sound speed

简明释义

声速

英英释义

例句

1.The sound speed changes with temperature and pressure, which is crucial for underwater acoustics.

随着温度和压力的变化，声速也会变化，这对水下声学至关重要。

2.The sound speed in air is approximately 343 meters per second at room temperature.

在室温下，空气中的声速大约为每秒343米。

3.Submarines rely on the sound speed in water to navigate and communicate.

潜艇依赖水中的声速进行导航和通信。

4.When calculating the distance of a thunderstorm, you can use the sound speed to estimate how far away it is.

在计算雷暴的距离时，可以使用声速来估算它离我们有多远。

5.In aviation, pilots must be aware of the sound speed to avoid breaking the sound barrier.

在航空中，飞行员必须了解声速以避免突破音障。

作文

Sound is a mechanical wave that propagates through different mediums, such as air, water, and solid materials. One of the most important characteristics of sound is its speed, commonly referred to as sound speed. The sound speed is defined as the distance traveled by sound in a given amount of time. In air at room temperature, the sound speed is approximately 343 meters per second. However, this value can vary depending on several factors, such as temperature, humidity, and the medium through which the sound is traveling.Understanding sound speed is crucial in various fields, including acoustics, engineering, and meteorology. For instance, in acoustics, the sound speed determines how sound waves behave in different environments. This knowledge allows engineers to design better soundproofing materials and optimize audio systems for various settings, from concert halls to recording studios.In engineering, knowing the sound speed is essential when dealing with structures that may be subjected to sonic waves, such as bridges or buildings. Engineers must consider the sound speed to ensure that these structures can withstand potential vibrations and stresses caused by sound waves, particularly in areas prone to earthquakes or heavy traffic.Meteorologists also rely on the concept of sound speed when studying weather phenomena. For example, the speed of thunder can be calculated using the sound speed, helping people estimate how far away a storm is. Since light travels faster than sound, one can observe lightning and then count the seconds until hearing the thunder. By multiplying the number of seconds by the sound speed, one can determine the distance to the storm.Moreover, the sound speed changes with altitude in the atmosphere. As one ascends, the air pressure and temperature decrease, which affects the sound speed. This phenomenon is particularly relevant in aviation, where pilots must account for changes in sound speed at different flight levels. Understanding these variations helps in navigation and communication between aircraft and air traffic control.In water, the sound speed is significantly higher than in air, approximately 1,480 meters per second in seawater. This difference is crucial for underwater communication and sonar technology. Submarines and marine researchers utilize the sound speed to detect objects and communicate over long distances underwater, where radio waves cannot penetrate effectively.In conclusion, the concept of sound speed plays a vital role in our understanding of sound and its applications across various disciplines. Whether it is for designing better acoustic environments, ensuring structural integrity, predicting weather patterns, or enhancing underwater communication, the sound speed remains a fundamental aspect of physics that continues to influence our lives in numerous ways. By grasping the significance of sound speed, we can appreciate the complexities of sound and its interactions with the world around us.

声音是一种机械波，它通过不同的介质传播，例如空气、水和固体材料。声音的一个重要特性是它的速度，通常称为声速。声速被定义为声音在给定时间内传播的距离。在室温下，空气中的声速大约为343米每秒。然而，这个值会因多种因素而变化，如温度、湿度以及声音传播的介质。理解声速在声学、工程学和气象学等多个领域至关重要。例如，在声学中，声速决定了声音波在不同环境中的行为。这一知识使工程师能够设计出更好的隔音材料，并优化各种场所的音响系统，从音乐厅到录音棚。在工程学中，了解声速对于处理可能受声波影响的结构（如桥梁或建筑物）至关重要。工程师必须考虑声速，以确保这些结构能够承受声波可能造成的振动和压力，特别是在地震或重型交通频繁的地区。气象学家在研究气象现象时也依赖于声速的概念。例如，雷声的速度可以利用声速进行计算，帮助人们估算暴风雨的距离。由于光速快于声速，人们可以观察闪电，然后数秒钟直到听到雷声。通过将秒数乘以声速，可以确定距离暴风雨的远近。此外，声速在大气中的高度变化。当人们上升时，气压和温度下降，这会影响声速。这一现象在航空中尤为相关，飞行员必须考虑在不同飞行高度下声速的变化。理解这些变化有助于导航和飞行器与空中交通控制之间的通信。在水中，声速显著高于空气，在海水中约为1480米每秒。这一差异对于水下通信和声纳技术至关重要。潜艇和海洋研究人员利用声速来探测物体并在水下进行长距离通信，因为无线电波无法有效穿透水下环境。总之，声速的概念在我们理解声音及其在各学科中的应用中发挥着至关重要的作用。无论是为了设计更好的声学环境、确保结构完整性、预测天气模式，还是增强水下通信，声速始终是物理学的一个基本方面，继续以多种方式影响我们的生活。通过掌握声速的重要性，我们可以欣赏声音的复杂性及其与我们周围世界的相互作用。