成音爆。

2.The research focused on materials that can endure high temperatures at sonic velocity.

研究集中在能够承受高温的材料，这些材料在音速下使用。

3.Pilots must be trained to handle the dynamics of flight at sonic velocity.

飞行员必须接受训练，以应对在音速下飞行的动态。

4.The aircraft reached sonic velocity, which is the speed of sound, during its test flight.

在测试飞行中，飞机达到了音速。

5.Engineers designed the jet to withstand the stresses of flying at sonic velocity.

工程师设计了这架喷气机，以承受以音速飞行时的压力。

作文

The concept of sonic velocity refers to the speed at which sound waves travel through a medium. This speed is not constant; it varies depending on factors such as temperature, pressure, and the type of medium through which the sound is moving. In air at sea level and at a temperature of 20 degrees Celsius, the sonic velocity is approximately 343 meters per second. Understanding this phenomenon is crucial in various fields, including aviation, acoustics, and engineering.In aviation, the concept of sonic velocity plays a pivotal role in the design and operation of aircraft. When an aircraft approaches the speed of sonic velocity, it is said to be transonic. At this stage, the aircraft experiences significant changes in aerodynamic properties, which can lead to challenges such as shock waves and increased drag. Engineers must carefully consider these factors when designing supersonic jets that can exceed sonic velocity without compromising safety or performance.Moreover, the study of sonic velocity extends beyond aviation. In the field of acoustics, understanding how sound travels allows for better audio technology and soundproofing techniques. For example, musicians rely on the principles of sonic velocity to create harmonious sounds and optimize the acoustics of concert halls. By manipulating the environment to enhance or dampen sound waves, they can achieve a desired auditory experience for their audience.In engineering, the principles of sonic velocity are applied in various technologies, including ultrasonic cleaning devices and medical imaging equipment like ultrasound machines. These technologies utilize high-frequency sound waves that travel at speeds above sonic velocity to perform tasks that are critical in industrial and medical applications. For instance, ultrasonic cleaners use sonic velocity to generate cavitation bubbles in a liquid, which helps remove dirt and contaminants from surfaces.Furthermore, the implications of sonic velocity are seen in natural phenomena as well. For instance, when lightning strikes, the light from the flash reaches observers almost instantaneously, while the sound of thunder travels at sonic velocity, resulting in a delay. This delay can be used to estimate the distance of the lightning strike by counting the seconds between seeing the flash and hearing the thunder.In conclusion, the understanding of sonic velocity is essential across multiple disciplines. From aviation to acoustics and engineering, the ability to comprehend how sound travels and behaves at different speeds has profound implications. As technology continues to advance, the relevance of sonic velocity will only grow, leading to new innovations and applications that harness the power of sound. Therefore, both students and professionals in related fields must prioritize mastering the concept of sonic velocity to thrive in their respective areas of expertise.

“声速”这一概念是指声波在介质中传播的速度。这个速度并不是恒定的；它会因温度、压力以及声波传播介质的类型而有所不同。在海平面和20摄氏度的空气中，声速约为343米每秒。理解这一现象在航空、声学和工程等多个领域至关重要。在航空领域，“声速”这一概念在飞机的设计和操作中起着关键作用。当飞机接近声速时，称为跨音速。在这个阶段，飞机的空气动力学特性会发生显著变化，这可能导致冲击波和增加阻力等挑战。工程师在设计超音速喷气机时，必须仔细考虑这些因素，以确保在不妨碍安全或性能的情况下超越声速。此外，声速的研究不仅限于航空。在声学领域，了解声音传播的方式有助于改进音频技术和隔音技术。例如，音乐家依靠声速的原理来创造和谐的声音，并优化音乐厅的声学效果。通过操控环境以增强或削弱声波，他们能够为观众创造理想的听觉体验。在工程领域，声速的原理被应用于各种技术中，包括超声波清洗设备和医学成像设备如超声波机。这些技术利用超过声速的高频声波执行在工业和医疗应用中至关重要的任务。例如，超声波清洗器利用声速产生液体中的气泡，从而帮助去除表面的污垢和污染物。此外，声速的影响也可以在自然现象中看到。例如，当闪电击中时，闪光的光线几乎瞬间到达观察者，而雷声则以声速传播，导致延迟。这个延迟可以用来估计闪电击中的距离，方法是计算从看到闪光到听到雷声之间的秒数。总之，理解声速在多个学科中都是至关重要的。从航空到声学和工程，理解声音如何传播及其在不同速度下的行为具有深远的意义。随着科技的不断进步，声速的相关性只会增加，催生出新的创新和应用，利用声音的力量。因此，相关领域的学生和专业人员必须优先掌握声速的概念，以便在各自的专业领域中蓬勃发展。