acoustic velocity

简明释义

声速

英英释义

例句

1.In a vacuum, there is no medium for sound to travel, thus acoustic velocity 声速 is effectively zero.

在真空中，没有介质供声音传播，因此acoustic velocity 声速实际上为零。

2.The acoustic velocity 声速 in steel is significantly higher than that in rubber.

钢材中的acoustic velocity 声速显著高于橡胶中的声速。

3.The speed of sound in air, known as acoustic velocity 声速, is approximately 343 meters per second at room temperature.

空气中的声音速度，称为acoustic velocity 声速，在室温下约为343米每秒。

4.In underwater acoustics, acoustic velocity 声速 varies with temperature, salinity, and pressure.

在水下声学中，acoustic velocity 声速会随温度、盐度和压力的变化而变化。

5.Measuring the acoustic velocity 声速 can help determine the properties of materials in non-destructive testing.

测量acoustic velocity 声速可以帮助确定无损检测中材料的特性。

作文

The concept of acoustic velocity is fundamental in the study of sound waves and their propagation through various mediums. In simple terms, acoustic velocity refers to the speed at which sound travels through a substance. This speed can vary significantly depending on the medium—whether it is air, water, or solid materials. Understanding acoustic velocity is crucial for various applications, including engineering, music, and environmental science.In air, the acoustic velocity is approximately 343 meters per second at room temperature. This speed can change with temperature, humidity, and pressure. For instance, as the temperature increases, the acoustic velocity in air also increases. This phenomenon occurs because warmer air has more energy, allowing sound waves to travel faster. Conversely, in colder conditions, the acoustic velocity decreases, leading to slower sound transmission.In water, the acoustic velocity is significantly higher, around 1482 meters per second at 25 degrees Celsius. The density and elasticity of water contribute to this increased speed. Sound travels faster in liquids than in gases due to the closer proximity of molecules, which facilitates quicker energy transfer. This property is particularly important in underwater acoustics, where the acoustic velocity affects sonar technology and marine communication.When it comes to solids, the acoustic velocity can be even greater. For example, in steel, the acoustic velocity can reach approximately 5960 meters per second. The rigidity and density of solids allow sound waves to move rapidly, making them ideal for applications such as construction and materials testing. Engineers often rely on the principles of acoustic velocity to assess the integrity of structures and to ensure safety standards are met.Furthermore, understanding acoustic velocity is essential in the field of music. Musicians must consider the acoustic velocity of sound when tuning their instruments and performing. For example, the pitch of a note is influenced by the acoustic velocity in the air, which varies with environmental conditions. Additionally, sound engineers utilize knowledge of acoustic velocity to optimize sound quality in recordings and live performances, ensuring that sound waves reach the audience in a clear and harmonious manner.In environmental science, the concept of acoustic velocity is applied in studying animal communication, particularly in marine species. Many aquatic animals rely on sound for navigation, hunting, and mating. By understanding how acoustic velocity changes in different water conditions, scientists can gain insights into the behaviors and habitats of these creatures.In conclusion, the study of acoustic velocity is vital across multiple disciplines. From engineering to music and environmental science, the speed at which sound travels through various materials influences our understanding and interaction with the world around us. As technology advances, the applications of acoustic velocity will continue to expand, highlighting its importance in both scientific research and practical applications.

“声速”这一概念在声波及其通过各种介质传播的研究中是基础性的。简单来说，声速指的是声音在物质中传播的速度。这个速度会因介质的不同而显著变化——无论是空气、水还是固体材料。理解声速对各种应用至关重要，包括工程、音乐和环境科学。在空气中，声速在室温下约为每秒343米。这个速度会随着温度、湿度和压力的变化而变化。例如，随着温度的升高，空气中的声速也会增加。这一现象发生的原因是，温暖的空气具有更多的能量，使声波能够更快地传播。相反，在较冷的条件下，声速会降低，导致声音传播变慢。在水中，声速显著更高，约为每秒1482米，温度为25摄氏度。水的密度和弹性促成了这种速度的增加。声音在液体中的传播速度比在气体中快，因为分子之间的距离更近，这有助于能量的快速转移。这一特性在水下声学中尤为重要，声速影响声纳技术和海洋通信。当涉及到固体时，声速甚至可以更高。例如，在钢铁中，声速可以达到每秒5960米。固体的刚性和密度使声波迅速移动，使其在建筑和材料测试等应用中理想。工程师常常依赖声速原理来评估结构的完整性，并确保满足安全标准。此外，理解声速在音乐领域也至关重要。音乐家在调音和演出时必须考虑声速。例如，音符的音调受到空气中声速的影响，而声速又会随环境条件的变化而变化。此外，声音工程师利用声速的知识来优化录音和现场表演中的声音质量，确保声波清晰和谐地传达到观众耳中。在环境科学中，声速的概念被应用于研究动物的交流，尤其是海洋物种。许多水生动物依靠声音进行导航、捕猎和交配。通过理解声速在不同水域条件下的变化，科学家可以深入了解这些生物的行为和栖息地。总之，声速的研究在多个学科中至关重要。从工程到音乐再到环境科学，声音在各种材料中传播的速度影响着我们对周围世界的理解和互动。随着科技的进步，声速的应用将继续扩展，突显其在科学研究和实际应用中的重要性。